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Physics

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Physics is involved in studying energy, force, mass, and matter, in short, how the universe behaves. Physics is closely associated with mathematics and philosophy. Post your physics technology for sale or license here.


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Differential Fiber Optical Sensor with Interference Energy Analyzer

A fiber optic sensor, which includes an interference energy analyzer, is used to measure strain and temperature distribution along a test fiber. The sensor includes the following: a plurality of doubl..

Fiber Optic Sensor with Transmission/Reflection Analyzer

Fiber optic sensor with transmission/reflection analyzer for detection and localization of a perturbation that generates additional losses in the test fiber. The sensor includes a test fiber having a ..

Fiber-optic Sensing System for Distributed Detection and Localization of Alarm Conditions

An optical fiber sensor system comprising of an optical fiber including plurality of sensitive elements, each sensitive element has characteristic spectral band which in normal undisturbed condition l..

DETECTION OF POLYMERIC ANALYTES

The present invention relates to methods for detecting polymeric analytes, especially biopolymers, and sensors for detecting the polymeric analytes. The present invention uses magnetic beads in a rota..

APPARATUSES AND METHODS FOR MANIPULATING DROPLETS

Apparatuses and methods for manipulating droplets are disclosed. In one embodiment, an apparatus for manipulating droplets is provided, the apparatus including a substrate, multiple arrays of electrod..

METHOD FOR DETERMINING CENTERS OF MASS FOR LARGE STRUCTURES

The invention relates to a method and a hoisting device for determining centers of mass and mass for large structures. According to the method, a hoisting device is used which has at least two differe..

METHOD AND DEVICE FOR MEASURING THE CONCENTRATION OF SUBSTANCES IN GASEOUS OR FLUID MEDIA THROUGH OPTICAL SPECTROSCOPY USING BROADBAND LIGHT SOURCES

The invention relates to a method and to a device for using partially non-stabilized broadband light sources to accurately measure partially broadband-absorbing substances using referencing measuring ..

RADIAL PLAIN BEARING WITH OPTIONAL HYDROSTATIC AND/OR HYDRODYNAMIC FUNCTION

The invention relates to a radial plain bearing that comprises a shaft (1), a bearing shell (2) having a cylindrical sliding surface (15) in each case, several lubrication pockets (3) distributed over..

SYSTEMS AND METHODS FOR ENDOSCOPIC ANGLE-RESOLVED LOW COHERENCE INTERFEROMETRY

Fourier domain a/LCI (faLCI) system and method which enables in vivo data acquisition at rapid rates using a single scan. Angle-resolved and depth-resolved spectra information is obtained with one sca..

SELF-PROPELLED SENSOR APPARATUS FOR IN SITU ANALYSIS OF ENVIROMENTAL PARAMETERS

A submersible, self-propelled apparatus for analyzing a component contained in a liquid medium. The submersible, self-propelled apparatus uses kinetic energy of the apparatus to drive a liquid under a..

Method of performing in situ calibrated potentiometric pH measurements

A device for the precise and accurate potentiometric pH measurements in situ. Embodiments of a potentiometric device according to the invention consist of one or more glass pH-sensitive electrodes con..

COMPRESSIVE SENSING SYSTEM AND METHOD FOR BEARING ESTIMATION OF SPARSE SOURCES IN THE ANGLE DOMAIN

Compressive Sensing (CS) is an emerging area which uses a relatively small number of non-traditional samples in the form of randomized projections to reconstruct sparse or com not pressible signals. D..

METHOD AND SYSTEM FOR DETERMINING RELATIVE DISPLACEMENT AND HEADING FOR NAVIGATION

A system and method for determining a location of a mobile object is provided. The system determines the location of the mobile object by determining distances between a plurality of sensors provided ..

INDEPENDENTLY-ADDRESSABLE, SELF-CORRECTING INKING FOR CANTILEVER ARRAYS

An improved method of loading tips and other surfaces with patterning compositions or inks for use in deposition. A method of patterning is described, the method comprising: (i) providing at least one..

POLYMER PEN LITHOGRAPHY

The disclosure relates to methods of printing indicia on a substrate using a tip array comprised of elastomeric, compressible polymers. The tip array can be prepared using conventional photolithograph..

Method of using group III-V ferromagnetic/non-magnetic semiconductor heterojunctions and magnetodiodes

Methods of use of ferromagnetic Group III-V semiconductor/non-magnetic Group III-V semiconductor heterojunctions, with a magnetodiode device, to detect heterojunction magnetoresistance responsive to a..

SOLID STATE DEVICE

A system that incorporates teachings of the present disclosure may include, for example, a solid-state selector having a vessel for carrying a liquid medium with one or more molecules surrounded by io..

Matched Pulse Stimulated Raman Scattering

Methods and apparatus for selectively driving the vibrations of normal modes of a target molecule into coherence using stimulated Raman scattering. In concert, many vibrations produce a larger anti-St..

DEVICE FOR CALORIMETRIC MEASUREMENT

In one aspect, provided herein is a single crystal silicon microcalorimeter, for example useful for high temperature operation and long-term stability of calorimetric measurements. Microcalorimeters d..

Metallic Layer-by-Layer Photonic Crystals for Linearly-Polarized Thermal Emission and Thermophotovoltaic Device Including Same

Metallic thermal emitters consisting of two layers of differently structured nickel gratings on a homogeneous nickel layer are fabricated by soft lithography and studied for polarized thermal radiatio..

ADAPTIVE MIRROR AND METHOD FOR THE PRODUCTION THEREOF

The invention relates to an adaptive mirror based on a ceramic substrate comprising a corresponding reflector and piezoelectric actuators, a cooling device being built into the substrate. The inventio..

Vision-aided inertial navigation

This document discloses, among other things, a system and method for implementing an algorithm to determine pose, velocity, acceleration or other navigation information using feature tracking data. Th..

MP-SWIFT WITH ADIABATIC INVERSION PREPARATION

A magnetic resonance image is produced by means of the SWIFT technique with magnetization preparation using one or two adiabatic inversion pulses.

PULSE GAP CYCLING FOR IMPROVED SWIFT

A magnetic resonance image is produced by shifting a gap during acquisition of spin data for a specimen. The spin data is generated by a gapped excitation sequence.

FLEXIBLE SENSORS AND RELATED SYSTEMS FOR DETERMINING FORCES APPLIED TO AN OBJECT, SUCH AS A SURGICAL INSTRUMENT

Methods of manufacturing a flexible force sensor include forming a first sensor part providing a plurality of spaced first electrode plates (80) in an electrically non-conductive material. A second se..

MEASUREMENT SYSTEM FOR THE MULTIDIMENSIONAL AEROSOL CHARACTERIZATION

A method is proposed for characterizing a totality of particles (318). The method can be used in particular for charactering microparticular or nanoparticular aerosols. The method comprises the follow..

ADAPTIVE MIRROR AND METHOD FOR THE PRODUCTION THEREOF

The invention relates to an adaptive mirror based on a ceramic substrate comprising a corresponding reflector and piezoelectric actuators, a cooling device being built into the substrate. The inventio..

APPARATUS FOR PARTICLE SORTING BY FLUIDIC VECTORING

Disclosed are embodiments of apparatus for sorting particles in a fluid stream by size. In one embodiment of an apparatus for sorting such particles, a housing is provided, which defines a channel for..

METHOD AND APPARATUS FOR MEASURING MICRORELIEF OF AN OBJECT

An apparatus for determining microrelief of an object periphery, comprising a ring for attachment to the object, a carriage adapted to traverse the ring; a non-contact measurement system mounted on th..

ELECTROMAGNETIC DETECTION APPARATUS AND METHODS

Systems and methods for detecting electromagnetic waves are disclosed. A system for detecting such waves includes a device having a first magnetic layer having a fixed magnetization direction, a secon..

ANALYSIS

A method of verifying the performance of a size standard, formed of a plurality of size standard elements, used in a nucleic acid analysis method is provided. The verification is achieved by introduci..

EMBEDDED MEMS SENSORS AND RELATED METHODS

Embodiments of embedded MEMS sensors and related methods are described herein. Other embodiments and related methods are also disclosed herein.

Surface Impedance Imaging Methods and Apparatuses

Methods and apparatuses for imaging surface impedance.

SENSOR DEVICES AND RELATED METHODS

Embodiments of sensor systems and related methods of operating and manufacturing the same are described herein. The sensor systems can be used to detect atomic or subatomic particles or radiation. Oth..

Apparatuses, Systems, and Methods for Apparatus Operation and Remote Sensing

A method and system for controlling an apparatus including receiving data indicative of an actual state of the apparatus, defining a first viewpoint relative to at least one of the environment and the..

Light Scattering Detector

The invention concerns high sensitivity light scattering detection and its application to evaporative light scattering detection in liquid chromatography. The exemplary embodiment includes a detection..

MASS SENSING DEVICE FOR LIQUID ENVIRONMENT

A device for sensing a mass in a liquid environment including a resonator comprising a piezo layer having a top electrode and a bottom electrode, a sensing surface located adjacent and opposite the to..

MICROWAVE AND MILLIMETER WAVE IMAGING

A sensor array having a plurality of modulated slots for microwave and/or millimeter wave imaging. The locations of the slots in the array define a spatial domain away from an object for detecting an ..

SUPPORTED MOLECULAR BIOFLUID VISCOSITY SENSORS FOR IN VITRO AND IN VIVO USE

A device and a method for measuring viscosity that includes attaching molecular rotors to a solid surface, exposing the solid surface to a fluid having a viscosity to be measured, and taking optical m..

Liquid Chromatography Detector and Flow Controller Therefor

A flow controller for use with a liquid chromatography detector. The flow controller includes a flow channel comprising an inlet portion, a control channel portion in communication with the inlet port..

DYNAMIC CONTINGENCY AVOIDANCE AND MITIGATION SYSTEM

Systems and methods for allocating resources within an infrastructure, such as an electrical grid, in response to changes to inputs and output demands on the infrastructure, such as energy sources and..

X-RAY CHARACTERIZATION OF SOLID SMALL MOLECULE ORGANIC MATERIALS

The present invention provides, inter alia, methods of characterizing a small molecule organic material, e.g., a drug or a drug product. This method includes subjecting the solid small molecule organi..

METHODS AND SYSTEMS FOR CODED ROLLING SHUTTER

Methods and systems for coded rolling shutter are provided. In accordance with some embodiments, methods and system are provided that control the readout timing and exposure length for each row of a p..

SPECTRAL AND TEMPORAL LASER FLUORESCENCE ANALYSIS SUCH AS FOR NATURAL AQUATIC ENVIRONMENTS

An Advanced Laser Fluorometer (ALF) can combine spectrally and temporally resolved measurements of laser-stimulated emission (LSE) for characterization of dissolved and particulate matter, including f..

METHODS AND PRODUCTS FOR DIAGNOSING CANCER

The present invention relates to methods and kits for the detection and diagnosis of cancer or precancerous conditions. Methylation of specific genes has been identified as indicative of cancer and me..

COMMON-PATH INTERFEROMETER RENDERING AMPLITUDE AND PHASE OF SCATTERED LIGHT

A beam of coherent laser light with linear polarization oriented at 45 degrees to vertical is expanded, and passes through a quarter-wave plate with the fast axis oriented vertically, creating circula..

DEVICE AND METHOD OF SEPARATING AND CONCENTRATING MICROFLUIDIC PARTICLES

A flow unit for microfluidic particles separation and concentration is disclosed. The unit comprises a nozzle segment, a turn segment, and a diffuser segment. The nozzle segment is defined by a first ..

MASS SPECTROMETRY USING LASERSPRAY IONIZATION

Disclosed herein are systems and methods for mass spectrometry using laserspray ionization (LSI). LSI can create multiply-charged ions at atmospheric pressure for analysis and allows for analysis of h..

METHOD AND APPARATUS FOR COMPRESSIVE DOMAIN FILTERING AND INTERFERENCE CANCELATION

A method for compressive domain filtering and interference cancelation processes compressive measurements to eliminate or attenuate interference while preserving the information or geometry of the set..

IMAGE MAPPING SPECTROMETERS

Devices and methods for hyperspectral and multispectral imaging are discussed. In particular, Image Mapping Spectrometer systems, methods of use, and methods of manufacture are presented. Generally, a..

ITERATIVE MATRIX PROCESSOR BASED IMPLEMENTATION OF REAL-TIME MODEL PREDICTIVE CONTROL

A system for embedding real-time Model Predictive Control (MPC) in a System-on-a-Chip (SoC) devices is provided. In the system, a microprocessor is connected to an auxiliary unit or application-specif..

NOVEL METHOD FOR ZERO POINT DETECTION

The present invention relates to a method for the simple, objective and accurate determination the zero point or effective zero point of a material, the point of first contact between an indenter tip ..

Detecting And Measuring Live Pathogens Utilizing A Mass Detection Device

Extremely minute amounts of live pathogens are rapidly detected using a piezoelectric cantilever sensor. A single pathogen is detectable in about 30 minutes. Pathogen-specific antibodies are immobiliz..

DETECTION AND MEASUREMENT OF MASS CHANGE USING AN ELECTROMECHANICAL RESONATOR

A change in impedance of a electromechanical resonating sensor is utilized to detect and/or measure a change in mass accumulated on the sensor. The impedance is monitored at a fixed frequency. The fix..

HIGH-SPEED AND LARGE-SCALE MICROSCOPE IMAGING

An imaging system generates an image of a specimen by acquiring images of individual portions of the specimen and combining the images to form a composite image. The system moves the specimen to a set..

DETERMINATION OF DISSOCIATION CONSTANTS USING PIEZOELECTRIC MICROCANTILEVERS

A method for determining the dissociation constant (Kd) by plotting resonance frequency shift as a function of time for various target analyte concentrations. From this graph, the fraction of saturati..

PROTEIN MICROARRAYS FOR MASS SPECTROMETRY AND METHODS OF USE THEREFOR

The present invention relates to the use of mass spectrometry to analyze arrays. The present invention provides methods for characterizing solutions comprising one or more proteins using arrays and ma..

METHODS AND RELATED DEVICES FOR CONTINUOUS SENSING UTILIZING MAGNETIC BEADS

A fluidic device including a main channel, wherein a first inlet fluidly connects to an upstream end of the main channel and introduces magnetic beads into a first side of the main channel A second in..

DETECTING SPECIES IN A DILUTE MEDIUM

Method and apparatus (10) for detecting a species in a dilute medium, the species having a spectral feature, the apparatus comprising: a beam source (20) arranged to generate a first laser beam and a ..

BUMP ARRAY DEVICE HAVING ASYMMETRIC GAPS FOR SEGREGATION OF PARTICLES

The disclosure relates to obstacle array devices (also known as bump array devices) for separating populations of particles by size. Improvements over previous obstacle array devices are realized by c..

AFFINITY CONTROL OF TAGGING NOISE

Analytical methodology is disclosed in which a trace analyte in a sample is tagged to increase its signal strength for measurement, and an affinity substance is used at least after the tagging step (l..

INTENSIFIED NEUTRAL LOSS TAGS AND USE THEREOF IN MASS SPECTROMETRY

Ultrasensitive detection of a chemical substance (analyte) by mass spectrometry is achieved by employing a molecular tag that yields an intense parent ion and then an intense daughter ion in a multi-s..

RAPID GAS-PHASE ISOTOPIC LABELING FOR ENHANCED DETECTION OF PROTEIN CONFORMATIONS

A mass spectrometer (MS) that is adapted to allow rapid gas- phase hydrogen/deuterium exchange (HDX) labeling of ions in one or more traveling wave ion guides (TWIGs) with or without ion mobility sepa..

ROTARY FROG SYSTEMS AND METHODS

Systems and methods determining amplitude and phase versus frequency of an incoming beam of pulsed laser light. An apparatus is set to an initial configuration to split the incoming beam into two beam..

DEPTH AND LATERAL SIZE CONTROL OF THREE-DIMENSIONAL IMAGES IN PROJECTION INTEGRAL IMAGING

A method disclosed herein relates to displaying three-dimensional images. The method comprising, projecting integral images to a display device, and displaying three-dimensional images with the displa..

METHOD AND SYSTEM OF ARRAY IMAGING

The present invention relates to a method and system of array imaging that extends or maximizes the longevity of the sensor array by minimizing the effects of photobleaching. The imaging system has a ..

Method for improving positioning accuracy of table, involves guiding-away gas from direct surrounding of gas bearing elements over selective influence of flow conditions in area surrounding sliding su

The method involves generating bearing force of gas bearing elements (1) through supplying of compressed gas for formation of a pressurized cushion between a sliding surface (4) and a counter surface ..

HIGH THROUGHPUT MULTICHANNEL READER AND USES THEREOF

The present invention relates generally to the field of high content screening of particles, e.g., cells in a flow cytometric system. In particular, the present invention relates to devices, methods a..

SPECT CAMERA

Systems and methods for providing improved detectors for use in SPECT cameras. The improved detectors use pinhole apertures and surfaces calculated to provide improved sensitivity and resolution. In s..

METHOD AND CAMERA FOR THE REAL-TIME ACQUISITION OF VISUAL INFORMATION FROM THREE-DIMENSIONAL SCENES

The invention relates to a method for calculating the focal stack associated with an object space from the plenoptic function thereof, using a sum transform along the length of constrained planes in d..

METHOD FOR SEPARATING AND CLASSIFYING PARTICLES SUSPENDED IN A FLUID

The invention relates to a method for separating and classifying particles suspended in a fluid, by applying a periodic vorticity field. According to said method, the particles are separated and, depe..

METHOD OF DETECTION

A method of detection of an analyte in which (i) a protein comprising a moiety capable of binding the analyte and a fluorescent label is contacted with a medium suspected of containing the analyte; (i..

THIN-FILM RADIATION DETECTOR

A method of operating a thin-film radiation detector such as a superconducting single photon detector comprising the steps of selecting a first polarization state of an incident beam of radiation; and..

MICROFLUIDIC CHIP DESIGN COMPRISING CAPILLARIES

The invention provides a microfluidic device wherein capillaries are connected to the microfluidic device by a deformable penetrable substance.

Method and Device for Measuring Magnetic Fields

The invention relates to a method which makes use of the Zeeman effect for measuring magnetic fields, by way of dark resonances. According to said method, a measuring cell (14) is exposed to the magne..

SENSOR FOR MEASURING OF BASIC GASES

A sensor (100) for quantifiable measurement of basic gases features a substrate (110), electric contacts (120) and also either one sensor layer which consists of a mixture of at least two sensor mater..

OPTICAL ARRANGEMENT FOR ELLIPSOMETRY

In an optical arrangement (1) for measuring spectroscopic properties of a sample located at a sample position (2), a light bundle is directed at the sample position at an adjustable angle of incidence..

ANALYSING SPECTRAL DATA FOR THE SELECTION OF A CALIBRATION MODEL

The invention relates to a method of analyzing spectral data for the selection of a calibration model, relating spectra of a substance to a physical or chemical parameter of the substance, over a pred..

PHOTOSPECTROMETER

Impinging electromagnetic radiation generates pairs of majority and minority carriers in a substrate. A spectrometer device for detection of electromagnetic radiation impinging on a substrate comprise..

METHOD FOR IMPROVING THE EFFICIENCY OF HIGH-PRESSURE LIQUID CHROMATOGRAPHY

The present invention relates to a method for improving the efficiency of high-pressure liquid chromatography columns in HPLC. More specifically, the method of the present invention provides a high-pr..

A CHROMATOGRAPHIC SEPARATION DEVICE WITH VARIABLE LENGTH AND A METHOD FOR ITS USE

The present invention enables the automatic change of the number of segments involved in a coupled chromatographic column system, without the need to physically detach and attach the individual segmen..

METHOD FOR OPERATING A MICROMIRROR DEVICE WITH ELECTROMECHANICAL PULSE WIDTH MODULATION

The present invention is related to a method for operating by pulse width modulation a micromirror device (50) comprising the steps of: - providing a micromirror device comprising at least one micromi..

ULTRASENSITIVE MAGNETIC SENSOR BASED ON GIANT FARADAY ROTATION

A high-resolution sensor of magnetic field sensor system and materials for use in such a system are described. The sensor systems measure a magnetic field using inorganic and/or organic magneto-optica..

QUANTIFICATION OF HYDROPHOBIC AND HYDROPHILIC PROPERTIES OF MATERIALS

A non-destructive and simple analytical method is provided which allows in situ monitoring of plasma damage during the plasma processing such as resist stripping. If a low-k film is damaged during pla..

THERMAL CONDUCTIVITY OF THIN FILMS

A test structure is presented to measure thermal conductivity of thin film materials based on the Seebeck effect. Furthermore, a method for the fabrication of the test structure and a method for measu..

DEVICE FOR MODIFYING AND/OR CONTROLLING THE STATE OF POLARISATION OF LIGHT

The present invention concerns a device for modifying and/or controlling the state of polarisation of light, said device comprising a light impervious surface structure provided with at least one thro..

Method of generating digital test objects

The method involves defining a three dimensional scene in a continuous three dimensional space. The three dimensional scene is discretized by volume elements i.e. voxel, using a balancing mechanism i...

METHOD FOR CHANGING THE DIRECTION OF MAGNETIZATION IN FERROMAGNETIC LAYER

The invention relates to a method for changing the direction of magnetization in a top layer (2) including a ferromagnetic material, characterized in that: a) the top layer (2) is placed over a bottom..

SPECTROGRAPH WITH AN ELLIPTICAL MIRROR

The invention relates to a spectrograph comprising a means (3) for focussing radiation emitted by a sample illuminated by a source of radiation, and a means (4) for diffracting the focussed radiation,..

METHOD FOR LONGITUDINALLY STABILIZING AN OPTICAL CAVITY

The invention relates to a method for stabilizing, along the distance (L) between two mirrors (3, 4), an optical cavity (2), wherein said method comprises the steps of: injecting, into the cavity, an ..

MAGNETIC RESONANCE METHOD USING A PHASE-MODULATED PULSE TRAIN WITH A CONSTANT SMALL FLIP ANGLE

The method for performing magnetic resonance measurements on a sample according to the present invention, in which a first predetermined number of pulse trains each comprising a second predetermined n..

ULTRA-COMPACT APERTURE CONTROLLED DEPTH FROM DEFOCUS RANGE SENSOR

The present application teaches an implementation of an ultra-compact range sensor based on aperture varying passive depth from defocus (DFD). An embodiment of the present application teaches a range ..

ELECTROCHEMICAL FLOW CELL DETECTOR

Electrochemical Flow Cell Detector comprising a chamber (1 ) configured to receive a first electrolyte solution; a membrane (2) comprising a second electrolyte in contact with the chamber, and in cont..

ANALYSIS SYSTEM AND METHOD

An analysis system has a sample region (1), a source of excitation radiation (3), and a wavelength-inspecific beam splitter (13) to deliver some of the excitation radiation to a sample. A dispersion e..

Novel Assay

The invention relates to a translational recoding reporter construct comprising: a first fluorescent protein coding sequence; a second fluorescent protein coding sequence encoding a fluorescent protei..

AUTO-SYNCHRONOUS FLUORESCENCE DETECTION METHOD AND APPARATUS

An apparatus for time-gated fluorescence or luminescence detection includes gating means (206) arranged to alternately permit light from an excitation source (242) to be directed to a sample (235) alo..

Detection and Quantification of Polypeptides Using Mass Spectrometry

The invention relates to the detection and quantification of polypeptides using mass spectrometry. Specifically, the invention provides a method for testing whether a target polypeptide is present in ..

TIME GATED FLUORESCENT FLOW CYTOMETER

An apparatus (10) for detecting a particle (12) labelled with a fluorescent marker is disclosed. The apparatus (10) has a flow cell (16) being adapted to contain a fluid (14) in which the particle (12..

QUANTITATIVE AND SELF-CALIBRATING CHEMICAL ANALYSIS USING PAPER-BASED MICROFLUIDIC SYSTEMS

A method of determining the concentration of a test fluid sample using a paper-based microfluidic system having a plurality of hydrophilic testing zones, including: a) depositing said test fluid sampl..

THREE-DIMENSIONAL MICROFLUIDIC SYSTEMS

A three-dimensional microfluidic system including: at least one hydrophilic thread along which fluid can be transported through capillary wicking; and at least one hydrophobic substrate for supporting..

SHUTTTER AND METHOD OF USE

A shutter for a beam of electromagnetic radiation, such as that provided by a synchrotron, said shutter comprising at least one voice coil having a radiation attenuating head, wherein actuation of the..

MONITORING SAMPLE VIA QUANTUM DECOHERENCE RATE OF PROBE

A property of a sample is monitored by providing a quantum probe having a quantum state in proximity to the sample, and detecting the quantum decoherence rate of the quantum probe, where said quantum ..

SPECTROSCOPIC DETECTION SYSTEM AND METHOD

A system and method for spectroscopic detection of a loss in a resonator cavity. The system comprises: a tunable laser source for generating a laser beam; a frequency locking system for either locking..

METHOD OF OPTIMISING THE SENSITIVITY OF A SURFACE PLASMON ELLIPSOMETRY APPARATUS

A method of optimising the sensitivity of surface plasmon ellipsometry(SPE) apparatus used to analyse a surface comprising a conducting film, the method comprising calculating a sensitivity map of SPE..

SENSOR ELEMENT

A sensor element comprises first and second channel devices and at least one reflector. Each of the first and second channel devices is directed towards the reflector(s) and is able to transmit radiat..

MULTIPLEXED ANALYTE CONCENTRATION MEASUREMENT

Disclosed is a method of multiplexed concentration measurement of one or more analytes in a sample by means of electrical impedance measurements, the method comprises the steps of : providing the samp..

OPTICAL DISPLACEMENT SENSOR

The present invention relates to a compact and inexpensive optical displacement sensor that does not require accurate control of the distance to the object. A repetitive optical structure is utilized ..

NON-INVASIVE POLARIMETRIC APPARATUS AND METHOD FOR ANALYTE SENSING IN BIREFRINGENT MEDIA

A noninvasive polarimetric apparatus used to measure levels of a substance in a sample in the presence of dynamically changing sample birefringence is provided. A polarization system generates multipl..

IMPROVING THE PHOTOSTABILITY AND/OR CONTROL OF THE FLUORESCENCE INTENSITY OF FLUORESCENT DYES

The present invention relates to a process for improving the photostability and/or control of the fluorescence intensity of a fluorescent dye wherein a fluorescent dye is admixed with a redox buffer c..

Gyroscopic controllable moment generator adapted for use onboard a marine vessel

A gyrostabiliser system is provided comprising: at least two flywheels 14,14', each having a respective spin axis; a first drive system 18,18', adapted to rotate the at least two flywheels 14,14', abo..

RADIATION DETECTOR

An apparatus for determining a direction to a source of radiation, e.g. a gamma-ray or neutron source at a range of 100 m or more, is described. The apparatus is rotatable, e.g. about a vertical axis,..

AN APPARATUS AND METHOD FOR LASER IRRADIATION

An apparatus for laser irradiation comprising: a housing wherein the housing defines at least a portion of a test volume; a first conduit configured to provide a first flow of gas into the test volume..

ANALYTE DETECTION SYSTEM

There is disclosed an analyte detection system comprising: and analyte analysis stage through which a condensed phase containing the analyte flows; nebuliser means into which the output of the analyte..

MEASUREMENT OF MASS FLOW

A system and method for measuring mass flow of a non-gaseous phase (4) of material such as a solid particulate are described. The material flows through a conduit of which a section (14) is heated or ..

Strain Image Display Systems

A method of displaying strain image data for an imaged object, the method comprising: capturing strain image data defining deformation of said object over an imaged region of said object; processing s..

PHASE RETRIEVAL AND PHASE HOLOGRAM SYNTHESIS

A method of retrieving phase information (309) from input intensity information (362), representative of a target image, in which a Fourier transform (350) is performed on data (301, 303), and the res..

COMPUTATIONAL METHOD AND APPARATUS FOR PREDICTING POLYPEPTIDE AGGREGATION OR SOLUBILITY

A prediction method for predicting the effect of an amino acid modification on the rate of aggregation (solubility) of a reference polypeptide comprising: calculating the difference in hydrophobicity ..

Method for extending the life of chemical sensors

The method is described for extending the life of chemical sensors for determining individual components in the gas phase, the contact between fluoride-ion conductor and metal electrode being heated o..

Non-Intrusive Pressure/Multipurpose Sensor and Method (MSC-22738)

Abstract: This technology is a device for non-intrusively measuring the properties of a flowing fluid. The device measures pressure, mass flow rate, density, and other variables. The device does not ..

CCD System Technology for Extremely Low Background Observations (GSC-13906)

Abstract: The charge-coupled device (CCD) detector provides improved performance for lowbackground observations.

Capacitance Probe for Fluid Flow and Volume Measurements (MSC-22544)

This technology replaces mechanical fluid flowmeters with an electronic probe that is small and portable. The probe’s main use is to measure the volumetric rate of flow of a liquid. The probe feeds ..

Web Growth of Silicon Carbide Surfaces (TOP3-00152)

Abstract: This Technology Opportunity sheet describes processes to control the location of, or eliminate dislocation defects (including micropipes) in silicon carbide (SiC) single-crystal semiconduct..

Electroplating of Hard Glassy Metals (MFS-31377)

Abstract: Developed at NASA Marshall Space Flight Center (MSFC), this technology is a novel method for electroplating ultra-high-strength glassy metals—nickel-phosphorous and nickelcobalt- phosphor..

New PMR Polyimide End Caps to Improve High-Temperature Oxidation Resistance (TOP3-153)

Abstract: This patented technology utilizes modified nadic end caps to improve the high-temperature oxidation resistance of PMR (polymerization of monomeric reactants) polyimides, without adversely a..

Compact, Stiff, Remotely-Activated Quick Release Clamp (MSC-22722)

Abstract: This invention is a high-strength, lightweight mechanical clamp that allows for rapid and remote release. This compact clamp provides a high holding force, yet requires only a minimal force..

Precision Imaging System Grids (MFS-31546)

Abstract: NASA’s high-precision, low-cost imaging system grid fabrication process allows manufacturers to reduce costs while achieving the superior imaging system accuracy and performance needed in..

Polymer Membranes for High-Temperature PEM Fuel Cells and Solid Polymer Batteries (TOP3-178)

Abstract: These materials form dimensionally, mechanically, and thermally stable films with good ion conduction over a wide range of temperatures. NASA Glenn's ORMOSILs are made from relatively low c..

Laser Diode Based Spectrometer Using Fiber Gratings (GSC-13915)

Abstract: In spectroscopic applications, the light source wavelength, tuning range, and spectral quality are important. High performance systems that use tunable dye or Ti: sapphire lasers are bulky,..

Skin-Modified Aerogel Monoliths (TOP3-177)

Abstract: The National Aeronautics and Space Administration (NASA) seeks to transfer technology for the development and production of skin modified aerogel monoliths. These aerogel monoliths are mech..

Low-Cost, Long-Lasting Liquid Coating (KSC-12049)

Abstract: Developed at the John F. Kennedy Space Center (KSC), Florida, to protect embedded steel surfaces from corrosion, this material is made of inexpensive, commercially available ingredients and..

A Metric for Visual Quality of Digital Video (ARC-14236)

Abstract: DVQ (which stands for "digital video quality") is a metric for evaluating the visual quality of digitized video images. Other video-quality metrics have been proposed, but it appears that e..

Piezoelectric and Pyroelectric Polymeric Materials ()

Abstract: Thermally stable piezoelectric and pyroelectric polymeric substrates retain their orientation, piezoelectric, and pyroelectric properties at temperatures above 100oC up to the softening tem..

Passive Venting for Alleviating Helicopter Tail-Boom Loads (DRC98-96)

Abstract: The tail boom of a single-rotor helicopter is subjected to a complex flow field that includes the wakes of the main and tail rotors, the freestream, and the wake from the forward fuselage.

Capillary Pumped Loop Body Warmer (GSC-13329)

Abstract: The National Aeronautics and Space Administration's (NASA) Goddard Space Flight Center (GSFC) seeks a qualified user and/or manufacturer to pursue the further development and commercializat..

Skin Modified Aerogel Monoliths (TOP3-177)

Abstract: These aerogel monoliths are mechanically robust with no alteration of their bulk chemical composition and properties, which include low density, high porosity, high surface area, low dielec..

PMR--15 Layered Silicate Nanocomposites ()

Abstract: Layered silicates have quickly become recognized as a useful filler in polymer matrix composites. Their platelet morphology and high aspect ratio results in greatly improved thermal, mechan..

New PMR Polyimide End Caps to Improve High-Temperature Oxidation Resistance (TOP3-153)

Abstract: This patented NASA Glenn Research Center technology utilizes modified nadic end caps to improve the high-temperature oxidation resistance of PMR (polymerization of monomeric reactants) poly..

Flux-Focusing Eddy Current Sensor Family (TOP1469)

Abstract: NASA Langley Research Center is actively seeking partnerships and collaborations to commercialize its Flux-Focusing Eddy Current Sensor technologies.

Film Processing Module (MFS-32008)

NASA's Marshall Space Flight Center (MSFC) has developed a technology that combines a film/adhesive lay-down module and fiber placement technology to enable the processing of both a composite structur..

JPL Ohmic Contact Technology ()

Abstract: NASA Jet Propulsion Laboratory's Flexible Carbon-based Ohmic Contacts for Organic Transistors provides one of a handful of enabling technologies in support of the development of organic ele..

Wide Bandwidth Phase-Locked Loop Circuit (MSC-22875)

Abstract: This technology is an improved phase locked loop circuit. This system generates an output signal whose frequency is related to that of the input signal. In order to achieve a broad bandwidt..

Selective Buried Etch Stop (SES) Silicon Device Fabrication Process ()

Abstract: A NASA Goddard Space Flight Center (GSFC) development team has achieved breakthroughs in bulk silicon micromachining of microelectromechanical (MEMS)-based submillimeter and far infrared (I..

Parallel Subconvolution Filtering Architectures (NPO-30142)

Abstract: Parallel implementations of large tap-length digital filters are complex digital designs and require large transistor count (real estate) to implement. The goal was to develop simple archit..

High-Rate Parallel Digital Receiver ()

The design approach for the high-rate digital demodulator consisted of algorithmic development, software simulations, development of a hardware prototype in reprogrammable hardware, and finally, devel..

High Rate Digital Demodulator (GSC-13963)

Abstract: NASA Goddard Space Flight Center’s high-rate digital receiver performs demodulation and bit synchronization for quadrature PSK (QPSK) and binary PSK (BPSK) modulated signals. The parallel..

Strong, Lightweight Composite Tanks and Pipes for Demanding Applications (TOP8-69)

Abstract: These technologies offer an attractive combination of improved technology at lower costs--they enable the production of strong, lightweight, adaptable, uniquely shaped, insulated, chemicall..

Composite Roll Press and Processes (LAR-16299)

Abstract: The composite roll press is a machine through which composite laminates are processed. With the combination of standard composite laminate build up techniques and the use of unique processi..

High-Performance Fiber-Reinforced SiC/SiC Composite Systems (TOP3-00173)

Abstract: NASA Glenn Research Center researchers have developed two high-performance SiC/SiC composite systems with state-of-the-art thermostructural capability up to 1315 oC (2400 oF). These systems..

Two-Dimensional Empirical Mode Decomposition and Hilbert Spectral Analysis for Image Processing (GSC-13909)

Abstract: Developed at NASA Goddard Space Flight Center, the Hilbert-Huang transformation (HHT) technology allows users to conduct more precise analysis of signal data than can be obtained from conve..

Emulsified Zero-Valent Iron (EZVI) (KSC-12246)

Abstract: Developed at the John F. Kennedy Space Center (KSC), this process provides for the in situ treatment of dense nonaqueous phase liquids, or DNAPL’s. This technology is one of the few metho..

Edge Detection in Noisy Environments (KSC-12278)

Abstract: NASA's Fuzzy Reasoning Edgde Detection (FRED) system uses heuristics that mimic the capability of humans to approximate solutions, making it ideal for detecting edges in noisy, cluttered en..

Breakthrough in Combining/Dividing Radio Frequency/Microwave Power (MFS-31186)

Abstract: NASA scientists have discovered a method for combining or dividing harmonically rich waveforms while maintaining both the amplitude and phase of the original waveform.

GMR Crack Detector (TOP1-464)

Abstract: The newly discovered giant magnetoresistive (GMR) technique to identify surface cracks is a nondestructive evaluation method to solve common industry crack-detection problems. Thick, multil..

3-D Roller Locking Sprags (GSC-13617)

Abstract: Originally developed at NASA Goddard Space Flight Center, this technology provides a solution to torque-coupling locking brake and clutch applications that are too demanding for conventiona..

Strong Lightwight Composite Tanks and Pipes for Demanding Applications (TOP8-69)

Abstract: NASA’s Marshall Space Flight Center is offering licensing and/or joint development opportunities for its newest composite layered tank, vessel, and pipe technologies. These technologies o..

A Real-Time Optical Sensor System for Monitoring Parylene Thickness ()

Abstract: With the ever-increasing need for higher accuracy in process controls, NASA Goddard Space Flight Center's (GSFC) new real-time sensor technology greatly improves accuracy in parylene and ot..

Mass Measurement During Fluid Flow Using an Integrated Sonic/Microwave Detector (MSC-23311)

Abstract: This dual sonic sensor system for measuring densities and the simultaneous use of an integrated sonic/microwave system for height and volume measurements is extremely unique. In addition, t..

Electronic Thermometer Readings (SSC-00006)

Abstract: NASA Stennis¿ adaptive predictive algorithm for electronic thermometers uses sample readings during the initial rise in temperature and applies an algorithm that accurately and rapidly pre..

Binarization of Noisy Images (KSC-12490)

Abstract: NASA's fuzzy reasoning adaptive thresholding (FRAT) system is ideal for binarizing noisy, cluttered or textured gray-scale images. Using a faster computational technique that improves on pr..

JPL Ohmic Contact Technology ()

Abstract: NASA Jet Propulsion Laboratory's Flexible Carbon-based Ohmic Contacts for Organic Transistors provides one of a handful of enabling technologies in support of the development of organic ele..

Soft Side Air Displacement Volumometer (MSC-22653)

Abstract: The Soft Side Air Displacement Volumometer is a dev ice and a method to measure the volume of a person¿s body, limb, or other solid object. Using a soft-sided bag, air injector, pressure t..

Integrated Sol-Gel Fiber-Optic Sensors (GSC-13913)

Abstract: Sol-gel has been used for many years in a wide variety of fiber optic applications. Existing systems coat optical fibers with sol-gel. One drawback of this method is that detection occurs o..

Method and Apparatus for Measuring Fluid Flow (MSC-22366)

Abstract: This invention can be used for multiple purposes and measures including: the measuring of flow-rates, turbulence and dispersion; fluid identification; and monitoring information on instanta..

Selective Buried Etch Stop (SES) Silicon Device Fabrication Process (GSC-13962)

A NASA Goddard Space Flight Center (GSFC) development team has achieved breakthroughs in bulk silicon micromachining of microelectromechanical (MEMS)-based sub millimeter and far infrared (IR) radiati..

Misalignment Accommodating Connector Assembly ()

Abstract: The technology consists of a first connector subassembly with an extended arm (or tongue) that has a transversely insertable tubular member. The second connector assembly has a pair of spac..

Rotary Latch ()

Abstract: The design of the rotating inner receiver is a dependable method of capturing and retaining the latch pin. This dependability makes it ideal for remote or difficult to access locations. The..

Method for Measuring Surface Shear Stress Magnitude and Direction Using Liquid Crystal Coatings (ARC-12052)

Abstract: In aerodynamics research, much valuable information can be gained from visualizing and measuring shear stress patterns on solid surfaces. Frictional forces generated by gases or liquids flo..

Collapsible, Light, Portable Human Hyperbaric Chamber/Airlock System (MSC-23076)

Abstract: Potential commercial uses include treatment facility for decompression sickness at remote locations and treatment facility for altitude sickness. A prototype exits for this technology o..

Retractable Visual Indicator Assembly (MSC-22525)

Abstract: The indicator assembly is attached to the top of the drum or vessel containing filter material. The assembly includes an elongated, outer housing (a tube), constructed at least partially of..

Method for Determining Shear Direction Using Liquid Crystal Coatings (ARC-11995)

Abstract: The system is calibrated by locating a observer, e.g., a video and movie camera, such that a particular color band (preferably at or near the center of the reflected spectrum) is observed t..

Endothelium Preserving Microwave Treatment for Atherosclerosis (MSC-22724)

Abstract: Most energy is deposited with in the atherosclerotic lesion and little energy will pass into and beyond the adventitia because of rapid decay of the electromagnetic wave. Thermal conduction..

Neural Net Navigation Tool (MSC-22318)

Abstract: Unlike other mobile vehicle navigation systems, this invention utilizes neural network technology to determine the position and angular orientation of the vehicle. Neural networks are, gene..

Energy Absorbing Protective Shroud Against High Speed Machinery (MSC-22823)

Abstract: The most promising area of potential commercial use of this technology is in the aviation/aerospace industry. The technology can be used to encapsulate any high-speed machinery that could p..

New Automated Expert System and Development Tool (GSC-13672)

Abstract: NASA Goddard Space Flight Center's GenSAA software was originally developed for real-time operations in spacecraft control centers. During routine satellite-ground contacts, the flight oper..

Scaling Device for Photographic Images (KSC-12201)

Abstract: When a photograph is taken, the image of this pattern appears along with the image of the object under investigation, allowing the viewer to quantify the size of the object. NASA's need for..

Method & Means for Ultra-High Sensitive, Absolute, Linear & Rotary Encoding (GSC-13703)

Abstract: Optical encoders measure the linear or angular position of an object by optically detecting marks on a scale affixed to the object. Incremental encoders simply detect the relative motion of..

Piozoelectric Ceramic Actuator Technologies ()

Abstract: The actuator design has several differences from conventional piezoelectric actuators. Because of its radial design, this actuator exhibits out of plane movement when electrically stimulate..

Protective Laminate Space Suit Helmet and Extravehicular Visors (MSC-21503)

Abstract: The polycarbonate/polysulfone laminate combination provides superior chemical and propellant exposure protection. The chemical resistance of the laminate includes protection against chemica..

Wide Bandwidth Phase-Locked Loop Circuit (MSC-22875)

Abstract: Potential commercial uses and benefits are: Radio Broadcasting This PLL could be used in a radio tuner to lock on a specific frequency, providing a cleaner signal. Telecommunications This t..

Piezoelectric and Pyroelectric Polymeric Materials ()

Abstract: Piezoelectric and Pyroelectric Polymeric Substrates have several potential commercial applications including: electromechanical and thermo mechanical transducers, acoustic, infrared, and te..

Reagentless Chemiluminescent Biosensors for Determination of Hydrogen Peroxide, Ethanol and D-Glucose (MSC-22605)

Abstract: Reagentless Chemiluminescent Biosensors for Determination of Hydrogen Peroxide, Ethanol and D-Glucose is a method of measuring low levels of select organic compounds (analytes) in water. Th..

Low-Cost, Long-Lasting Liquid Coating (KSC-12049)

Abstract: NASA's highly reliable, low-cost liquid-applied coating offers companies the ability to conveniently protect embedded steel rebar surfaces from corrosion. The inorganic, galvanic coating co..

Radiant Temperature Nulling Radiometer ()

Abstract: NASA Stennis Space Center has developed a low-power radiant temperature nulling radiometer with unique self-calibrating design features to improve the accuracy, resolution, and operation co..

Ice Thickness Gauge (TOP1-451)

Abstract: Ice buildup on surfaces, buildings, roadways, and vehicles can impair performance, damage structures, and lead to human injury or death. The Ice Thickness Gauge warns of such accumulation b..

UV-Curable Polyimides (LEW-16616)

Abstract: Polyimides are often used for high-performance applications in the aerospace and electronics industries. Making these materials traditionally involved the condensation of a diamine with a d..

Lightweight Ceramic Insulation and Method (MSC-20782)

Abstract: This new technique offers improvements over conventional methods. By manipulating the water content of the salt solution before the freezing process, the ceramic's final density can be adju..

Laser-Directed Ranging Systems for Telerobotics Applications (MSC-22431)

Abstract: NASA's latest work uses fiber Bragg gratings to fine tune laser diode wavelengths, and has proven very productive in reducing size and cost while boosting performance of prototype spectrome..

Personal Cabin Pressure Altitude Monitor and Warning System (KSC-12168)

Hypoxia results from unprotected exposure above certain altitudes. Defined as an insufficient supply of oxygen to the body's tissues, hypoxia insidiously affects the central nervous system and organs...

Self-Regulating Shock Absorber (MSC-22111)

Abstract: Also, unlike hydraulic shock absorbers, the damping force in this shock absorber does not vary appreciably with speed of stroking. This invention can be used in any application where there ..

High Quality Optically Polished Aluminum Mirror (GSC-14147)

Abstract: Researchers at NASA Goddard Space Flight Center have developed a revolutionary process for precision optical polishing of bare aluminum to an unprecedented smoothness. GSFC's process begins..

Two Dimensional Empirical Mode Decomposition and Hilbert Spectral Analysis for Image (GSC-13909)

Abstract: Traditional energy-frequency analyses are based on Fourier transformation. These methods produce consistently accurate results only for linear and stationary signals. However, few energy-fr..

Three-Dimensional Roller Element Bearing (GSC-13679)

Abstract: Developed by Goddard Space Flight Center (GSFC), this bearing technology combines the benefits of single row bearings - lightweight, low parts count, small size, and high load carrying - wi..

Parallel Integrated Frame Synchronizer (PIFs) Chip (GSC-13813-1) ()

Abstract: NASA Goddard Space Flight Center has developed a high-speed parallel integrated frame synchronizer chip that can be used in ground station systems that receive and process data from airborn..

Laser Diode Based Spectrometer Using Fiber Gratings (GSC-13915)

NASA's latest work uses fiber Bragg gratings to fine tune laser diode wavelengths, and has proven very productive in reducing size and cost while boosting performance of prototype spectrometer systems..

Three-Dimensional Position Determination Based on Earth's Geomagnetic Field (GSC-13880)

Abstract: Although GPS provides a free signal for very accurate position finding, space-qualified GPS equipment is expensive. Also, accuracy better than 50 km is not needed for many low Earth orbitin..

Optimized Image Compression (DCTune) (ARC-12015)

Abstract: The DCTune technology represents a fundamental improvement on existing optimization techniques known as Quantization. Quantization selectively increases or decreases the amount of informati..

Integrated GPS Antenna/Receiver for Attitude Determination (GSC-13907)

Abstract: The invention is a concept for improving on a state-of-the-art satellite navigation system. Currently, spacecraft control systems rely on a system of sensors to determine position, velocity..

Industrial, Medical and Art Restoration Applications of Surface Texturing (TOP3-71)

Abstract: Surface texturing can improve orthopaedic implants and increase cellular attachment, make transmitted light more diffuse, reduce surface glare, change friction and wetability of a surface, ..

Spray-On Circuits (MFS-31549)

Abstract: Researchers at NASA Marshall Space Flight Center developed a new thin-film deposition process that creates a permanent bond between the film and substrate. This patented process, known as v..

Space Station Paraffin-Actuated Remote Connector (MSC-21998)

Abstract: The Space Station Paraffin-Actuated Remote Connector (SSPARC) is a device for joining two structural members, either electrically (using remote controls) or manually. The releasable couplin..

Ammonia Monitor Including Solid Phase pH Conditioning and a Liquid-Liquid Exchange Module (MSC-22270)

Abstract: The device is computer controlled, reagentless, and requires no preparation of the sample. Operation requires no reagents because pH is controlled by an in-line solid-phase base (SPB). The ..

Aerodynamic Design using Neural Networks ()

Abstract: Some desirable characteristics of the new design optimization procedure include the ability to handle a variety of design objectives, easily impose constraints, and incorporate design guide..

Body Fluids Monitor (MSC-22491)

The body fluids monitor uses bioelectrical responses to determine amounts of body fluids. By employing a sequence of measurements and processing steps, the device can calculate the total volume of bod..

Compact, Stiff, Remotely activated Quick Release Clamp (MSC-22722)

Abstract: Clamps available on the market do not have their own remote releases, which must be customized and added separately. NASA's concept is a compact, stiff, remotely-activated quick release cla..

Compact, Stiff, Remotely activated Quick Release Clamp (MSC-22722)

Abstract: Clamps available on the market do not have their own remote releases, which must be customized and added separately. NASA's concept is a compact, stiff, remotely-activated quick release cla..

Virtual Glovebox (VGX): Advanced Astronaut Training and Simulation System for Life Science Experiments Aboard The International Space Station (ARC-14756)

Abstract: This "Virtual Glovebox"(VGX) is designed to integrate ultra-high resolution imaging technology and force-feedback devices with high-fidelity graphics and real-time computer simulation engin..

A Successful Wire Bonding Technique for CZT Strip Detectors and Detector Arrays TOP ()

Abstract: Using this technique, NASA's Goddard Space Flight Center has developed a 60 cm2 CZT strip detector with 580,000 pixels for high-resolution gamma-ray astronomy in the 10,150 keV energy range..

A Metric for Visual Quality of Digital Video (ARC-14236)

Abstract: The emerging infrastructure for digital video lacks a critical component: a reliable means for automatically measuring visual quality. Such a means is essential for evaluation of codecs, fo..

Perilog Contextual Search and Retrieval Software Tools (ARC-14512)

Abstract: Perilog unearths data that is contextually relevant to the subject being investigated. The software measures the degree of contextual association for large numbers of term pairs in text (or..

Emulsified Zero-Valent Iron (EZVI) (KSC-12246)

Abstract: Emulsified Zero-Valent Iron is a versatile technology that can be used at many of these locations. Applicable sites may include: dye and paint manufacturers;dry cleaners; chemical manufactu..

3-D Roller Locking Sprags (GSC-13617)

Abstract: Many machines with rotating parts use brakes and clutches to stop or control the degree and direction of motion of the driven parts. Brakes and clutches often are incorporated between conce..

Electroplating of Hard Glassy Metals (MFS-31377)

Abstract: Although it yields a high quality coating, electroless deposition does not allow for much process control, requires high processing temperatures, and has a slower deposition rate than with ..

Discrete Event Simulation Tool for Analysis of Qualitative Models of Continuous Processing Systems (CONFIG) (MSC-21465)

Abstract: CONFIG is a general-purpose simulation tool that can support simulations in several domains, including process-oriented industries (chemicals, foods, pharmaceuticals), water and waste proce..

Parallel Subconvolution Filter Architectures (NPO-30142)

Abstract: The goal was to develop simple architectures to implement in parallel/vector processing form to reduce the processing rate required by the hardware and able to be extended to any length fil..

Proton-Transfer-Reaction/Ion-Mobility-Spectrometer (PTR-IMS) (NPO-21187)

Abstract: A small, portable detector with high sensitivity suitable for detection of trace amounts of organic compounds, PTR-IMS does not suffer from problems associated with commonly used gas chroma..

High Rate Parallel Digital Receiver (NPO-21230)

Abstract: The data rates for NASA missions are increasing very rapidly. In order to process these high data rates, high-processing hardware is required. For baseband data processing, there exist inex..

CCD System Technology for Extremely Low Background Observations (GSC-13906)

Abstract: Charge-coupled devices have proven to be exceptionally versatile and effective detectors for imaging wavelengths between the near-ultraviolet and the near-infrared portions of the spectrum...

CCD System Technology for Extremely Low Background Observations (GSC-13906)

Abstract: Charge-coupled devices have proven to be exceptionally versatile and effective detectors for imaging wavelengths between the near-ultraviolet and the near-infrared portions of the spectrum...

Capillary Pumped Loop Body Warmer (GSC-13329)

Abstract: Capillary Pumped Loops (CPL) are a space-age technology for thermal control. GSFC uses CPLs for spacecraft thermal control and recently developed a concept for application of CPLs to human ..

Capacitance Probe for Fluid Flow and Volume Measurements (MSC-22544)

Abstract: The technology replaces mechanical flowmeters used currently with a simple, dependable electronic device with no moving parts. It is more accurate and not as invasive. Its readings are inst..

Capaciflector-Based Technology (GSC-13614)

Abstract: The Capaciflector is a capacitive sensing element backed by an active reflector element that acts as a shield to reflect field lines. The capacitive coupling between the senor and the objec..

Gear Bearings (GSC-14207)

Abstract: Goddard's technologies are based on two innovative designs: the roller gear bearing and the phased-shifted gear bearing. The roller gear bearing has crowned roller ends with the roller radi..

Autonomous Micro-Pulse Lidar System (GSC-13493)

Abstract: The MPL system uses an optical telescope to transmit and expand solid-state laser pulses, allowing it to produce a high level of sensitivity and reliability using eye-safe pulse energy leve..

System for Rapid Biohydrogen Phenotypic Screening of Microorganisms Using a Chemochromic Sensor

U.S. Patent 6,448,068 Technology Description Provided is a system for identifying a hydrogen gas producing organism. The system includes a sensor film having a first layer comprising a transition..

Method and apparatus for determining diffusible hydrogen concentrations

U.S. Patent 7,306,951 Technology Description A measuring apparatus and method for use in measuring diffusible hydrogen concentrations in materials, structures, and other objects. In an embodiment..

Welding/Sealing Glass Enclosed Space in a Vacuum

U.S. Patent 5,489,321 Technology Description A method of welding and sealing the edges of two juxtaposed glass sheets together to seal a vacuum space between the sheets comprises the steps of pos..

Thin Film Method of Conductin Lithium-Ions

Technology Description The present invention relates to the composition of a solid lithium-ion electrolyte based on the Li.sub.2 O--CeO.sub.2 --SiO.sub.2 system having good transparent characteristics..

System for Rapid Biohydrogen Phenotypic Screening of Microorganisms Using a Chemochromic Sensor

U.S. Patent 6,448,068 Technology Description Provided is a system for identifying a hydrogen gas producing organism. The system includes a sensor film having a first layer comprising a transition..

Stand-Alone Photovoltaic (PV) Powered Electrochromic Window

U.S. Patent 5,384,653 Technology Description A variable transmittance double pane window includes an electrochromic material that has been deposited on one pane of the window in conjunction with ..

Solid Lithium-Ion Electrolyte

U.S. Patent 5,716,736 Technology Description The present invention relates to the composition of a solid lithium-ion electrolyte based on the Li.sub.2 O--CeO.sub.2 --SiO.sub.2 system having good ..

Self Bleaching Photoelectrochemical-Electrochromic Device

U.S. Patent 6,369,934 Technology Description A photoelectrochemical-electrochromic device comprising a first transparent electrode and a second transparent electrode in parallel, spaced relation ..

Redox Polymer Electrodes for Advanced Batteries

U.S. Patent 5,840,443 Technology Description Advanced batteries having a long cycle lifetime are provided. More specifically, the present invention relates to electrodes made from redox polymer f..

Preparation of Superconductor Precursor Powders

U.S. Patent 5,789,348 Technology Description A process for the preparation of a precursor metallic powder composition for use in the subsequent formation of a superconductor. The process comprise..

Photoconversion of Gasified Organic Materials Into Biologically Degradable Plastics

U.S. Patent 5,250,427 Technology Description A process is described for converting organic materials (such as biomass wastes) into a bioplastic suitable for use as a biodegradable plastic. In a p..

PD/NI-WO3 Anodic Double Layer Gasochromic Device

U.S. Patent 6,723,566 Technology Description An anodic double layer gasochromic sensor structure for optical detection of hydrogen in improved response time and with improved optical absorption r..

Molecular Water-Oxidation Catalyst

U.S. Patent 5,223,634 Technology Description A dimeric composition of the formula: ##STR1## wherein L', L", L'", and L"" are each a bidentate ligand having at least one functional substituent, th..

Microwave Impregnation of Porous Materials with Thermal Energy Storage Materials

U.S. Patent 5,202,150 Technology Description A method for impregnating a porous, non-metallic construction material with a solid phase-change material is described. The phase-change material in f..

Method of High-Purity Silane Preparation

Technology Description A process for the preparation of high purity silane, suitable for forming thin layer silicon structures in various semiconductor devices and high purity poly- and single crystal..

Method for Improving the Durability of Ion Insertion Materials

U.S. Patent 6,420,071 Technology Description The invention provides a method of protecting an ion insertion material from the degradative effects of a liquid or gel-type electrolyte material by d..

Method for Charging a Hydrogen Getter

U.S. Patent 5,807,533 Technology Description A method for charging a sample of either a permanent or reversible getter material with a high concentration of hydrogen while maintaining a base pres..

Method and Apparatus for Rapid Biohydrogen Phenotypic Screening of Microorganisms Using a Chemochromic Sensor

U.S. Patent 6,277,589 Technology Description The invention provides an assay system for identifying a hydrogen-gas-producing organism, including a sensor film having a first layer comprising a tr..

High Rate Chemical Vapor Deposition of Carbon Films Using Fluorinated Gases

Technology Description A high rate, low-temperature deposition of amorphous carbon films is produced by PE-CVD in the presence of a fluorinated or other halide gas. The deposition can be performed..

Electrochromic-Photovoltaic Film for Light-Sensitive Control of Optical Transmittance

Technology Description A variable transmittance optical component includes an electrochromic material and a photovoltaic device-type thin film solar cell deposited in a tandem type, monolithic single ..

Electrochromic Projection and Writing Device

Technology Description A display and projection apparatus includes an electrochromic material and a photoconductive material deposited in tandem used in conjunction with a light filtering means for fi..

Buried anode lithium thin film battery and process.

Technology Description A reverse configuration, lithium thin film battery (300) having a buried lithium anode layer (305) and process for making the same. The present invention is formed from a precur..

Photovoltaic Devices Comprising Zinc Stannate Buffer Layer and Method for Making

Technology Description A photovoltaic device has a buffer layer zinc stannate Zn.sub.2 SnO.sub.4 disposed between the semiconductor junction structure and the transparent conducting oxide (TCO) layer ..

Method and Apparatus for Analyzing the Chemical Composition of Liquid Effluent from a Direct Contact Condenser

Technology Description A computational modeling method for predicting the chemical, physical, and thermodynamic performance of a condenser using calculations based on equations of physics for heat, mo..

Heat Exchanger with Transpired, Highly Porous Fins

Technology Description The heat exchanger includes a fin and tube assembly with increased heat transfer surface area positioned within a hollow chamber of a housing to provide effective heat transfer ..

Enhancement of Wall Jet Transport Properties

Technology Description By enhancing the natural instabilities in the boundary layer and in the free shear layer of a wall jet, the boundary is minimized thereby increasing the transport of heat and ma..

n-Type Thiophene Semiconductor Devices (20024)

This invention demonstrates the use of n-type thiophene semiconducting films in the construction and operation of organic light-emitting diodes (OLED), thin film transistors (TFT), field effect transi..

Commercial-Scale Synthesis of p-type Transparent Conductors (21006)

A new process affording a single step route to polycrystalline samples of any delafossite-like (ABO2) material with phase purity has been developed. These materials exhibit luminescence, catalysis, an..

Superconducting Mg-MgB2 and Related Metal Composites and Methods of Preparation (21029)

This invention provides superconducting magnesium diboride (MgB2) materials and methods for their production that overcome present day synthesis limitations. Magnesium diboride has recently been found..

Group III-V Diluted Magnetic Semiconductor Materials and Related Methods of Formation (22025)

The present invention provides a growth technique to achieve epitaxial, single-phase films of III-V diluted magnetic semiconductors (DMSs) with large Mn concentrations that exhibit ferromagnetic order..

III-V Ferromagnetic/Nonmagnetic Semiconductor Magnetodiodes For Use In Magnetic Field Sensors, Gaussmeters, and Other Magnetoresistive Devices (25014)

A novel "spintronic" magnetodiode based on a III-V ferromagnetic semiconductor and a III-V nonmagnetic semiconductor heterojunction has been created by Northwestern researchers. The diodes exhibit a l..

Method of Making Silver Vanadium Oxide Material Useful as a Battery Cathode (27115/27058)

Ag2V4O11 (SVO) and Ag4V2O6F2, (SVOF) are important cathode materials for medical battery applications such as defibrillators. A one-step process has been developed affording crystalline SVO and SVOF b..

SMOFC Battery Cathode (27151/27059)

A novel battery cathode composition having a higher discharge capacity available from silver reduction at a potential above 3V compared to that of the current standard medical battery cathode SVO mate..

Controlled Nanoscale Doping of Transparent Conducting Oxides by Focused Ion Beam Implantation (28091)

An effective method for the spatially-controlled writing of embedded, optically transparent, electrically conducting oxide nanowires and other patterns via focused ion beam implantation into highly re..

Magnetic Electroporation

Background Electroporation is a process by which a biological cell is exposed to a high-voltage electric potential to generate transitory pores in the cell membrane. The pores allow large molecules, s..

Fiber Image Analysis System

Background The quality of any product can be limited or enhanced by the quality of the source material from which it is made, and in the textile industry, this source material is the fiber from which ..

An Auto-Calibrated Refractometer for Single-Shot Measurement of Ultra-Fast Phenomena

Background Materials index of refraction (IOR) is a sensitive measure to variations of density, charge-state, conductivity, temperature, chemical composition, and microscopic structure. IOR measuremen..

A Manual Scan Imaging Sonar

Background Sonar systems of similar application as this invention fall into three categories: single-beam mechanical scan, single-beam hand-held, and multiple-beam hand-held. Existing mechanically sca..

Surface Active Lactams

Background N-lower alkyl pyrrolidones have found wide commercial acceptance as non-toxic, aprotic chemical solvents. However, absence of hydrophobic-lipophobic balance in these molecules prevents mice..

Lower Cost Fuel Cells

Background The advantages of fuel cell use are compelling. Fuel cells are cleaner and safer for the environment, and they offer an alternative to petroleum-burning internal combustion engines. The U.S..

High-Performance Fuel Cell Membrane Materials

Background State-of-the-art fuel cell membranes have many shortcomings. Nafion, one of the most widely available membranes, cannot operate in temperatures in excess of 100 degrees Celsius, and because..

Fabrication of Bioelectronic Material

Background Current fabrication methods of electronic or electroactive materials are inherently 2-D and involve expensive lithographic masks, complicated stamping, etc. Furthermore, current strategies ..

Empowering Ultracapacitors with Chemically Modified Graphene Materials

Background There are two types of electrical energy storage devices: chemical energy storage (batteries) and electrochemical dual-layer capacitors (ultracapacitors). Ultracapacitors are widely used fo..

Chlorine-Resistant Reverse-Osmosis Membrane

Background Current state-of-the-art technology for reverse osmosis filtration of water has one major flaw: the addition of chlorine can cause the membrane to degrade. However, when treating saltwater ..

Advanced Polymer Membranes for the Purification of Hydrogen and Other Gases

Background Current methods for carbon dioxide removal and hydrogen purification are not only very expensive but also cause large losses of gas and use toxic chemicals. The hydrogen required in the ref..

Additive technology to eliminate bio-fouling in membranes; e.g., desalinization

Background One of the major roadblocks to widespread use of membranes for water purification is membrane fouling. Fouling occurs when certain impurities in water are deposited on the surface of a memb..

Individually Addressed Large Scale Patterning of Conducting Polymers by Localized Electric Fields (23097)

A new multiplexed and parallel polymer patterning process, with individual addressability, via electropolymerization within the gap of electrodes has been developed at Northwestern University. The tec..

CUS Focalized Carrier Augmented Sensor (25015)

The invention is a novel avalanche-free single photon detector in the short infrared range that is suitable for ultra-sensitive high-density infrared imaging arrays. The pixel element is low voltage a..

Surface-Immobilized Antimicrobial Peptoids (28138)

Northwestern researchers have developed peptoid mimics of antimicrobial peptides that can be immobilized onto surfaces, rendering these surfaces capable of compromising the membranes of attached bacte..

Constant Force Suspension

There are several drawbacks to a traditional, passive suspension system. First, the system cannot eliminate the transmission of ground irregularities to the passenger. Second, ground disturbances are ..

Analog-to-Digital Conversion Methods and Apparatus Enabled by Active and/or Passive Variable Delay Transmission Lines

Background Technology scaling adversely affects most parameters relevant to analog design, and ADCs are no exception. To achieve a high linearity, high sampling speed, and high dynamic range with low ..

A Manual Scan Imaging Sonar

Background Sonar systems of similar application as this invention fall into three categories: single-beam mechanical scan, single-beam hand-held, and multiple-beam hand-held. Existing mechanically sca..

Photonic Sensor Arrays Based on a Non-Electrical Light Source

Employing xerogel based microdot sensor arrays, wherein recognition chemicals (luminophores) are sequestered, to detect and quantify multiple analytes is described earlier in technology no. 5729. Curr..

Sensor Elements for Aqueous Samples (SEAS

Chemical sensor arrays are low cost, compact, robust and versatile alternatives to large analytical tools and hence drive the need to rapidly fabricate reusable chemical sensor arrays for simultaneous..

Site Selectively Tagged and Templated Xerogels for Sensor Applications

Chemical sensor arrays are low cost, compact, robust and versatile alternatives to large analytical tools and hence drive the need to rapidly fabricate reusable chemical sensor arrays for simultaneous..

CMOS Optical Detectors and Lock-In Amplifiers Used for Detection of Emission from Sensor Array Platforms

Chemical sensor arrays are low cost, compact, robust and versatile alternatives to large analytical tools and hence drive the need to rapidly fabricate reusable chemical sensor arrays for simultaneous..

Pin Printed Chemical Sensor Array for Simultaneous Multi-Analyte Detection

Chemical sensor arrays are low cost, compact, robust and versatile alternatives to large analytical tools and hence drive the need to rapidly fabricate reusable chemical sensor arrays for simultaneous..

Method and System for Controlled Dispersion Acoustic Impulse Signal Based Detection and Imaging of Buried Inclusions in Dry and Wet Granular Beds

invention relates to a method and a system for detecting and imaging the shape, location, and material identity of buried objects at any depth in granular beds. It employs controlled dispersion mechan..

Micromachined Microsensor Arrays for Chemical Sensing Applications

Chemical sensor arrays are low cost, compact, robust and versatile alternatives to large analytical tools like optical spectrometers. This invention describes the rapid fabrication of reusable chemica..

Detection and identification of buried, non-metallic landmines via acoustic sensing

This invention describes a technology appropriate for detection of buried objects such as landmines, buried structures and artifacts in soil beds and inhomogeneities in mass distribution of powders. ..

Low Power Solid-State Sensor Device

This invention describes the design of a novel sensor to quantify molecular Oxygen (O2) based entirely on solid-state electronics. A derivative compound of Ruthenium II has been found to exhibit lumin..

Low Frequency Seismic Accelerometer

This invention describes a sensor for civil engineering applications in earthquake zones and for other applications where low frequency, large dynamic measurement range is required. Earlier technologi..

In-Situ Stress-Strain Sensor

This invention describes a technology that provides a new class of strain/stress sensors. The sensors are short fiber composites. They provide a reversible electrical response to strain/stress applica..

Frequency and phase measurements using the Morlet transform

Introduction Telecommunication systems designed for Bluetooth or other standards deal with transmitted and received signals in the radio frequency (RF) range. Modulation methods and frequency-hopping ..

Application of Grating Light Reflection Spectroscopy in Analytical Sensors

Introduction There are a number of methods for measuring bulk fluid compositions in statics and flow by visible light reflection characteristics from the optically inhomogeneous wall of a vessel. Surf..

Design of Spring Actuators Based on Ferromagnetic Shape Memory

Introduction Shape memory alloys (SMA) and ferromagnetic shape memory alloys (FSMA) have shown tremendous promise for a wide variety of applications because of their ability to “remember” a previ..

Inductive Salinometer with Data Logging Capabilities and Toroidal Sensor

Introduction Salinity levels in seawater are not constant and can vary dramatically both temporally and spatially due to phenomena such as temperature, precipitation, deep-water upwelling, and tidal a..

Crosslinkable Hole Transporting Materials for Organic Lightemitting Diodes

Introduction High-performance organic or polymer light-emitting diodes comprise multilayer configurations having hole-transporting, emissive and electron-transporting layers to balance the injection a..

A Microfluidic Device and Methodology for Rapid, Quantitative Determination of Analyte Concentration in a Fluid Sample

Introduction Advances in microfluidic technology are constantly opening doors to new and exciting applications, especially for biosensors and environmental monitoring. One recent area of interest is p..

Programmable Generation and Transport of Droplets on Microscale Surface Texture Ratchets

Introduction Advances in microfluidic technology are constantly opening doors to new and exciting applications. Currently, many laboratory processes can be combined on a single chip commonly only mill..

Design of Spring Actuators Based on Ferromagnetic Shape Memory Alloys and Composites

Introduction Shape memory alloys (SMA) and ferromagnetic shape memory alloys (FSMA) have shown tremendous promise for a wide variety of applications because of their ability to “remember” a previ..

Inductive Salinometer with Data Logging Capabilities and Toroidal Sensor

Introduction Salinity levels in seawater are not constant and can vary dramatically both temporally and spatially due to phenomena such as temperature, precipitation, deep-water upwelling, and tidal a..

Method of Detecting, Characterizing, and Quantifying Bulk, Light-Element Materials Using High-Energy, Penetrating X-Rays

Introduction X-rays have long been used in the characterization of a wide variety of materials. However, conventional techniques for dealing with light-element (or low-Z) materials, such as those cont..

Respiratory Detection System (RDS)

Introduction Respiration rates are an important indicator of cellular and metabolic states in cells ranging from mammalian to bacterial, from individuals to large populations. Unfortunately, conventio..

Production of Palladium Nanostructures with Shape Selection by Adding Bromide

Introduction Single-crystal, one-dimensional nanostructures of palladium are attractive as interconnects for fabricating nanoscale electronic devices. Polycrystalline, mesoscopic wires made of palladi..

Evanescent Wave Coupling Sensor for Shear/Pressure Measurement

Introduction Lower limb complications associated with diabetes include the development of plantar ulcers that can lead to infection and subsequent amputation. Several authors have postulated that shea..

Application of Grating Light Reflection Spectroscopy in Analytical Sensors

Introduction There are a number of methods for measuring bulk fluid compositions in statics and flow by visible light reflection characteristics from the optically inhomogeneous wall of a vessel. Surf..

Safe last step

Introduction A common cause of injury among orchard workers in Washington state occurs when the user dismounts the ladder. The user often cannot accurately gauge the last step of the ladder because th..

Smart Ladder

Introduction A leading cause of worker injury in the fruit tree industry involves orchard ladder stability and the level of awareness of the user when climbing and dismounting the ladder. Due to cultu..

Method of Creating Self-Assembled, Selectively-Permeable Colloidosome Structures

Summary Colloidosomes are spherical shells of micron-sized particles made by the simple technique of self-assembly onto emulsion droplets. These hollow, elastic capsules are ideal for efficiently enca..

Electric Field Mediated Emulsification in a Flow Focusing Microfluidic Device

Summary This invention describes a microfluidic electro-flow focusing device. The essence of the device is the application of an electric field at a flow focusing junction between two immiscible fluid..

Patterning of metals and metal compounds using ionotropic polymers

Summary Background: Patterning surfaces to create some function is a core technology propelling our technical society. The most important such technology, photolithography, is used to create IC chi..

Microfabricated, Chip-Based, Low-Power Optical Tweezers

Summary Since they were first demonstrated over twenty years ago, optical tweezers have been widely used for the manipulation and measurement of many microscale particles, particularly in the biologic..

Optical Binding AMPERSAND Organizing

Summary Also known as "Optical Binding and Trapping System," this invention creates arrays of extended crystalline and non-crystalline structures using light beams coupled to microscopic polarizable m..

POVM Receiver for Quantum Cryptography

Summary Quantum cryptography relies on the impossibility of ascribing definite values to non-communicating variables in order to assure secrecy of communication. Theoretical and experimental efforts i..

Method and Apparatus for Altering the Velocity of Molecules

Summary The invention relates to a device that alters the translational velocity of gaseous molecules (or atoms) by use of a moving supersonic nozzle. In practice, a source of gas is placed in contact..

Electric Microcontact Printing

Summary This invention has utility in data storage and in preparing surfaces to receive other materials in specific predetermined patterns, such as in nanoxerography. A variant of a microcontact-print..

A method for Fabricating Optical waveguides and other Optical Devices in Three D

Summary This invention describes a method to directly write optical elements in three dimensions inside a transparent material using an unamplified femtosecond laser. Ultrashort pulses from a laser os..

Method of Creating Self-Assembled, Selectively-Permeable Colloidosome Structures

Summary Colloidosomes are spherical shells of micron-sized particles made by the simple technique of self-assembly onto emulsion droplets. These hollow, elastic capsules are ideal for efficiently enca..

Microlens for Projection Lithography and Method of Preparation Thereof

Summary This invention claims a lithographic technique that can inexpensively produce simple, repetitive micropatterns over large areas of at least several square centimeters. It uses an illuminated a..

Microscale Electromagnetic Device

Summary This invention concerns devices and methodology to control the positioning and movement of magnetic and non-magnetic nanoparticles in a fluid with nanometer precision. The devices allow for th..

Nanoscale Electrically Driven Lasers

Summary This invention is the first demonstration of an electrically driven nanoscale laser. A CdS nanowire, comprising a Fabry-Perot cavity, in contact with an electrode distributed along its length ..

Using Electro-magnetically Induced Transparency in Photonic Crystal Cavities to

Summary This invention describes a photonic crystal system which uses electro-magnetically induced transparency (EIT) as the non-linear medium in photonic crystal cavities to obtain devices of unprece..

Keyboard Having Touch Sensor Keys for Conveying Information Electronically

Summary This invention uses an array of sensors, which enable a human to use his fingers or tongue to convey information electronically. The sensors are arranged to produce signal patterns by respondi..

Magneto-Luminescent Transducer

Summary This invention provides a one step process for reading magnetic data and converting the magnetic digital signal directly into an optical signal. This invention enables an electronic system, wh..

Electric Field Mediated Emulsification in a Flow Focusing Microfluidic Device

Summary This invention describes a microfluidic electro-flow focusing device. The essence of the device is the application of an electric field at a flow focusing junction between two immiscible fluid..

Nanometer patterning with Ice

Summary Harvard Cases 2331 and 2440 These inventions involve the use of gases directly solidified onto cryogenically cooled substrates to form conformal thin films as resists for lithographically p..

Coherent Control of Optical Information with Matter Wave Dynamics

Summary The invention is a technique for stopping light pulses, converting them to matter, and then transporting them to another location. A laser pulse is sent toward one Bose-Einstein condensate (BE..

New Nitrate Measurement Method

Summary By employing novel filtration methods, this semi-continuous ambient particulate nitrate monitor measures the concentration of particulate ammonium nitrate (NH4NO3) contained in PM2.5. The ..

Coating Methods and Compositions for Production of Digitized Stereoscopic Polari

Summary The Technology The Stereo Imaging Research Group developed methods, materials and applications for stereoscopic hardcopy. The group's StereoJet process forms polarizing images by inkjet pri..

A Novel Color Filter Array Design

Summary Background In digital imaging applications, data are typically obtained via a spatial subsampling procedure implemented as a color filter array (CFA). CFA assigns a separate primary color t..

POVM Receiver for Quantum Cryptography

Summary Quantum cryptography relies on the impossibility of ascribing definite values to non-communicating variables in order to assure secrecy of communication. Theoretical and experimental efforts i..

A method for Fabricating Optical waveguides and other Optical Devices in Three D

Summary This invention describes a method to directly write optical elements in three dimensions inside a transparent material using an unamplified femtosecond laser. Ultrashort pulses from a laser os..

Microscale Electromagnetic Device

Summary This invention concerns devices and methodology to control the positioning and movement of magnetic and non-magnetic nanoparticles in a fluid with nanometer precision. The devices allow for th..

Nanoscale Electrically Driven Lasers

Summary This invention is the first demonstration of an electrically driven nanoscale laser. A CdS nanowire, comprising a Fabry-Perot cavity, in contact with an electrode distributed along its length ..

Using Electro-magnetically Induced Transparency in Photonic Crystal Cavities to

Summary This invention describes a photonic crystal system which uses electro-magnetically induced transparency (EIT) as the non-linear medium in photonic crystal cavities to obtain devices of unprece..

Keyboard Having Touch Sensor Keys for Conveying Information Electronically

Summary This invention uses an array of sensors, which enable a human to use his fingers or tongue to convey information electronically. The sensors are arranged to produce signal patterns by respondi..

Magneto-Luminescent Transducer

Summary This invention provides a one step process for reading magnetic data and converting the magnetic digital signal directly into an optical signal. This invention enables an electronic system, wh..

Frictionless Nano-bearing

Summary Micro- and nanofabricated rotation and translation devices usually rely on the possibility to support the moving part on small dimples in order to reduce the contact area with the substrate. N..

Novel Surfactants for Stabilizing Emulsions of Water or Hydrocarbon Oil-Based Droplets in a Fluorocarbon Oil Continuous Phase

Summary Emulsions—dispersions of two immiscible fluids—have many applications in industry and everyday life. These range from paints, to crop protection, chemical synthesis, and producti..

Creating Nano-Wrinkles of Virtually any Design on the Surface of Polymers

Summary Creating Nano-Wrinkles of Virtually any Design on the Surface of Polymers Elevator pitch: A new method has been developed at Harvard to design and create virtually any type of nano-wrinkl..

General Approach to Large Area, Controlled Density, Aligned Films of Nanowires and Carbon Nanotubes via Bubble Expansion

Summary Background Central to many proposed electronic device-based applications of nanowires and carbon nanotubes is the development of methods that enable organization over large areas with controll..

Uniform Non-Spherical Colloidal Particles with Tunable Shapes

Summary Background: Non-spherical colloidal particles are useful in advanced applications beyond those that regular spherical colloidal particles exhibit. For example they are useful for modifying ..

Patterning of metals and metal compounds using ionotropic polymers

Summary Background: Patterning surfaces to create some function is a core technology propelling our technical society. The most important such technology, photolithography, is used to create IC chi..

Portable and Inexpensive Chemical and Biological Sensors

Summary The broadly tunable quantum cascade laser (QCL) described in this invention enables the production of a small, portable chemical and biological sensor that can detect a range of molecules with..

Microfabricated, Chip-Based, Low-Power Optical Tweezers

Summary Since they were first demonstrated over twenty years ago, optical tweezers have been widely used for the manipulation and measurement of many microscale particles, particularly in the biologic..

Microfabricated, Chip-Based, Low-Power Optical Tweezers

Summary Since they were first demonstrated over twenty years ago, optical tweezers have been widely used for the manipulation and measurement of many microscale particles, particularly in the biologic..

Microfabricated, Chip-Based, Low-Power Optical Tweezers

Summary Since they were first demonstrated over twenty years ago, optical tweezers have been widely used for the manipulation and measurement of many microscale particles, particularly in the biologic..

Improved Metal Complex Chemical Precursors for Atomic Layer Deposition (ALD) and Chemical Vapor Depostion (CVD) using Bicyclic Guanidines

Summary Continued improvements in semiconductor technologies rely heavily on advanced material compositions such as high-k dielectrics, low-k dielectrics, and electrically conductive metal nitrides. T..

POVM Receiver for Quantum Cryptography

Summary Quantum cryptography relies on the impossibility of ascribing definite values to non-communicating variables in order to assure secrecy of communication. Theoretical and experimental efforts i..

New Nitrate Measurement Method

Summary By employing novel filtration methods, this semi-continuous ambient particulate nitrate monitor measures the concentration of particulate ammonium nitrate (NH4NO3) contained in PM2.5. The ..

Microlens for Projection Lithography and Method of Preparation Thereof

Summary This invention claims a lithographic technique that can inexpensively produce simple, repetitive micropatterns over large areas of at least several square centimeters. It uses an illuminated a..

Microscale Electromagnetic Device

Summary This invention concerns devices and methodology to control the positioning and movement of magnetic and non-magnetic nanoparticles in a fluid with nanometer precision. The devices allow for th..

Nanoscale Electrically Driven Lasers

Summary This invention is the first demonstration of an electrically driven nanoscale laser. A CdS nanowire, comprising a Fabry-Perot cavity, in contact with an electrode distributed along its length ..

Keyboard Having Touch Sensor Keys for Conveying Information Electronically

Summary This invention uses an array of sensors, which enable a human to use his fingers or tongue to convey information electronically. The sensors are arranged to produce signal patterns by respondi..

Nanometer patterning with Ice

Summary Harvard Cases 2331 and 2440 These inventions involve the use of gases directly solidified onto cryogenically cooled substrates to form conformal thin films as resists for lithographically p..

Lift-off Patterning Processes Using Solid-Condensed-Gas Layers As Resists

Summary Harvard Cases 2310 and 2440 These inventions involve the use of gases directly solidified onto cryogenically cooled substrates to form conformal thin films as resists for lithographically p..

Using Electro-magnetically Induced Transparency in Photonic Crystal Cavities to

Summary This invention describes a photonic crystal system which uses electro-magnetically induced transparency (EIT) as the non-linear medium in photonic crystal cavities to obtain devices of unprece..

High Yield Fabrication of Single-Walled Carbon Nanotube Probe Tips for Atomic Force Microscopy

Summary This invention concerns a novel method of making single-walled carbon nanotubes with small diameters (1 - 5 nm) and placing one on an atomic force microscope's (AFM) probe to make a super-sens..

Intensity Referenced Oxygen and Pressure Sensor

Introduction Oxygen and air pressure measurement are used in a number of analytical and monitoring applications. When a single oxygen or pressure sensor is used it is difficult to produce reproducible..

Crosslinkable Hole Transporting Materials for Organic Light Crosslinkable Hole Transporting Materials for Organic Lightemitting

Introduction High-performance organic or polymer light-emitting diodes comprise multilayer configurations having hole-transporting, emissive and electron-transporting layers to balance the injection a..

Multilevel Modulation for Free Space Optical (FSO) Communications and Error Correction Methodology

Introduction Wireless optical links, or free space optics (FSO), enable point-to-point, high-speed communication with low installation costs and high levels of security, and they are especially useful..

Scalable, Rapidly Tunable Wavelength Selective Ring Resonator

Introduction Wavelength-division multiplexing (WDM) is a capacity increasing technology used in fiber-optic communications to carry different optical signals in a single optical fiber. Optical add-dro..

Continuous Production of Microcellular Fibers

Introduction In microcellular plastic foams, inert gas is dissolved in thermoplastic under high pressure. The forced evacuation of this gas during processing creates pores (or cells) within the final ..

Microcellular Foaming of Cyclic Olefin Copolymer (COC)

Introduction Cyclic olefin copolymer (COC) is a commercially available thermoplastic. It possesses exceptional clarity in its natural form, similar to that of glass, and it has high moisture resistanc..

Application of Grating Light Reflection Spectroscopy in Analytical Sensors

Introduction There are a number of methods for measuring bulk fluid compositions in statics and flow by visible light reflection characteristics from the optically inhomogeneous wall of a vessel. Surf..

Scalable, Rapidly Tunable Wavelength Selective Ring Resonator

Introduction Wavelength-division multiplexing (WDM) is a capacity increasing technology used in fiber-optic communications to carry different optical signals in a single optical fiber. Optical add-dro..

Influencing the orientation of chromophores to increase the opticelectric effect

Introduction The electro-optic effect, important for optical communications and quantum optics, occurs in materials that alter their refractive index in the presence of an electrical field. One of the..

Multilevel Modulation for Free Space Optical (FSO) Communications and Error Correction Methodology

Introduction Wireless optical links, or free space optics (FSO), enable point-to-point, high-speed communication with low installation costs and high levels of security, and they are especially useful..

Nanocomposite Photovoltaic Cells

Introduction Photovoltaic cells based on polymer semiconductors are of great interest as a low cost approach to solar energy conversion into electricity. The most efficient polymer solar cells are bas..

Programmable Generation and Transport of Droplets on Microscale Surface Texture Ratchets

Introduction Advances in microfluidic technology are constantly opening doors to new and exciting applications. Currently, many laboratory processes can be combined on a single chip commonly only mill..

Fabrication of Gold Nanocages and Cubic Nanoframes for Biomedical Treatment through Etching Nanoboxes

Introduction Because of their small sizes and unique properties, nanomaterials are finding widespread use in studying complex biological systems. Gold nanostructures have been the subject of intensive..

Production of Palladium Nanostructures with Shape Selection by Adding Bromide

Introduction Single-crystal, one-dimensional nanostructures of palladium are attractive as interconnects for fabricating nanoscale electronic devices. Polycrystalline, mesoscopic wires made of palladi..

Cell and Microparticle Separator Employing Patterned Grooves

Introduction Microscale enrichment and separation are important for various research, biomedical, and industrial uses. Conventional means for these processes typically require specific labels— eith..

Copper Chloride-mediated Synthesis of Silver Nanowires

Introduction Owing to the high electrical and thermal conductivity of bulk silver, the synthesis of Ag nanowires has been and continues to be an area of active research. The properties and application..

Electrospray Evaporative Spray Cooling (EESC)

Introduction As electronic devices get increasingly more powerful and more compact, there are an increasing number of semiconductor components that emit an increasing amount of heat. In order to ensur..

Carbon Nanotubes by Electrospinning with a Polyelectrolyte and Vapor Deposition Polymerization

Introduction Ever since the discovery of carbon nanotubes they attracted a great deal of attention due to the myriad of possible applications, such as in fuel cells, lithium-ion batteries, and superca..

Doped Nanocapsules for Spectrally Selective Uncaging

Introduction Caged compounds are biologically active molecules rendered inactive by a link to a chemical group (the "cage") through a photolabile bond. They are useful in the study of the spatiotempor..

A Polymer-Based Integrated Optical Image Acquisition and Display

Introduction Imaging devices are used in a variety of roles from medical imaging to barcode reading, and as these devices get smaller, their number of potential applications only increases. Endoscopes..

Novel Gadolinium nanoparticles for Magnetic Resonance Lymphatic Imaging

Introduction Gadolinium (Gd3+) is chelated with diethylenentriaminepentaacetyl (DTPA) to provide contrast in magnetic resonance (MR) imaging to identify pathogenic tissues. Unfortunately, the Gd3+-DTP..

Design of Thermal Interface Material Based on High Temperature Shape Memory Alloy for Connecting Two Thermoelectric Legs

Introduction Efficient heat management is crucial for electronics to optimize performance and to avoid premature component deterioration. An area of primary concern is at the interface of adjoining th..

Surface Plasmon Resonance Chemical Electrode

Introduction Sensors based the surface plasmon resonance (SPR) effect sense the refractive index of a thin region adjacent to the sensing surface. If there are several different species present in sol..

Fabrication of Gold Nanocages and Cubic Nanoframes for Biomedical Treatment through Etching Nanoboxes

Introduction Because of their small sizes and unique properties, nanomaterials are finding widespread use in studying complex biological systems. Gold nanostructures have been the subject of intensive..

Shear Sensitive Paint for High-Resolution 2-Dimensional Shear Stress Measurements Over Dynamic Surfaces

Introduction The friction created by air or water moving across an aircraft, vehicle, or boat can have a large impact on efficiency and performance. Extensive design work in air or water tunnels is ty..

Microcellular Foaming of Cyclic Olefin Copolymer (COC)

Introduction Cyclic olefin copolymer (COC) is a commercially available thermoplastic. It possesses exceptional clarity in its natural form, similar to that of glass, and it has high moisture resistanc..

True Three-Dimensional (3-D) Display with Focus Cues

Introduction When viewing a real scene, not everything in the scene is in focus at any given time. Instead the individual viewing the scene accommodates (adjusts the focus of the eye) to bring objects..

Wearable Low Vision Aids Using Retinal Light Scanning Technologies

Introduction Severe visual impairment (those persons classified as legally blind) affects over 1 million Americans currently. With the aging of the U.S. population, this visually impaired segment is e..

A New Protocol of Diels-Alder Lattice Hardening for Highly Efficient Electro-optic Materials Showing Outstanding Temporal Stability over 200 Degrees C

Introduction Organic electro-optic (EO) materials have attracted much interest in the past two decades because of their extensive potential applications in various fields, ranging from waveguides, swi..

Shockwave Reactor

Introduction Ethylene is a commercially important chemical with many applications, and it is especially important as a building block for other, more complex molecules. It is typically made by crackin..

A flexible polymer based smart skin

Introduction For some applications, it is essential to obtain the real time 2-D profiling of certain physical parameters such as temperature, force, pressure, and shear stress on a 3-D object. If the ..

Tissue-Engineered Urinary Bladder Using Autologous Cells

Introduction There is a variety of reasons that a person’s bladder may fail or require removal, including bladder acontractility, cancer, and cystitis. Unfortunately, conventional artificial bladder..

Novel Adsorbent Systems for Water Purification Using Metal Oxide Bound to Substrate and Heated Metal Oxide Particles

Introduction There is an ever increasing need for potable water. Improvements in conventional purification technologies allow for savings in both time and money and ensure that clean water is availabl..

Novel Adsorbent Systems for Water Purification Using Metal Oxide Bound to Substrate and Heated Metal Oxide Particles

Introduction There is an ever increasing need for potable water. Improvements in conventional purification technologies allow for savings in both time and money and ensure that clean water is availabl..

Method of Detecting, Characterizing, and Quantifying Bulk, Light-Element Materials Using High-Energy, Penetrating X-Rays

Introduction X-rays have long been used in the characterization of a wide variety of materials. However, conventional techniques for dealing with light-element (or low-Z) materials, such as those cont..

Nanocellular Foaming of Ultra High Molecular Weight Polyethylene using Ultrasound

Introduction Ultra high molecular weight polyethylene (UHMWPE) is a thermoplastic consisting of molecules of incredibly long chains with molecular weights of several million. It has the highest impact..

Solution Processable n-Type polymers

Introduction Conjugated polymers and organic semiconductors promise great advances in electronics because of the benefits they offer over silicon, including being cheaper with less demanding manufactu..

Continuous Production of Microcellular Fibers

Introduction In microcellular plastic foams, inert gas is dissolved in thermoplastic under high pressure. The forced evacuation of this gas during processing creates pores (or cells) within the final ..

Microcellular Foaming of Cyclic Olefin Copolymer (COC)

Introduction Cyclic olefin copolymer (COC) is a commercially available thermoplastic. It possesses exceptional clarity in its natural form, similar to that of glass, and it has high moisture resistanc..

Design of Thermal Interface Material Based on High Temperature Shape Memory Alloy for Connecting Two Thermoelectric Legs

Introduction Efficient heat management is crucial for electronics to optimize performance and to avoid premature component deterioration. An area of primary concern is at the interface of adjoining th..

Electrochemical Printing for 2 & 3 Dimensional Rapid Fabrication

Introduction Electrochemical Fabrication is the process of manufacturing a wide array of devices by either electrodeposition of pure metal/alloys on substrates or by selectively producing and/or remov..

3-D Tissue Culture Chamber

UW Ref# 7654 Introduction Many of the seminal findings in cell and molecular biology have come from cultures of cells grown in two dimensions but the limitations of biology in just 2D are becoming cle..

Electroactive Polymer Using Shape Memory Alloy

Introduction Shape memory polymers have shown tremendous promise for a wide variety of applications for their ability to “remember” a previous state when heated. Unfortunately, they have been slow..

Improved Design of FSMA Inchworm Actuator

Introduction There is great demand for new, compact, but powerful actuators in a variety of industries which can replace heavy actuators, such as the hydraulic actuator and the electrical motor with g..

Design of Fish Fin Actuators Based on Shape Memory Alloys

Introduction Shape memory alloys (SMA) are metals which can return to their original shape after deformation through the application of heat. They are in wide use for applications ranging from cardiov..

Energy Harvesting Composite Made of Piezoelectric Energy Harvesting Composite Made of Piezoelectric

Introduction Shape memory alloy (SMA) materials are easily deformed at low temperature and return to their original configuration by heating. Via the piezoelectric effect, some materials will produce ..

Design of Active Materials and Structures based on Composites of Shape Memory Alloy and Shape Memory Polymer

Introduction Shape memory alloys (SMA) and shape memory polymers (SMP) have shown tremendous promise for a wide variety of applications because of their ability to “remember” a previous state when..

Advanced Biomimetic Surfaces for Surface-Enhanced Raman Spectroscopy (SERS)

Introduction Raman spectroscopy characterizes molecules by their Raman scattering. As incoming light scatters off a molecule, most does so elastically, neither gaining nor losing energy, and this is k..

Design of coiled ferromagnetic composite plate spring

Introduction In general, motors are constructed by both electro and permanent magnets, and move due to the attractive magnet using force, which originates from these magnets. The motors rotate infinit..

Laser Treatment of Acne Using Scanning Fiber Delivery

Introduction Acne is a problem that affects approximately 85% of all teenagers. The typical drug treatments, such as isotretinoin, are known to have many risks and side effects. Many other over the co..

Multilevel Modulation for Free Space Optical (FSO) Communications and Error Correction Methodology

Introduction Wireless optical links, or free space optics (FSO), enable point-to-point, high-speed communication with low installation costs and high levels of security, and they are especially useful..

Air Velocity Sensor System

Introduction Detailed airflow measurements are not always easy or practical to obtain, especially when needing them over multiple points in time and space, when needing high precision, or when needing..

Method of Detecting, Characterizing, and Quantifying Bulk, Light-Element Materials Using High-Energy, Penetrating X-Rays

Introduction X-rays have long been used in the characterization of a wide variety of materials. However, conventional techniques for dealing with light-element (or low-Z) materials, such as those cont..

Method for the synthesis of carboxylic acids from aldehydes

Invention An improved method for the preparation of carboxylic acids from aldehydes.The improvements consist of reducing the amount of environment polluting chemicals, higher yields and higher reacti..

Novel Stabilization Scheme for Obtaining Single Longitudinal Mode (SLM) Radiation from a Pulsed Nd:Yag laser

Background: Pulsed, q-switched solid-state lasers are an almost ubiquitous light source for powerful, short laser pulses, as used in industry and research labs. Typically, a simple free running cavit..

Sub-5 Nanosecond Neutron Generator for Detection of Explosives

APPLICATIONS OF TECHNOLOGY: - Screening of luggage and cargo for explosives and fissile material - Gamma ray and neutron detection ADVANTAGES: - Produces short 5 nanosecond neutron pulses - Minim..

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