Microfluidic Device Diagnoses Dengue from Saliva

Feb-06-15 A new rapid diagnostic test kit can detect dengue from a saliva sample in as little as twenty minutes and differentiate between primary and secondary infections.

Although saliva samples are easier to obtain than blood samples, saliva tends to interfere with the sensor nanomaterials used in commercially-available lab-on-a-chip devices.

The device, created by A*STAR of Singapore, features a fiberglass matrix that removes the substances in the saliva that would interfere with the sensors. The now-clean sample is then sent through the channels to mix with sensor nanoparticles. The device can be used in the field and operated with very little training, and its ability to detect early-stage secondary dengue infection ensures even more effective patient care.

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[MEDGADGET.COM]
[A-STAR.EDU.SG]

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