Thermometer-Like Device Detects Heart Attacks

May-13-15 A new thermometer-like device that detects heart attacks via troponin levels in the blood offers an inexpensive diagnostic alternative for people in remote and developing areas.


To use the device, the patient’s blood serum sample is placed in a glass tube along with a mixture of specialized nanoparticles that will bond with the troponin and a dose of hydrogen peroxide. The tube is then sealed with a cap. As the troponin causes the hydrogen peroxide to break down into water and oxygen, the pressure inside the vial increases. A glass tube containing a small amount of ink and etched with numerical markings is then inserted into the vial’s cap, allowing the amount of pressure to be determined much like reading a mercury thermometer.

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[GIZMAG.COM]
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