Image of the Month

Roisin McGuigan | 10/11/2017

Researchers have developed a cheap and disposable diagnostic tool powered only by your fingertips. The user taps the triboelectric generator on the bottom of the self-powered paper-based electrochemical device (SPED), and electricity from the tips of the fingers is accumulated in a potentiostat. The user places a fingerprick blood sample on top of the testing region, and a measurement of different analytes, such as glucose or lactic acid, is provided in under 30 seconds. The team envisions the test being used for diagnostics in low-resource settings or by military personnel deployed in remote locations.

Credit: Purdue University photo/Aniket Pal

Reference: A Pal et al., “Self-Powered, Paper-Based Electrochemical Devices for Sensitive Point-of-Care Testing” Adv Mater Technol, 1700130 (2017).

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Fields & Applications Sensors, Clinical

Roisin McGuigan

I have an extensive academic background in the life sciences, having studied forensic biology and human medical genetics in my time at Strathclyde and Glasgow Universities.

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