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Tiny Chips promise Swift Disease Diagnosis from a Single Breath

Out of thin air: Researchers create microchips capable of detecting and diagnosing diseases
Site-selective immobilization of different bioreceptors on individual field-effect transistors, achieved through the use of thermal scanning probe lithography. Each bioreceptor can be tuned to detect a different disease. Credit: NYU Tandon School of Engineering

In a world grappling with a multitude of health threats—ranging from fast-spreading viruses to chronic diseases and drug-resistant bacteria—the need for quick, reliable, and easy-to-use home diagnostic tests has never been greater. Imagine a future where these tests can be done anywhere, by anyone, using a device as small and portable as your smartwatch. To do that, you need microchips capable of detecting miniscule concentrations of viruses or bacteria in the air.

Now, new research shows it’s possible to develop and buil...

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