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Nanoflashlight Could Turn Mobile Devices into Powerful Biosensors

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CAMBRIDGE, Mass., May 4, 2021 — Researchers at MIT built a device that they describe as a “nanoscale flashlight” on a chip. The device overcomes a limitation of spectroscopy, in that spectrometers are relatively large instruments. Much like a spectrometer, the MIT team’s nanoflashlight shines a beam of light on a material, analyzes the light after it has passed through the material at several wavelengths, and captures the interactions of light with the material for each color. The researchers believe the compact flashlight could turn cellphones into sensors that would detect viruses and other...Read full article

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