January 15, 2013

Electronic Sensors One Molecule Wide

Matthew Francis, Ars Technica

AP Photo

Detection of substances on the single-molecule level could provide a helpful too for pharmacology, medicine, and product safety. But toxic or otherwise unwanted substances sometimes have a low molecular weight, making them hard to sense. To make a sensor for these molecules, you need materials with special properties, such that their interactions trigger an abrupt change in behavior.

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TAGGED: Sensors