A new light-trapping sensor makes infrared absorption more sensitive, inexpensive and versatile. It may improve scientists' ability use to sleuth out performance-enhancing drugs in blood samples, tiny particles of explosives in the air and more.
A new light-trapping sensor makes infrared absorption more sensitive, inexpensive and versatile. It may improve scientists' ability use to sleuth out performance-enhancing drugs in blood samples, tiny particles of explosives in the air and more.
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