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NanoLights! Camera! Action!

Tiny semiconductor crystals reveal cellular activity like never before

By
1:09pm, February 11, 2003

Last December, Sanford Simon attended a cell biology meeting where researchers presented picture after picture of cells colorfully highlighted by organic dyes or fluorescent proteins. Speakers also debuted movies–featuring proteins as cellular action heroes. In these little dramas, often lasting only seconds, viewers witnessed the complicated molecular actions underlying cancer, diabetes, and other human diseases.

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