Gene silencer and quantum dots reduce protein production to a whisper

Monday, June 23, 2008 - 18:21 in Physics & Chemistry

Each of these jars contains the same substance. The difference is the size of the particles. Quantum dots, suspended in liquid, absorb white light and then reemit it in a specific color that depends on the particle's size. Each quantum dot is about one ten-millionth of an inch in diameter and is composed of a few hundred atoms of material. Credit: Xiaohu Gao, University of Washington

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