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Web Date: November 3, 2010

What A Cell Wants — Chemically Speaking

Microfluidics: A novel microfluidic device probes bacterial movement along chemical gradients
Department: Science & Technology
News Channels: Analytical SCENE
Keywords: chemotaxis, microfluidics, chemical gradient, motility

In classic cartoons, characters drift along wafting scent trails toward freshly baked pies. Similarly, through a process called chemotaxis, bacteria navigate chemical concentration gradients in search of food and friends, and away from poisons and predators.

Chemotaxis represents a classic example of how cells respond to their environments. Researchers have studied it for years, most recently, by watching cells swim through microfluidic devices toward chemicals that attract them. Now Kim Taesung and Kim Minseok . . .

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Chemical & Engineering News
ISSN 0009-2347
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