Scientists invent device that controls, measures dynamics of chemicals in live tissue

Measuring an electrical current in an organism is pretty straightforward. All you need is an electrode. Measuring the flow of chemicals in cells or live tissue, however, is much more difficult because the molecules diffuse, mix with one another, and interact with their surroundings.

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<p><a href="http://www.physorg.com/news144344255.html">Scientists invent device that controls, measures dynamics of chemicals in live tissue</a></p> <p>Measuring an electrical current in an organism is pretty straightforward. All you need is an electrode. Measuring the flow of chemicals in cells or live tissue, however, is much more difficult because the molecules diffuse, mix with one another, and interact with their surroundings. </p>