Photo of the Day

Photo of the Day
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Thursday, May 06, 2010

Blinking Neurons Give Thoughts Away

Bonn, Germany (SPX) May 06, 2010 - Neurons communicate with one another via so-called action potentials. During an action potential, voltage-gated calcium channels are opened resulting in rapid calcium ion influx. Because of this tight coupling, fluorescent calcium indicator proteins can visualize action potentials. These proteins have two fluorescent subunits, one of which radiates yellow light and the other blue. When the ...

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