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JoVE Journal
Biology

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Measuring the Induced Membrane Voltage with Di-8-ANEPPS
 

Measuring the Induced Membrane Voltage with Di-8-ANEPPS

Article DOI: 10.3791/1659
November 19th, 2009

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Summary November 19th, 2009

External electric field induces a voltage on the membrane of a cell, termed the induced membrane voltage (ΔΦ). By using the potentiometric dye di-8-ANEPPS, it is possible to measure the ΔΦ noninvasively. This video shows the protocol for measuring ΔΦ using di-8-ANEPPS.

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