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Direct measurement of the voltage sensitivity of second-harmonic generation from a membrane dye in patch-clamped

Andrew C Millard1, Lei Jin, Aaron Lewis

  • 1Center for Biomedical Imaging Technology, University of Connecticut Health Center, MC-1507, 263 Farmington Avenue, Farmington, Connecticut 06030-1507, USA. andrew.millard@physics.org

Optics Letters
|July 30, 2003
PubMed

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Related Concept Videos

Patch Clamp01:18

Patch Clamp

Many fundamental cell functions such as muscle contraction and nerve transmission rely on the electrical signals produced by the movement of positively and negatively charged ions across the cell membrane. One competent method to record current flowing across the whole cell or single ion channel is the patch-clamp technique.
In this method, a glass micropipette containing electrolyte solution is tightly sealed against a small portion of the cell membrane. As a result, a patch of the cell...