Current-Voltage Relations during Illumination: Photoreceptor Membrane of a Barnacle
- 10 October 1969
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 166 (3902), 240-243
- https://doi.org/10.1126/science.166.3902.240
Abstract
In voltage clamped photoreceptor cells of the barnacle, light-induced membrane current varied nonlinearly with membrane potential and changed sign at about + 27 millivolts (reversal potential) independently of light intensity. Instantaneous current-voltage relations were linear and intersected the voltage axis at the reversal potential. Illumination increased membrane conductance that was dependent on membrane potential, light intensity, and time.Keywords
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