Rhodopsin Photoproducts: Effects on Electroretinogram Sensitivity in Isolated Perfused Rat Retina
- 2 August 1968
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 161 (3840) , 487-489
- https://doi.org/10.1126/science.161.3840.487
Abstract
Isolated perfused retinas of albino rats were exposed to brief saturating flashes of white light which bleached about 50 percent of the rhodopsin present. Transient photoproducts of the reaction could be detected for about 30 minutes. The b-wave threshold increased by some 3 logarithmic units immediately after the flash and remained stable at this level thereafter. This suggests that the longer-lived intermediate products of rhodopsin photolysis do not influence scotopic visual sensitivity.Keywords
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