Rhodopsin is a biological pigment that serves as the primary photoreceptor in vision (Science 266 [1994]: 422).

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Rhodopsin is a biological pigment that serves as the primary photoreceptor in vision (Science 266 [1994]: 422). The chromophore in rhodopsin in retinal, and the absorption spectrum of this species is centered at roughly 500 nm. Using this information, determine the value of qE for retinal. Do you expect thermal excitation to result in a significant excited-state population of retinal?

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Physical Chemistry

ISBN: 978-0321812001

3rd edition

Authors: Thomas Engel, Philip Reid

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