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Science. 1981 Feb 27;211(4485):942-4.

Retinal chromophore of rhodopsin photoisomerizes within picoseconds.

Abstract

A new picosecond resonance Raman technique shows that resonance Raman lines characteristic of a distorted all-trans retinal appear within 30 picoseconds after photolysis of rhodopsin or isorhodopsin. This finding suggests that isomerization is nearly complete within picoseconds of the absorption of a photon.

PMID:
7466366
[Indexed for MEDLINE]

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