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. 1979 Aug;27(2):317-21.
doi: 10.1016/S0006-3495(79)85220-0.

Voltage transients from photo-isomerizing azo dye in bilayer membranes

J R Duchek, J S Huebner

Voltage transients from photo-isomerizing azo dye in bilayer membranes

J R Duchek et al. Biophys J. 1979 Aug.

Abstract

Voltage transients are induced by brief light flashed on bilayer membranes with absorbed 3,3'-bis(alpha-(trimethylammonium)methyl)azobenzene (Bis-Q). The voltages are positive for trans-to-cis photo-isomerization, and negative for cis-to-trans photo-isomerization. The risetimes in phosphatidylethanolamine-decane bilayer membranes indicate that absorbed trans-Bis-Q is photo-isomerized to cis within 2 microseconds, and that cis is photo-isomerized to trans within 15 microseconds.

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References

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