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AROMATIC AMINO ACIDS AND ULTRAVIOLET INDUCED PHOTO‐ELECTRIC EFFECTS IN BILAYER MEMBRANES
Author(s) -
Huebner Jay S.,
Arrieta Rodolfo T.,
Millar David B.
Publication year - 1982
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1982.tb02595.x
Subject(s) - membrane , bilayer , chemistry , chromophore , photochemistry , ultraviolet , oxygen , aqueous solution , ultraviolet light , lipid bilayer , amino acid , biophysics , organic chemistry , materials science , biochemistry , optoelectronics , biology
— Ultraviolet light flashes induced voltage transients across bilayer lipid membranes when aromatic amino acids were adsorbed to one side of the membrane. These photo‐effects varied with the chromophore structure, the aqueous solution salt concentration, pH and oxygen partial pressure. These photo‐effects are attributed to the migration of electrically charged photochemical intermediates in the membrane, and provide a new method for studying the effects of UV light on membranes.