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Aromatic Amino Acids and Ultraviolet Induced Photo-Electric Effects in Bilayer Membranes

  • Jay S. Huebner
  • , Rodolfo T. Arrieta
  • , David B. Millar
  • University of North Florida
  • †Naval Medical Research Institute, National Naval Medical Center, Bethesda, MD 20014, USA

Research output: Contribution to journalArticlepeer-review

Abstract

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.
Original languageAmerican English
Pages (from-to)467-471
Number of pages5
JournalPhotochemistry and Photobiology
Volume35
Issue number4
DOIs
StatePublished - Apr 1982

Disciplines

  • Biochemistry
  • Chemistry

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