Browsing by Author "RUCKERT, V"
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- ItemEFFECTS OF PH AND IONIC MICELLES ON THE RIBOFLAVIN-SENSITIZED PHOTOPROCESSES OF TRYPTOPHAN IN AQUEOUS-SOLUTION(ELSEVIER SCIENCE SA LAUSANNE, 1991) SILVA, E; RUCKERT, V; LISSI, E; ABUIN, EThe effects of pH and ionic micelles on the rates of product formation following irradiation of riboflavin in the presence of tryptophan were investigated by absorption and fluorescence spectroscopy. Under anaerobic conditions, formation of riboflavin-tryptophan adducts was inhibited in acid solutions and by the addition of anionic (sodium dodecylsulphate) and cationic (cetyltrimethylammonium bromide) micelles. The oxidation of tryptophan photoinduced by riboflavin was considerably faster in basic solutions.