FLAVIN PIGMENTS EMBEDDED IN LIPID MATRICES - SPECTROSCOPIC AND PHOTO-CHEMICAL INVESTIGATION

被引:14
作者
HEELIS, PF [1 ]
PARSONS, BJ [1 ]
PHILLIPS, GO [1 ]
BARGHIGIANI, C [1 ]
COLOMBETTI, G [1 ]
LENCI, F [1 ]
MCKELLAR, JF [1 ]
机构
[1] CNR,STUDIO PROPRIETA FIS BIOMOLEC CELLULE LAB,I-56100 PISA,ITALY
关键词
D O I
10.1111/j.1751-1097.1979.tb07170.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Abstract— –The spectroscopic properties of riboflavin tetrabutyrate have been studied in lecithin lipo‐somes and several detergent micellar systems. The results indicate that the flavin chromophore is located close to the liposome‐water interphase rather than in the hydrophobic region. By varying the number of flavins contained in each liposome and employing fluorescence spectroscopy and steady state photolysis techniques, the possible existence of two distinct environments for the flavin chromophore was demonstrated. Several basic photochemical properties of riboflavin tetrabutyrate in liposomes and micellar systems were investigated using laser flash and microsecond flash photolysis techniques. Copyright © 1979, Wiley Blackwell. All rights reserved
引用
收藏
页码:507 / 512
页数:6
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