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Photoinduced interaction of riboflavin dye with different reducing agents in aqueous and liposome media.
Chemistry and Physics of Lipids ( IF 3.4 ) Pub Date : 2004-01-17 , DOI: 10.1016/j.chemphyslip.2003.11.001
Benoy B Bhowmik 1 , Arpita Sil
Affiliation  

The photoelectrochemical and spectral studies of riboflavin have been carried out in aqueous and phosphatidylcholine (PC) liposome media in presence of different reducing agents such as I-, Br-, Cl-, Fe2+, Fe(CN)6(4-) and Cu+. The results from both the studies support the photoinduced electron transfer from the reducing agent to the excited riboflavin dye. Moreover, a good correlation between photovoltages/Stern-Volmer quenching constants versus reduction potentials of the reducing agents also confirms the above electron transfer in the photoexcited state. An alternative method has been developed to determine the Stern-Volmer quenching constant.

中文翻译:

核黄素染料与水性介质和脂质体介质中不同还原剂的光诱导相互作用。

核黄素的光电化学和光谱研究已在水性脂质体和磷脂酰胆碱(PC)脂质体介质中,在存在不同还原剂(例如I-,Br-,Cl-,Fe2 +,Fe(CN)6(4-)和Cu +)的情况下进行。两项研究的结果都支持从还原剂到激发核黄素染料的光诱导电子转移。此外,光电压/ Stern-Volmer猝灭常数与还原剂的还原电位之间的良好相关性也证实了在光激发态下的上述电子转移。已经开发出另一种方法来确定斯特恩-沃尔默淬灭常数。
更新日期:2019-11-01
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