黄素-色氨酸二元体系中蓝光诱导自由基离子对的时间分辨电子顺磁共振观测
Time-resolved EPR observation of blue-light-induced radical ion pairs in a flavin-Trp dyad.
作者信息
Oka Yoshimi, Inoue Katsuya
机构信息
Frontier Research Core for Life Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
Research Promotion Institute, Oita University, 700 Dannoharu, Oita 870-1192, Japan.
出版信息
Phys Chem Chem Phys. 2024 Jun 12;26(23):16444-16448. doi: 10.1039/d3cp06219h.
A dyad of flavin and Trp bridged by a -phenylamide linker was synthesized as an artificial model system to investigate molecular-based magnetic-field sensors relevant to blue-light photoreceptor proteins. The results demonstrated that intramolecular electron transfer generates a radical pair, only the triplet-born one of which has a microsecond lifetime at room temperature.
合成了一种由β-苯甲酰胺连接基桥连的黄素和色氨酸二元体系，作为一种人工模型系统，用于研究与蓝光感光蛋白相关的基于分子的磁场传感器。结果表明，分子内电子转移产生一个自由基对，其中只有由三重态产生的自由基对在室温下具有微秒级的寿命。
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