核黄素与二氧化钛胶体之间的光致相互作用。
Photoinduced interaction between riboflavin and TiO(2) colloid.
作者信息
Kathiravan A, Renganathan R
机构信息
School of Chemistry, Bharathidasan University, Tiruchirappalli 620024, Tamil Nadu, India.
出版信息
Spectrochim Acta A Mol Biomol Spectrosc. 2008 Dec 1;71(3):1080-3. doi: 10.1016/j.saa.2008.03.004. Epub 2008 Mar 13.
PMID:18420452
Abstract
The adsorption of riboflavin on the surface of TiO(2) colloidal particles and the electron transfer process from its singlet excited state to the conduction band of TiO(2) were examined by absorption and fluorescence quenching measurements. The apparent association constants (K(app)) were determined. The quenching mechanism is discussed involving electron transfer from riboflavin to TiO(2).
摘要
通过吸收和荧光猝灭测量研究了核黄素在TiO(2)胶体颗粒表面的吸附及其单重激发态到TiO(2)导带的电子转移过程。测定了表观缔合常数(K(app))。讨论了涉及核黄素向TiO(2)电子转移的猝灭机制。
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