The fluorescence of Mg-Al-Eu ternary layered hydroxides response to tryptophan |
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| Authors: | Chen Yufeng Li Fei Zhou Songhua Wei Junchao Dai Yanfeng Chen Yiwang |
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| Institution: | Department of Chemistry, Nanchang University, People's Republic of China. yfchen@ncu.edu.cn |
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| Abstract: | We have studied the fluorescence of Mg-Al-Eu ternary layered hydroxides (TLH) quenched by tryptophan (Trp). IR spectroscopy was used to evaluate the change of Trp structure which was caused by TLH. XRD and TG-DTA results further suggested a structural change of Trp after being reacted with TLH. XPS characterization confirmed a strong chemical reaction between Trp and TLH. These studies may present more direct evidence to explain the interrelation between the structural change of Trp and the fluorescent quenching of TLH. |
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| Keywords: | Mg–Al–Eu layered hydroxides tryptophan fluorescence quenching |
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