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Salicyaldehyde-based fluorescent sensors with high sensitivity for amino acids |
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| Authors: | Xi Huai Qiang Zhi Hui Gaoa Xue Chuan Wanga Jian Zheng Lib Hui Zongb Chi Min Du a Shaanxi University of Science Technology Xian China b Beijing Fanbo Biochemical Company Beijing China |
| Institution: | a Shaanxi University of Science and Technology, Xian 710021, China;b Beijing Fanbo Biochemical Company, Beijing 100000, China |
| Abstract: | Structurally simple salicylaldehyde-based fluoreseent sensors for amino acids have been obtained by one-step or two-step synthesis.These sensors show significant fluorescence enhancement in the presence of many amino acids at concentrations as low as 10~5 mol/L.The reversible reaction of the aldehydes with amino acids to form imines in aqueous solution is proposed to account for the observed fluorescence enhancement. |
| Keywords: | Amino acids Fluorescent sensors Simple Highly sensitive |
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