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Selectively colorimetric detection of cysteine with triangular silver nanoprisms |
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| Authors: | Tong Wua Yuan Fang Lia Cheng Zhi Huang a College of Pharmaceutical Sciences MOE Key Laboratory on Luminescence Real-Time Analysis Southwest University Chongqing PR China b College of Chemistry Chemical Engineering PR China |
| Institution: | a College of Pharmaceutical Sciences, MOE Key Laboratory on Luminescence and Real-Time Analysis, Southwest University, Chongqing 400715, PR China;b College of Chemistry and Chemical Engineering, MOE Key Laboratory on Luminescence and Real-Time Analysis, Southwest University, Chongqing 400715, PR China |
| Abstract: | Triangular silver nanoprisms were prepared and applied to make colorimetric detection of cysteine based on our findings that cysteine could lead to the blue shift of the dipole plasmon resonance absorption,but other 19 kinds of natural amino acids could not.Cysteine with a concentration 160 nmol/L can result in a color change that can be discerned with naked eyes. |
| Keywords: | Triangular silver nanoprisms Cysteine Colorimetrie detection |
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