Citation: Tong Wu, Yuan Fang Li, Cheng Zhi Huang. Selectively colorimetric detection of cysteine with triangular silver nanoprisms[J]. Chinese Chemical Letters, ;2009, 20(5): 611-614. doi: 10.1016/j.cclet.2009.01.024 shu

Selectively colorimetric detection of cysteine with triangular silver nanoprisms

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

Received Date: 4 September 2008

Fund Project: We greatly appreciate the financial support of the Ministry of Science and Technology of the People's Republic of China (No.2006CB 933100).

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.
- Triangular silver nanoprisms,
- Cysteine,
- Colorimetric detection
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