| 光谱学与光谱分析 |
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| Synthesis and Spectral Studies of Functionalized L-Cys-CdS Nanoparticles as Fluorescence Probes |
| DAI Mei-ling1, YAN Zheng-yu1*, PANG Dai-wen2, SHAO Xiu-fen1, QU Ping1, ZHAO Jing-tian1 |
1. Department of Analytical Chemistry, China Pharmaceutical University, Nanjing 210038, China
2. College of Chemistry and Molecule, Wuhan University, Wuhan 430072, China |
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Abstract In this work, nano-CdS was successfully prepared. The nano-CdS was also modified with L-cysteine. Absorption and fluorescence spectra of CdS nanoparticles for different pH values, reaction times and different Cys/Cd2+/S ratios were investigated. Meanwhile a fluorescence enhancing effect was observed between trace zinc ions and the functionalized L-Cys-CdS nanoparticles. The response is linearly proportional to the concentration of zinc ions from 1.0 to 15 μmol·L-1. The functionalized nanoparticles are hopeful of use as fluorescence probes in detecting trace elements in biological samples.
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Received: 2005-05-23
Accepted: 2005-08-28
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Corresponding Authors:
YAN Zheng-yu
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| Cite this article: |
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DAI Mei-ling,YAN Zheng-yu,PANG Dai-wen, et al. Synthesis and Spectral Studies of Functionalized L-Cys-CdS Nanoparticles as Fluorescence Probes [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(08): 1503-1507.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I08/1503 |
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