| 光谱学与光谱分析 |
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| Study on Interaction of Caffeine and Theophylline with Bovine Serum Albumins |
| BIAN Wei1,WEI Yan-li2,WANG Ya-ping2,DONG Chuan2 |
1. Medical University of Shanxi, Taiyuan 030001, China
2. Chemistry and Chemical Engineering College, Shanxi University, Taiyuan 030006, China |
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Abstract The interation of caffeine and theophylline with bovine serum albumins has been studied by fluorescence spectroscopy. The results indicated that enoxacin could bind with BSA strongly at molar ratio 1∶1 and the equilibrium constants were Kc=1.673×104 L·mol-1 and Kt=6.802×103 L·mol-1,respectively. Good linear Stern-Volmer lines were observed on the fluorescence of BSA quenched by enoxacin of different concentration, indicating that the combination reaction of enoxacin with BSA is a single static quenching process.
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Received: 2005-04-21
Accepted: 2005-11-08
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Corresponding Authors:
BIAN Wei
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| Cite this article: |
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BIAN Wei,WEI Yan-li,WANG Ya-ping, et al. Study on Interaction of Caffeine and Theophylline with Bovine Serum Albumins[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(03): 505-508.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I03/505 |
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