不同光谱法用于药物与蛋白相互作用的比较研究

刘保生; 李彤彤; 张秋菊; 崔萌萌; 段韶彤

doi:10.3788/fgxb20163707.0866

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不同光谱法用于药物与蛋白相互作用的比较研究

发光学应用及交叉前沿 | 更新时间：2020-08-12

- 不同光谱法用于药物与蛋白相互作用的比较研究
- Multi-spectrophotometric Methods for The Investigation of The Interactions of Bovine Serum Albumin and Drugs
- 发光学报 2016年37卷第7期页码：866-872
- 作者机构：
  
  河北大学化学与环境科学学院河北省分析科学技术重点实验室,河北保定,071002
- 作者简介：
- 基金信息：
  
  国家自然科学基金(21375032)资助项目()
- DOI：10.3788/fgxb20163707.0866
  中图分类号： O657.3
- 纸质出版日期：2016-7-5，
  
  收稿日期：2016-1-28，
  
  修回日期：2016-4-13，
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刘保生, 李彤彤, 张秋菊等. 不同光谱法用于药物与蛋白相互作用的比较研究[J]. 发光学报, 2016,37(7): 866-872

LIU Bao-sheng, LI Tong-tong, ZHANG Qiu-ju etc. Multi-spectrophotometric Methods for The Investigation of The Interactions of Bovine Serum Albumin and Drugs[J]. Chinese Journal of Luminescence, 2016,37(7): 866-872
刘保生, 李彤彤, 张秋菊等. 不同光谱法用于药物与蛋白相互作用的比较研究[J]. 发光学报, 2016,37(7): 866-872 DOI： 10.3788/fgxb20163707.0866.

LIU Bao-sheng, LI Tong-tong, ZHANG Qiu-ju etc. Multi-spectrophotometric Methods for The Investigation of The Interactions of Bovine Serum Albumin and Drugs[J]. Chinese Journal of Luminescence, 2016,37(7): 866-872 DOI： 10.3788/fgxb20163707.0866.

摘要

在模拟人体生理环境下

利用荧光猝灭法(FQS)、同步荧光法(SYS)、共振光散射法(RLS)及紫外吸收光谱法(UV)分别研究了298 K下牛血清白蛋白与硫酸粘杆菌素、硫酸头孢匹罗、头孢匹胺钠3种药物间的相互作用机理。结果表明:对于相同的体系

利用4种方法计算得到的结合常数在同一数量级

猝灭方式均为生成新物质的静态猝灭

药物与蛋白作用时均以1:1的比例结合

Hill系数近似。但对4种方法所得实验数据的综合比较表明

FQS、SYS更适合用于研究蛋白与药物的反应机理。

Abstract

The interactions between colistin sulfate(CLS)

cefpirome sulfate(CFS)

cefpiramide sodium(CFMS) and bovine serum albumin(BSA) were investigated by fluorescence quenching spectroscopy (FQS)

synchronous fluorescence spectroscopy (SYS)

resonance light scattering (RLS) and UV absorption spectroscopy at 298 K with the simulated physiological condition of the body. The results show that the binding constants of BSA-CLS

BSA-CFS and BSA-CFMS obtained from four methods are at the same order of magnitude

and the quenching mechanism is a static quenching process. The number of binding site (

) in the three system is approximately equal to 1

and the values of Hill's coefficients in the three system are approximately consistent. The comparison to the experimental data for four methods indicates that FQS

SYS seem to be more suitable for the studying of the reaction mechanism of protein and drug.

关键词

牛血清白蛋白荧光猝灭法同步荧光法共振光散射法紫外吸收光谱法

Keywords

bovine serum albuminfluorescence quenching spectroscopysynchronous fluorescence spectroscopyresonance light scattering spectroscopyUV-Vis absorption spectroscopy

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