纤维蛋白原在Pt电极上的界面电化学研究

doi:10.61558/2993-074X.1863

电化学（中英文） ›› 2008, Vol. 14 ›› Issue (1): 56-60. doi: 10.61558/2993-074X.1863

纤维蛋白原在Pt电极上的界面电化学研究

陈松妹;周剑章;林仲华;曾冬梅;黄楠;万国江;

西南交通大学材料学院材料先进技术教育部重点实验室,厦门大学化学化工学院固体表面物理化学国家重点实验室,厦门大学化学化工学院固体表面物理化学国家重点实验室,厦门大学化学化工学院固体表面物理化学国家重点实验室,西南交通大学材料学院材料先进技术教育部重点实验室,西南交通大学材料学院材料先进技术教育部重点实验室四川成都610031,厦门大学化学化工学院,固体表面物理化学国家重点实验室,福建厦门361005,福建厦门361005,福建厦门361005,福建厦门361005,四川成都610031,四川成都610031,厦门大学化学化工学院,固体表面物理化学国家重点实验室,福建厦门361005

收稿日期:2008-02-28 修回日期:2008-02-28 出版日期:2008-02-28 发布日期:2008-02-28

Interfacial Electrochemical Behavior of Fibrinogen on Pt Electrode

CHEN Song-mei1,2,ZHOU Jian-zhang2,LIN Zhong-hua2,ZENG Dong-mei2,HUANG Nan1,WAN Guo-jiang1,2

(1.Key Lab.of advanced Technology of Materials of Education Ministry of China,Collge of Materials Science and Engineering,Southwest Jiaotong University,Chengdu 610031,China;2.State Key Lab.of Physical Chemistry of the Solid Surface,Dept.of Chemistry,Xiamen University,Xiamen 361005,Fujian,China

Received:2008-02-28 Revised:2008-02-28 Published:2008-02-28 Online:2008-02-28

摘要/Abstract

摘要： 应用电化学方法和电化学原位红外反射光谱(electrochemical in-situ FTIR)等研究了纤维蛋白原在Pt电极上的界面电化学行为.结果表明:纤维蛋白原在Pt电极上的吸附使电极的析氢与氧脱附过程减弱,影响程度随扫速的增加而增强;同样纤维蛋白原的吸附会降低亚铁氰化钾-铁氰化钾电对的氧化还原反应可逆性和电流;在-0.1~0.6V(vs.SCE)扫描范围内没有出现纤维蛋白原的特征"氧化还原"峰.电化学原位红外反射光谱测试表明纤维蛋白原在0.3~0.5V(vs.SCE)间发生化学反应,有新的产物生成.

关键词: 纤维蛋白原, 电化学原位红外反射光谱, 吸附, 凝血

Abstract: The interfacial electrochemical behaviors of fibrinogen on Pt electrode in phosphate buffered solution(PBS) was investigated by using cyclic voltammetry and electrochemical in-situ FTIR spectroscopy.The cyclic voltammetry results demonstrated that the fibrinogen adsorb on Pt electrode and impede the interfacial charge transfer of hydrogen ion reaction process as well as of oxygen reduction process,which is increased with higher scan rate.The cyclic voltammetry spectra of platinum absorbed with fibrinogen in K3[Fe(CN)6] and K4[Fe(CN)6]·3H2O solutions shows that the fibrinogen can partly decrease the oxidation and reduction current peaks.There is no specific anodic and cathodic current peaks found to attributed from fibrinogen within potential scanned rang of-0.1~0.6V(vs.SCE).Nevertheless,electrochemical in-situ FTIR spectra indicate the fibrinogen undergo chemical reaction when which anodic potential higher than 0.3~0.5V(vs.SCE).

Key words: fibrinogen, electrochemical in-situ FTIRS, interfacial electrochemical behavior, coagulation

中图分类号:

O646

陈松妹, 周剑章, 林仲华, 曾冬梅, 黄楠, 万国江, . 纤维蛋白原在Pt电极上的界面电化学研究[J]. 电化学（中英文）, 2008, 14(1): 56-60.

CHEN Song-mei, ZHOU Jian-zhang, LIN Zhong-hua, ZENG Dong-mei, HUANG Nan, WAN Guo-jiang, . Interfacial Electrochemical Behavior of Fibrinogen on Pt Electrode[J]. Journal of Electrochemistry, 2008, 14(1): 56-60.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.1863

https://electrochem.xmu.edu.cn/CN/Y2008/V14/I1/56

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纤维蛋白原在Pt电极上的界面电化学研究

Interfacial Electrochemical Behavior of Fibrinogen on Pt Electrode

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