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Electrocatalytic Reduction and Determination of Nitric Oxide at a Hemoglobin Modified Electrode

 

作者: Ai-min Yu,   Hai-li Zhang,   Hong-yuan Chen,  

 

期刊: Analytical Letters  （Taylor Available online 1997）
卷期: Volume 30, issue 5  

页码: 1013-1023

 

ISSN:0003-2719

 

年代: 1997

 

DOI:10.1080/00032719708002314

 

出版商: Taylor & Francis Group

 

关键词: Nitric oxide;Hemoglobin;Chemically modified electrode;Electrocatalysis;Amperometric detection

 

数据来源: Taylor

 

摘要:

The chemically modified electrode, which was constructed by depositing hemoglobin at the surface of glassy carbon electrode, shows significant electrocatalytic activity to the reduction of nitric oxide. The cathodic peak potential is −0.68V (vs.SCE). The effect of solution pH on the electrochemistry of nitric oxide was also studied. When used as an amperometric detector, the current is linear with concentration in the range from 2.9×10−4M to 1.1×10−2M and the detection limit is 1×10−4M nitrite.

 

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