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Citation: WANG Chunyan, TIAN Jian, YOU Tianyan. Determination of Vitamin B₆ on a Poly(amino black 10B) Modified Electrode[J]. Chinese Journal of Applied Chemistry, ;2011, 28(5): 590-596. doi: 10.3724/SP.J.1095.2011.00536 shu

Determination of Vitamin B₆ on a Poly(amino black 10B) Modified Electrode

WANG Chunyan ^a,b,c ,
TIAN Jian ^b,, ,
YOU Tianyan ^a,,

1.
a State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
2.
b School of Life Science and Technology, Changchun University of Science and Technology, Changchun 130021;
3.
c School of Food Engineering, Jilin Teacher's Institute of Engineering and Technology, Changchun

Corresponding author: TIAN Jian, YOU Tianyan,
Received Date: 14 September 2010
Available Online: 25 November 2010
Fund Project: 国家自然科学基金(20875085)资助项目 (20875085)

A poly(amino black 10B) modified glassy carbon electrode,prepared by electrochemical polymerization was developed for the direct determination of vitamin B₆.The polymer thickness can be controlled by potential circles.The modified electrode shows obvious electrocatalytic activity toward the oxidation of vitamin B 6,since it decreases the oxidation overpotential as well as greatly enhances the oxidation peak current of vitamin B₆.Differential pulse voltammetry and amperometric detection methods were utilized for the measurement of vitamin B 6.The method is very sensitive and simple,and the detection limit is 0.05 μmol/L.Compared with other known modified electrodes,the poly(amino black 10B) modified electrode possesses many advantages such as low detection limit,fast response,good repeatability,low cost and simplicity.The practical application of this modified electrode was demonstrated with vitamin B₆ drugs.
- Vitamin B₆,
- modified electrode,
- amino black 10B,
- electrocatalysis,
- amperometric detection
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Determination of Vitamin B₆ on a Poly(amino black 10B) Modified Electrode