Study on the Electrochemical Behaviors of GC Electrode Modified with Carbon Nanotube-Polyelectrolytes and its Application for Rutin Detection

Authors

Liang HUA
Xia-Qin WU
Rong WANG

Corresponding Author

Xia-Qin WU

Abstract

The electrochemical behaviors of rutin and ascorbic acid at single-wall carbon nanotube and polyelectrolytes (dimethyl-diallylammonium chloride, PDDA) film modified glassy carbon electrode was investigated. The cyclic voltammetric results showed that electron transfer of rutin at PDDA/SWCNTs/GC modified electrode is an adsorption-controlled process. The separation of oxidation peak potentials of rutin and ascorbic acid was more than 200 mV. The rutin concentration in the presence of AA were detected by differential pulse voltammetry (DPV). The experimental results indicated that the PDDA/SWCNTs/GC modified electrode can be used for the detection of rutin in the presence of high concentration of AA. The DPV results showed that the oxidation peak current of rutin versus its concentration had a good linearity in the range of 2.5～110 ?mol/L with a correlation coef?cient of 0.9914. The detection limit was 0.5 ?mol/L. The proposed method had been successfully applied to the detection of compound rutin tablets.

Graphical Abstract

Keywords

Rutin, ascorbic acid, Polyelectrolytes, carbon nanotubes, modified electrode

DOI Link

https://doi.org/10.61558/2993-074X.2841

Publication Date

2011-08-28

Online Available Date

2011-07-25

Revised Date

2011-07-11

Received Date

2011-06-07

Recommended Citation

Liang HUA, Xia-Qin WU, Rong WANG. Study on the Electrochemical Behaviors of GC Electrode Modified with Carbon Nanotube-Polyelectrolytes and its Application for Rutin Detection[J]. Journal of Electrochemistry, 2011 , 17(3): Article 8.
DOI: 10.61558/2993-074X.2841
Available at: https://jelectrochem.xmu.edu.cn/journal/vol17/iss3/8