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《Journal of Liaoning Shihua University》 2017-03
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Determination of Quercetin at Poly (Crystal Violet) Modified Glassy Carbon Electrode

Tang Jing;Zheng Shengbiao;Wang Wei;Zhang Yan;Wan Hai;Liu Li;College of Chemistry and Material Engineering,Anhui Science and Technology University;PetroChina Fushun Petrochemical Company;  
The poly(crystal violet)modified electrode(PCV/GCE)was prepared by cyclic voltammetry polymerization under alkaline conditions and the electrode was characterized.The electrochemical behavior of quercetin(Quercetin)on the modified electrode was investigated.The results show that poly(crystal violet)modified electrode has better electrocatalytic activity for the oxidation reduction of quercetin,the redox potential difference in PCV/GCE decreases,and the peak current increases obviously.The crystal violet on the electrode surface acts as a transfer mediator to accelerate the electron transport during the electron transfer of quercetin.In the PBS buffer solution with pH=6.5 and concentration of 0.10mol/L,the differential pulse voltammetry(DPV)response of the poly crystal violet modified electrode is linear with quercetin 0.10~60.0μmol/L,and the detection limit was 0.05μmol/L(S/N=3).The crystal violet modified electrode has good performance in terms of stability,selectivity and reproducibility.The electrode is used to detect the content of quercetin in the liver tablets.The recovery rate is 98.97%~102.01%.
【Fund】: 安徽省教育厅自然科学重点项目(KJ2017A506);; 安徽科技学院重点学科(AKZDXK2015A01);安徽科技学院自然科学研究项目(ZRC2016485);; 安徽省自然科学青年基金项目(1508085QB41)
【CateGory Index】: O657.1;TQ460.72
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【Citations】
Chinese Journal Full-text Database 2 Hits
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【Co-citations】
Chinese Journal Full-text Database 9 Hits
1 XU Yan1,2,WANG Qi-hui1,LIU Hui-hong 1(1.School of Chemical Engineering and Food Science,Xiangfan University,Xiangfan 441053,China;2.No.3 Middle School,Yicheng 441000,China);Catalytic Oxidation of Ascorbic Acid by Quercetin Modified Electrode[J];襄樊学院学报;2009-02
2 YANG Yuan-qi,XUE Jun,LAI Xiao-qi(School of Chemistry and Life science,Gannan Normal University,Ganzhou 341000,China);Study on Kinetic Spectrophotometric Determination of Trace Quercetin[J];赣南师范学院学报;2008-06
3 TANG Lijun,CHEN Xiang,CHOU Peihong(School of Pharmacy,Wenzhou Medical College,Wenzhou 325035,China);Recent Progress in the Study of Flavonoid Complexes[J];广东微量元素科学;2008-12
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