Electrochemical Properties And Electrochemical Kinetics Of Drugs Molecules At Graphene And Functional Materials Composite Modified Carbon Paste Electrode

This thesis investigates the electrochemical behaviors,the electrochemical kinetics of Albendazole(ABZ)at graphene(GR)and ionic liquids N-butylpyridinium hexafluorophosphate([Bupy]PF6),Copper sulfide-decorated reduced graphene oxide(CuS/GR)and 3-Aminopropyltriethoxysilane(APTS)modified carbon paste electrode GR-[Bupy]PF6/CPE,CuS/GR-APTS/CPE.The electrochemical behaviors,the electrochemical kinetics of Fenbendazole(FBZ)at graphene(GR)and ionic liquids N-butylpyridinium hexafluorophosphate([Bupy]PF6)modified carbon paste electrode GR-[Bupy]PF6/CPE.The electrochemical behaviors,the electrochemical kinetics of Lisinopril(LSP)at Copper sulfide-decorated reduced graphene oxide(CuS/GR)and acetylene black(AB)modified carbon paste electrode CuS/GR-AB/CPE,respectively.The main contents of research work are concluded in the following:?Graphite power as raw material,the Hummers and Offeman methods were used for synthesis of graphene(GR)at first,a facile one-pot method for synthesis of CuS nanoparticles decorated graphene sheets(CuS/GR)at the same time.GR and[Bupy]PF6,CuS/GR and APTS were used as modified agents to fabricated modified carbon electrode GR-[Bupy]PF6/CPE,CuS/GR-APTS/CPE,also characterized by cyclic voltammetry(CV)and electrochemical impedance(EIS).Electrochemical behaviors of ABZ at GR-[Bupy]PF6/CPE,CuS/GR-APTS/CPE were studied by CV and SWV;The influence of experimental conditions such as pH value.scanning rates on the ABZ voltammetric behavior were investigated.The electrochemical kinetic parameters for the electrode reaction process of ABZ at GR-[Bupy]PF6/CPE,CuS/GR-APTS/CPE were calculated.The proposed novel SWV method is effective for the determination of ABZ in commercial tablet samples.?GR and[Bupy]PF6 were used as modified agents to fabricated modified carbon electrode GR-[Bupy]PFe6/CPE,also characterized by cyclic voltammetry(CV)and electrochemical impedance(EIS).Electrochemical behaviors of FBZ at GR-[Bupy]PF6/CPE were studied by CV and SWV;The influence of experimental conditions such as pH value?scanning rates on the FBZ voltammetric behavior were investigated.The electrochemical kinetic parameters for the electrode reaction process of FBZ at GR-[Bupy]PF6/CPE,were calculated.The proposed novel SWV method is effective for the determination of FBZ in commercial tablet samples.?CuS/GR and AB were used as modified agents to fabricated modified carbon electrode CuS/GR-AB/CPE,also characterized by cyclic voltammetry(CV)and electrochemical impedance(EIS).Electrochemical behaviors of LSP at CuS/GR-AB/CPE were studied by CV and SWV;The influence of experimental conditions such as pH value?scanning rates on the LSP voltammetric behavior were investigated.The electrochemical kinetic parameters for the electrode reaction process of LSP at CuS/GR-AB/CPE were calculated.The proposed novel SWV method is effective for the determination of LSP in commercial tablet samples.