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۱Electrochemical Studies of Dopamine Using Titanium Dioxide Nanoparticle Modified Carbon Paste Electrode
اطلاعات انتشار: Analytical & Bioanalytical Electrochemistry، هفتم،شماره۲، Apr ۲۰۱۵، سال
تعداد صفحات: ۱۱
Titanium Dioxide (TiO2) nanoparticles were synthesized by the precipitation method. The obtained products were characterized by X–ray diffraction (XRD) and scanning electron microscopy (SEM). As synthesized TiO2 nanoparticles were used for the modification of carbon paste electrode (MCPE). Electrochemical determination of dopamine was carried out using phosphate buffer solution at pH 7.2. MCPE exhibit excellent electrochemical sensor for dopamine having high sensitivity and reproducibility. Potentially interfering compounds did not interfere for determination of DA at a surface of propose sensor in the optimum condition. The proposed sensor was successfully applied for the determination of DA in real samples such as DA in injections.
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