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Simultaneous determination of ascorbic acid, epinephrine, and uric acid by differential pulse voltammetry using poly(p-xylenolsulfonephthalein) modified glassy carbon electrode

Authors: Ali A Ensafi, M Taei, T Khayamian
Publication date: 2010/9/1
Journal name: Colloids and Surfaces B: Biointerfaces
Volume: 79
Pages: 480-487
Publisher: Elsevier
 
A novel poly (p-xylenolsulfonephthalein) modified glassy carbon electrode was prepared for
the simultaneous determination of ascorbic acid (AA), epinephrine (EP) and uric acid (UA).
Cyclic voltammetric, chronoamperometric, and differential pulse voltammetric methods were
used to investigate the modified electrode for the electrocatalytic oxidation of EP, AA, and
UA in aqueous solutions. The separation of the oxidation peak potentials for AA–EP and EP–
UA was about 200 and 130mV, respectively. The calibration curves obtained for AA, EP, ...

http://www.sciencedirect.com/science/article/pii/S0927776510002560

Journal Papers
Month/Season: 
September
Year: 
2010

تحت نظارت وف ایرانی

Simultaneous determination of ascorbic acid, epinephrine, and uric acid by differential pulse voltammetry using poly(p-xylenolsulfonephthalein) modified glassy carbon electrode | Prof. Ali A. Ensafi

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تحت نظارت وف ایرانی