Development of an electrode modified on the basis of carbon nanoparticles and reduced graphene oxide for simultaneous determination of isoproterenol, uric acid and tryptophan in real samples
作者： M. Mazloum-Ardakani , N. Rajabzadeh , A. Dehghani-Firouzabadi , A. Benvidi , B.B.F. Mirjalili
DOI: 10.1016/J.JELECHEM.2015.11.033
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摘要: Abstract In this research, the electrochemical properties of a carbon paste electrode modified by synthesized nanoparticles (CNPs), reduced graphene oxide (RGO), and novel derivative hydroquinone, (Z)-4-(naphthalen-1-ylimino methyl) benzene-1, 2-diol, (NYB) were studied cyclic voltammetry. The was used as an sensor for catalytic oxidation isoproterenol (IP), it exhibited excellent electrocatalytic activity IP with good performance, low overpotential high conductivity. It found that under optimum conditions (pH = 7.0) in voltammetry, potential would decrease to about 324 mV at compared unmodified electrode. Differential pulse voltammetry (DPV) two linear dynamic ranges 0.5 80.0 μM 80.0 1000.0 μM IP. Also, selectivity prepared checked determination presence uric acid (UA) Tryptophan (Try). detection limit be 0.065 μM.
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