Voltammetric Determination of Isoproterenol using a Graphene Oxide Nano Sheets Paste Electrode |
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Authors: | Sayed Zia Mohammadi Hadi Beitollahi Hamidreza Fadaeian |
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Affiliation: | 1.Department of Chemistry,Payame Noor University,Tehran,Iran;2.Environment Department, Institute of Science and High Technology and Environmental Sciences,Graduate University of Advanced Technology,Kerman,Iran |
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Abstract: | 3-(4'-Amino-3'-hydroxy-biphenyl-4-yl)-acrylic acid, was synthesized and used to construct a modified-graphene oxide nano sheets paste electrode. The electro-oxidation of isoproterenol at the surface of the modified electrode was studied using cyclic voltammetry, chronoamperometry, and square wave voltammetry. Under the optimized conditions, the square wave voltammetric peak currents of isoproterenol increased linearly with isoproterenol concentrations in the range of 2.5 × 10–8 to 2.0 × 10–5 M and detection limit of 12 nM was obtained for isoproterenol. Finally this modified electrode was used for determination of isoproterenol in some real samples. |
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