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NANOSTRUCTURED GRAPHENE-MODIFIED GRAPHITE PENCIL ELECTRODE SYSTEM FOR SIMULTANEOUS DETECTION OF ANALYTES
NANOSTRUCTURED GRAPHENE-MODIFIED GRAPHITE PENCIL ELECTRODE SYSTEM FOR SIMULTANEOUS DETECTION OF ANALYTES
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机译:纳米结构的石墨烯修饰的石墨铅笔电极系统,用于同时检测分析物
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摘要
A graphene-modified graphite pencil electrode (GPE) system and a method for simultaneous detection of multiple anylates such as dopamine, uric acid, and L-tyrosine in a solution. The electrode system includes a graphene-modified graphite pencil working electrode comprising a graphite pencil base electrode and a layer of three dimensional nanostructured multiwall network forming concave shape structures on the surface of the graphite pencil base electrode, a counter electrode, and a reference electrode. The method comprises contacting the solution with the graphene-modified GPE system and conducting voltammetry, preferably square wave voltammetry, to detect the L-tyrosine concentration in the solution.
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