Jinghe Yang , Di Mu , Yongjun Gao , Juan Tan , Anhui Lu , Ding Ma
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Cobalt phthalocyanine-graphene complex for electro-catalytic oxidation of dopamine
Cobalt phthalocyanine-graphene (CoPc-Gr) complex are fabricated through π-π interaction of each components, with CoPc adsorbed/inserted on/in the graphene sheets. The obtained complex could be used in the electro-chemical detection of various medicines. CoPc-Gr modified glassy electrode shows excellent response to the electro-oxidation of dopamine (DA) and ascorbic acid (AA), much better than those of CoPc, graphene oxide (GrO) or graphene (Gr) modified electrode. Significantly, the detection of dopamine is a diffusion-controlled process, highly selective, and has a low detection limit and broad linear range.
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