Bis(2,2′-bipyridil)copper(II) chloride complex: Tyrosinase biomimetic catalyst or redox mediator?
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2021
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In this article, construction of amperometric sensor(s) based on screen-printed carbon electrodes covered by thin layers of two types of carbon nanomaterials serving as amplifiers, and containing [Cu(bipy)2Cl]Cl∙5H2O complex is reported. Their performance and biomimetic activity towards two selected neurotransmitters (dopamine and serotonin) was studied mainly using flow injection analysis (FIA). The important parameters of FIA such as working potential, flow rate, and pH were optimized. The mechanism of the catalytic activity is explained and experimentally confirmed. It reveals that presence of hydrogen peroxide plays a crucial role which leads to answer the title question: can presented complex really be considered as a tyrosinase biomimetic catalyst or only as a redox mediator?
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p. 113
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1996-1944
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Materials, volume 14, issue: 1
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https://www.mdpi.com/1996-1944/14/1/113/htm
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open access
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electrochemical biomimetic devices, bis(2,2′-bipyridil)copper(II) chloride complex, flow injection analysis, neurotransmitters, elektrochemické biomimetická zařízení, komplex chloridu bis (2,2'-bipyridil) měďnatého, průtoková injekční analýza, neurotransmitery
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Except where otherwised noted, this item's license is described as open access