Microelectrode Arrays Modified with Nafion/Nanoporous AuPt Nanoparticles for in vivo Detection of Dopamine
Abstract:Electrochemical determination using implantable microelectrode arrays provides a powerful tool for recording neurotransmitter concentrations across multiple spatial locations of brain tissue. In this study, nanoporous AuPt alloy nanoparticles with very rough surfaces and Nafion film were sequentially electrodeposited on Michigan-type microelectrode arrays to improve sensitivity and selectivity to dopamine (DA). The modified microelectrode arrays were characterized by scanning electron microscopy (SEM), X-ray d… Show more
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