Amperometric Nitric Oxide Sensor Based on Nanoporous Platinum Phthalocyanine Modified Electrodes
作者： C. M. Yap , G. Q. Xu , S. G. Ang
DOI: 10.1021/AC302081H
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摘要: This article describes the fabrication of electropolymerized Metallo 4′, 4″, 4‴, 4′′′′ tetra-amine phthalocyanine (poly-MTAPc) modified electrodes for detection nitric oxide (NO) in phosphate-buffered saline (PBS) at pH 7.4. A two-step synthetic protocol using a laboratory microwave reactor was adopted to provide three MTAPc complexes bearing different metal centers (M = Cu2+: CuTAPc, M Zn2+: ZnTAPc, and Pt2+: PtTAPc). The intermediates were characterized by MALDI-TOF mass spectrometry, UV–vis spectroscopy, 1H NMR elemental analysis. products separately either onto glassy carbon (GC) electrode as thin-film or within pores Anodisc nanoporous alumina membrane densely packed array poly-MTAPc nanotubes produce two systems. In latter system, surface area enhancement provided nanotube-arrayed morphology enabled high faradaic (signal) capacitative (backgro...
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