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000862093 1001_ $$00000-0001-7794-5334$$aJin, Yan$$b0
000862093 245__ $$aFabrication of surface renewable carbon microelectrode arrays and their application in heavy metal ion sensing
000862093 260__ $$aCambridge$$bRSC Publ.$$c2019
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000862093 520__ $$aIn this paper, surface renewable carbon microelectrode arrays (MEAs) were developed using microfabrication technology and were successfully applied in heavy metal ion sensing. The as-prepared carbon microelectrode was fabricated with a cylindrical shape 50 μm in diameter and 300 μm in height. Cyclic voltammetry (CV) analysis with scan rates ranging from 10 mV s−1 to 100 mV s−1 was utilized to characterize the MEAs, and it was found that the typical properties (flat redox peaks) of MEAs appeared at lower scan rates (<30 mV s−1). Heavy metal ions, including Cd2+, Pb2+ and Cu2+ were chosen to demonstrate the performance of the developed MEAs for electrochemical sensor applications, with the detection limit calculated to be 1 μg L−1. Renewability and repeatability experiments were also carried out to demonstrate the good characteristics of the MEAs. This work developed a novel microfabrication technique for low cost surface renewable MEAs that can be used as an electrochemical platform for a wide range of sensor applications.
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000862093 7001_ $$0P:(DE-HGF)0$$aMao, Minmin$$b1
000862093 7001_ $$0P:(DE-HGF)0$$aGe, Yuqing$$b2
000862093 7001_ $$00000-0001-6780-3797$$aHuang, Shanluo$$b3
000862093 7001_ $$0P:(DE-HGF)0$$aJu, Jiaqi$$b4
000862093 7001_ $$00000-0001-8827-330X$$aJin, Qinghui$$b5
000862093 7001_ $$0P:(DE-Juel1)128713$$aOffenhäusser, Andreas$$b6$$eCorresponding author
000862093 7001_ $$0P:(DE-HGF)0$$aZhao, Jianlong$$b7
000862093 773__ $$0PERI:(DE-600)2515210-5$$a10.1039/C9AY00043G$$gVol. 11, no. 9, p. 1284 - 1288$$n9$$p1284 - 1288$$tAnalytical methods$$v11$$x1759-9679$$y2019
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