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		<doi>10.1002/elan.201600665</doi>
		<issn>1040-0397</issn>
		<citationkey>SilvaZaniCoraFati:2017:SiVoDe</citationkey>
		<title>Simultaneous voltammetric determination of paracetamol, codeine and caffeine on diamond-like carbon porous electrodes</title>
		<year>2017</year>
		<month>mar.</month>
		<typeofwork>journal article</typeofwork>
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		<author>Silva, Tiago Almeida,</author>
		<author>Zanin, Hudson,</author>
		<author>Corat, Evaldo José,</author>
		<author>Fatibello-Filho, Orlando,</author>
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		<group>LABAS-COCTE-INPE-MCTIC-GOV-BR</group>
		<affiliation>Universidade Federal de São Carlos (UFSCAR)</affiliation>
		<affiliation>Universidade Estadual de Campinas (UNICAMP)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Universidade Federal de São Carlos (UFSCar)</affiliation>
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		<electronicmailaddress>evaldo.corat@inpe.br</electronicmailaddress>
		<electronicmailaddress>bello@ufscar.br</electronicmailaddress>
		<journal>Electroanalysis</journal>
		<volume>29</volume>
		<number>3</number>
		<pages>907-916</pages>
		<secondarymark>A2_SAÚDE_COLETIVA A2_MEDICINA_II A2_MEDICINA_I A2_INTERDISCIPLINAR A2_FARMÁCIA A2_ENGENHARIAS_III A2_ENGENHARIAS_II A2_BIODIVERSIDADE B1_QUÍMICA B1_PSICOLOGIA B1_MATERIAIS B1_GEOCIÊNCIAS B1_CIÊNCIAS_BIOLÓGICAS_II B1_CIÊNCIAS_BIOLÓGICAS_I B1_CIÊNCIAS_AMBIENTAIS B1_BIOTECNOLOGIA B1_ASTRONOMIA_/_FÍSICA</secondarymark>
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		<keywords>diamond-like carbon, carbon nanotube forest, multiple analyte analysis, square-wave voltammetry, biological samples.</keywords>
		<abstract>A porous electrode material combining the features of vertically aligned multi-walled carbon nanotubes (VAMWCNT) and diamond-like carbon films (DLC) have been developed for a highly sensitive electrochemical sensor. For working electrode preparation, DLC has been grown onto VAMWCNT, forming a porous, conductive and stable composite. The electrochemical performance of this DLC:VAMWCNT electrode has been investigated toward detection and analysis of three well-known molecules, namely paracetamol, codeine and caffeine. A ternary mixture of these analytes was simultaneously determined under optimum experimental conditions using square-wave voltammetry. Wide linear concentration ranges and the limits of detection of 3.34x10(-7)molL(-1), 1.57x10(-7)molL(-1) and 3.67x10(-7)molL(-1) were obtained for paracetamol, codeine and caffeine, respectively. We conclude that the proposed voltammetric method and the DLC:VAMWCNT electrode comprise a reliable methodology for simultaneous determination of paracetamol, codeine and caffeine in biological matrix samples.</abstract>
		<area>FISMAT</area>
		<language>en</language>
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