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dc.contributor.authorHernández Muñoz, Sheila 
dc.contributor.authorGarcía, Lydia
dc.contributor.authorPérez Estébanez, Martín 
dc.contributor.authorCheuquepan Valenzuela, William 
dc.contributor.authorHeras Vidaurre, Aránzazu 
dc.contributor.authorColina Santamaría, Álvaro 
dc.date.accessioned2023-03-01T13:21:11Z
dc.date.available2023-03-01T13:21:11Z
dc.date.issued2022-08
dc.identifier.issn1572-6657
dc.identifier.urihttp://hdl.handle.net/10259/7480
dc.description.abstractA new, simple and fast protocol to generate gold-based SERS substrates is presented in this work. Melamine is a compound widely used in the industry that can be toxic for humans if consumed even in low concentrations. EC-SERS is an excellent alternative to classical methods to detect and quantify this compound because Raman spectroscopy provides a fingerprint of the molecules, providing very good sensitivity. In this work, timeresolved Raman spectroelectrochemistry is employed to generate a SERS substrate and to detect melamine, all in a single experiment. The dynamic character of this technique provides valuable information about the interaction of the molecule with the generated substrate. An optimization of the spectroelectrochemical method based on a multi-pulse amperometric detection has been performed. The new protocol presented in this work shows significant figures of merit in a very short experiment time, just 25 s.en
dc.description.sponsorshipAuthors acknowledge the financial support from Agencia Estatal de Investigación/Ministerio de Ciencia e Innovacion /10.13039/ 501100011033 (Grant PID2020-113154RB-C21) and Ministerio de Ciencia, Innovación y Universidades (Grant RED2018-102412-T). W. Ch. thanks JCyL for his postdoctoral fellowship (Grant BU297P18). S.H. and M.P-E. thank JCyL and European Social Fund for their predoctoral fellowships.en
dc.language.isoenges
dc.publisherElsevieren
dc.relation.ispartofJournal of Electroanalytical Chemistry. 2022, V. 918, 116478en
dc.rightsAtribución 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectEC-SERSen
dc.subjectGold-electrodesen
dc.subjectTime-resolved spectroelectrochemistryen
dc.subjectRamanen
dc.subjectMelamineen
dc.subject.otherQuímica analíticaes
dc.subject.otherChemistry, Analyticen
dc.titleMultiamperometric-SERS detection of melamine on gold screen-printed electrodesen
dc.typeinfo:eu-repo/semantics/articlees
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.relation.publisherversionhttps://doi.org/10.1016/j.jelechem.2022.116478es
dc.identifier.doi10.1016/j.jelechem.2022.116478
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-113154RB-C21/ES/APLICACION DE NUEVOS MATERIALES Y DISPOSITIVOS PARA EC-SERS Y EC-SOERS/es
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RED2018-102412-T/ES/RED DE SENSORES Y BIOSENSORES ELECTROQUIMICOS/es
dc.relation.projectIDinfo:eu-repo/grantAgreement/Junta de Castilla y León//BU297P18//Fusión de técnicas espectroelectroquímicas avanzadas/es
dc.journal.titleJournal of Electroanalytical Chemistryen
dc.volume.number918es
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones


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