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Electrochemical detection of the L-cysteine using a carbon paste electrode modified with a conjugate of tetraamino cobalt (II) pthalocyanine and gold nanoparticles
Friederici, Mario; Angurell Purroy, Inmaculada; Rosell, Oriol; Seco García, Miquel Angel; Muller, Carlos; Llorca Piqué, Jordi
Universitat Politècnica de Catalunya. Institut de Tècniques Energètiques; Universitat Politècnica de Catalunya. NEMEN - Nanoenginyeria de materials aplicats a l'energia
Gold nanoparticles protected with a mixture of hexanothiol and MUA (11-mercaptoundecanoic acid) (AuNP1) were reacted with Co(II) tetraaminophtalocyanine (CoTAPc). The resulting nanoparticles formed via covalent bonds, AuNP2, were characterized by absorption spectra, infrared spectroscopy and transmission electron microscopy. Modified carbon paste electrodes were prepared with AuNP1, CoTAPc and AuNP2 and evaluated for electrochemical detection of L-cysteine by cyclic voltammetry. Sensing of L-cysteine was uniquely observed with the electrode modified with AuNP2
Àrees temàtiques de la UPC::Enginyeria química::Química física::Electroquímica
Electrochemistry
Nanoparticles
Electroquímica
Nanopartícules
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/publishedVersion
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