Modification of composites of block copolymers-gold nanoparticles with enzymes and their characterization by electrochemical techniques

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dc.contributor.authorDel Rio, Rodrigo
dc.contributor.authorArmijo, Francisco
dc.contributor.authorSchrebler, Ricardo
dc.contributor.authorGutierrez, Cesar
dc.contributor.authorAmaro, Andrea
dc.contributor.authorBiaggio, Sonia R.
dc.date.accessioned2024-01-10T12:06:43Z
dc.date.available2024-01-10T12:06:43Z
dc.date.issued2011
dc.description.abstractIn this work, the poly(styrene-vynil pyridine) block copolymer was used as a porous pattern to study the electrodeposition of gold inside the pores, as a new method to obtain gold nanoparticles. The porous pattern left by the copolymer film onto a conductive glass surface was characterized by atomic force microscopy (AFM), evidencing pores of 30 nm diameter. After the electrodeposition, 30 nm diameter gold nanoparticles were obtained and they were characterized by cyclic voltammetry (CV) and AFM, and then used to study the adsorption of glucose oxidase enzyme. The adsorption process of glucose oxidase on gold nanowires was investigated by CV and electrochemical impedance spectroscopy. The morphological and capacitance results indicate that the block copolymer-gold nanoparticle composite seems to be a good candidate to design biosensors and immunosensors.
dc.description.funderFONDECYT-Chile
dc.description.funderVRAID-PUC
dc.fechaingreso.objetodigital2024-03-21
dc.format.extent6 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1007/s10008-010-1138-1
dc.identifier.eissn1433-0768
dc.identifier.issn1432-8488
dc.identifier.urihttps://doi.org/10.1007/s10008-010-1138-1
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/76198
dc.identifier.wosidWOS:000289213200007
dc.information.autorucQuímica;Armijo F ;S/I;169323
dc.information.autorucQuímica;Del Rio R ;S/I;1005788
dc.information.autorucQuímica;Gutierrez C;S/I;165434
dc.issue.numero4
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final702
dc.pagina.inicio697
dc.publisherSPRINGER
dc.revistaJOURNAL OF SOLID STATE ELECTROCHEMISTRY
dc.rightsacceso restringido
dc.subjectBlock copolymers
dc.subjectGold nanowires
dc.subjectCopolymer-gold-enzyme composite
dc.subjectBIOSENSOR
dc.subject.ods06 Clean Water and Sanitation
dc.subject.ods03 Good Health and Well-being
dc.subject.odspa06 Agua limpia y saneamiento
dc.subject.odspa03 Salud y bienestar
dc.titleModification of composites of block copolymers-gold nanoparticles with enzymes and their characterization by electrochemical techniques
dc.typeartículo
dc.volumen15
sipa.codpersvinculados169323
sipa.codpersvinculados1005788
sipa.codpersvinculados165434
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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