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Aggregation behaviour of gold nanoparticles in presence of chitosan

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dc.contributor.authorFernández Espín, Vanesa
dc.contributor.authorPamies, Ramón
dc.contributor.authorGarcía de la Torre, José
dc.contributor.authorGarcía Montalbán, Mercedes
dc.contributor.authorCollado-González, Mar
dc.contributor.authorHernández Cifre, José Ginés
dc.contributor.authorDíaz Baños, F. Guillermo
dc.contributor.authorVíllora Cano, Gloria
dc.contributor.departmentIngeniería Química
dc.date.accessioned2025-09-25T07:51:25Z
dc.date.available2025-09-25T07:51:25Z
dc.date.copyright© 2015, Springer Science+Business Media Dordrecht
dc.date.issued2015-06-13
dc.description.abstractChitosan (CS) is a biocompatible polysaccharide with positive charge that is widely used as a coating agent for negatively charged nanoparticles. However, the types of structures that emerge by combining CS and anoparticles as well as their behaviour are still poorly understood. In this work, we characterize the nanocomposites formed by gold nanoparticles (AuNPs) and CS and study the influence of CS in the expected aggregation process that should experience those nanoparticles under the favourable conditions of low pH and high ionic strength. Thus, at the working CS concentration, we observe the existence of CS structures that quickly trap the AuNPs and avoid the formation of nanoparticle aggregates in environmental conditions that, otherwise, would lead to such an aggregation.
dc.formatapplication/pdf
dc.format.extent10
dc.identifier.citationJournal of Nanoparticles Research (2015) 17:268
dc.identifier.doihttps://doi.org/10.1007/s11051-015-3069-3
dc.identifier.eissn1572-896X
dc.identifier.issn1388-0764
dc.identifier.urihttp://hdl.handle.net/10201/159811
dc.languageeng
dc.publisherSpringer
dc.relationThis work was partially performed within a ‘‘Grupo de Excelencia de la Regio´n de Murcia’’ (Grant 04531/GERM/06) with financial support provided by Ministerio de Economı´a y Competitividad within project CTQ2012-33717 including FEDER funds. This work was also partially supported by the European Commission (FEDER/ERDF), the Ministerio de Ciencia e Innovacio´n (CICYT Ref. CTQ2011-25613) and the Se´neca foundation (Ref. 1195/PI/09)
dc.relation.publisherversionhttps://link.springer.com/article/10.1007/s11051-015-3069-3
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectChitosan
dc.subjectGold nanoparticles
dc.subjectDynamic
dc.subjectLight scattering
dc.subjectSurface plasmon resonance
dc.subjectTransmission electron microscopy
dc.subjectBiocompatibility
dc.subject.odsNo relacionado con ningún objetivo de desarrollo sostenible
dc.titleAggregation behaviour of gold nanoparticles in presence of chitosan
dc.typeinfo:eu-repo/semantics/article
dspace.entity.typePublicationes
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