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dc.contributor.author
Vera, Maria Laura
dc.contributor.author
Giussi, Juan Martín
dc.contributor.author
Canneva, Antonela
dc.contributor.author
Azzaroni, Omar
dc.contributor.author
Calvo, A.
dc.date.available
2023-01-04T12:31:37Z
dc.date.issued
2022
dc.identifier.citation
Vera, Maria Laura; Giussi, Juan Martín; Canneva, Antonela; Azzaroni, Omar; Calvo, A.; Synthesis of core-brush fluorescent silica nanoparticles with tunable hydrophilicity by ATRP method; Elsevier Science; Colloids and Surfaces A: Physicochemical and Engineering Aspects; 634; 2022; 1-7
dc.identifier.issn
0927-7757
dc.identifier.uri
http://hdl.handle.net/11336/183258
dc.description.abstract
Polymer coating on fluorescent silica nanoparticles enables to tailor made nanocomposite with unique tunable properties. Combining the emission of a fluorescent probe and the surface chemistry of a polymer shell a wide range of applications can be cover. The changing in the conformation of polymer chains enables to modify the hydrophilicity of the functionalized particles. For this, zwitterionic polymers are optimal since the electrostatic interaction between charged groups determines the conformational regime of the chains and the colloidal stability of the particle. In this work, we propose a functionalization of Amino Fluorescent Silica Nanoparticles (Amino-NPF) with a zwitterionic polymer by ATRP method. Poly [2- (Methacryloyloxy) ethyl] dimethyl- (3-sulfopropyl) ammonium hydroxide (PDMAPS) was successfully grafted onto the Amino-NPF surface. In particular, we followed three routes with different amount of catalyst. Route 1 corresponds to non-Cu (II) in solution, while pathways 2 and 3 consist of an increment in the metal concentration, 10% and 60% relative to Cu (I), respectively. A very short reaction time, only 15 min, was employed to diminish or avoid radical-radical termination. The stability and dispersability of the obtained core-brush nanoparticles in different solvents was evaluated. We demonstrate that the Cu (II) to Cu (I) concentration ratio defines the conformation of the polymer chains and in turn the hydrophilic character of the particles.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ATRP POLYMERIZATION
dc.subject
CORE-BRUSH FLUORESCENT SILICA NANOPARTICLES
dc.subject
DMAPS-FUNCTIONALIZED COLLOIDS
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HYDROPHOBIC/HYDROPHILIC NANOCOMPOSITE
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TAILOR MADE FUNCTIONAL HYBRID NANOPARTICLES
dc.subject.classification
Química Coloidal
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Ciencias Químicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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Nano-materiales
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Nanotecnología
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Synthesis of core-brush fluorescent silica nanoparticles with tunable hydrophilicity by ATRP method
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-22T00:58:23Z
dc.journal.volume
634
dc.journal.pagination
1-7
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Vera, Maria Laura. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro de Investigacion y Desarrollo En Materiales Avanzados y Almacenamiento de Energia de Jujuy. - Universidad Nacional de Jujuy. Centro de Investigacion y Desarrollo En Materiales Avanzados y Almacenamiento de Energia de Jujuy. - Gobierno de la Provincia de Jujuy. Centro de Investigacion y Desarrollo En Materiales Avanzados y Almacenamiento de Energia de Jujuy; Argentina
dc.description.fil
Fil: Giussi, Juan Martín. YPF - Tecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Canneva, Antonela. YPF - Tecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Azzaroni, Omar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
dc.description.fil
Fil: Calvo, A.. YPF - Tecnología; Argentina
dc.journal.title
Colloids and Surfaces A: Physicochemical and Engineering Aspects
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S092777572101880X
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.colsurfa.2021.128011
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