Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison
- Autores
- Penelas, María Jazmín; Soler Illia, Galo Juan de Avila Arturo; Levi, Valeria; Bordoni, Andrea Veronica; Wolosiuk, Alejandro
- Año de publicación
- 2019
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We present the study of the anchoring of carboxylic groups on SiO2 nanoparticles from different approximations based on the photochemical radical thiol-ene addition (PRTEA) reaction: a photografting approach between mercaptosuccinic acid (MSA) and vinyl-modified SiO2 nanoparticles and the post-grafting on the surface of silica colloids of the silane precursor 2-((2-(trimethoxysilyl)ethyl)thio)succinic acid (TMSMSA), obtained from the PRTEA. These synthetic strategies were compared with a widely common derivatization methodology based on the nucleophilic attack of surface-anchored amino groups with succinic anhydride. The successful functionalization of the colloidal silica was confirmed by infrared spectroscopy (FTIR), zeta potential at different pH and contact angle measurements. We found that although these three approaches were valid for −COOH immobilization, they had a noticeable impact on the dispersability and agglomeration of the colloidal suspension at the end of the synthesis. Scanning electron microscopy, dynamic light scattering (DLS) and fluorescence correlation spectroscopy (FCS) measurements indicated that the PRTEA photografting between MSA and vinyl-modified SiO2 resulted in highly dispersed colloidal particles. On the other hand, the presence of surface −COOH groups was highly beneficial for redispersion of the colloidal material after lyophilization or freeze-drying procedures.
Fil: Penelas, María Jazmín. Universidad Nacional de San Martin. Instituto de Nanosistemas; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); Argentina
Fil: Soler Illia, Galo Juan de Avila Arturo. Universidad Nacional de San Martin. Instituto de Nanosistemas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Levi, Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales; Argentina
Fil: Bordoni, Andrea Veronica. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Wolosiuk, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); Argentina - Materia
-
CARBOXYLIC GROUPS
CLICK-REACTIONS
COLLOIDS
SILICA
THIOL-ENE ADDITION - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/98193
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CONICET Digital (CONICET) |
spelling |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparisonPenelas, María JazmínSoler Illia, Galo Juan de Avila ArturoLevi, ValeriaBordoni, Andrea VeronicaWolosiuk, AlejandroCARBOXYLIC GROUPSCLICK-REACTIONSCOLLOIDSSILICATHIOL-ENE ADDITIONhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1We present the study of the anchoring of carboxylic groups on SiO2 nanoparticles from different approximations based on the photochemical radical thiol-ene addition (PRTEA) reaction: a photografting approach between mercaptosuccinic acid (MSA) and vinyl-modified SiO2 nanoparticles and the post-grafting on the surface of silica colloids of the silane precursor 2-((2-(trimethoxysilyl)ethyl)thio)succinic acid (TMSMSA), obtained from the PRTEA. These synthetic strategies were compared with a widely common derivatization methodology based on the nucleophilic attack of surface-anchored amino groups with succinic anhydride. The successful functionalization of the colloidal silica was confirmed by infrared spectroscopy (FTIR), zeta potential at different pH and contact angle measurements. We found that although these three approaches were valid for −COOH immobilization, they had a noticeable impact on the dispersability and agglomeration of the colloidal suspension at the end of the synthesis. Scanning electron microscopy, dynamic light scattering (DLS) and fluorescence correlation spectroscopy (FCS) measurements indicated that the PRTEA photografting between MSA and vinyl-modified SiO2 resulted in highly dispersed colloidal particles. On the other hand, the presence of surface −COOH groups was highly beneficial for redispersion of the colloidal material after lyophilization or freeze-drying procedures.Fil: Penelas, María Jazmín. Universidad Nacional de San Martin. Instituto de Nanosistemas; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); ArgentinaFil: Soler Illia, Galo Juan de Avila Arturo. Universidad Nacional de San Martin. Instituto de Nanosistemas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Levi, Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales; ArgentinaFil: Bordoni, Andrea Veronica. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Wolosiuk, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); ArgentinaElsevier Science2019-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/98193Penelas, María Jazmín; Soler Illia, Galo Juan de Avila Arturo; Levi, Valeria; Bordoni, Andrea Veronica; Wolosiuk, Alejandro; Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison; Elsevier Science; Colloids and Surfaces A: Physicochemical and Engineering Aspects; 562; 2-2019; 61-700927-7757CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0927775718317102info:eu-repo/semantics/altIdentifier/doi/10.1016/j.colsurfa.2018.11.023info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:34:58Zoai:ri.conicet.gov.ar:11336/98193instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:34:58.24CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison |
title |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison |
spellingShingle |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison Penelas, María Jazmín CARBOXYLIC GROUPS CLICK-REACTIONS COLLOIDS SILICA THIOL-ENE ADDITION |
title_short |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison |
title_full |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison |
title_fullStr |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison |
title_full_unstemmed |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison |
title_sort |
Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison |
dc.creator.none.fl_str_mv |
Penelas, María Jazmín Soler Illia, Galo Juan de Avila Arturo Levi, Valeria Bordoni, Andrea Veronica Wolosiuk, Alejandro |
author |
Penelas, María Jazmín |
author_facet |
Penelas, María Jazmín Soler Illia, Galo Juan de Avila Arturo Levi, Valeria Bordoni, Andrea Veronica Wolosiuk, Alejandro |
author_role |
author |
author2 |
Soler Illia, Galo Juan de Avila Arturo Levi, Valeria Bordoni, Andrea Veronica Wolosiuk, Alejandro |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
CARBOXYLIC GROUPS CLICK-REACTIONS COLLOIDS SILICA THIOL-ENE ADDITION |
topic |
CARBOXYLIC GROUPS CLICK-REACTIONS COLLOIDS SILICA THIOL-ENE ADDITION |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
We present the study of the anchoring of carboxylic groups on SiO2 nanoparticles from different approximations based on the photochemical radical thiol-ene addition (PRTEA) reaction: a photografting approach between mercaptosuccinic acid (MSA) and vinyl-modified SiO2 nanoparticles and the post-grafting on the surface of silica colloids of the silane precursor 2-((2-(trimethoxysilyl)ethyl)thio)succinic acid (TMSMSA), obtained from the PRTEA. These synthetic strategies were compared with a widely common derivatization methodology based on the nucleophilic attack of surface-anchored amino groups with succinic anhydride. The successful functionalization of the colloidal silica was confirmed by infrared spectroscopy (FTIR), zeta potential at different pH and contact angle measurements. We found that although these three approaches were valid for −COOH immobilization, they had a noticeable impact on the dispersability and agglomeration of the colloidal suspension at the end of the synthesis. Scanning electron microscopy, dynamic light scattering (DLS) and fluorescence correlation spectroscopy (FCS) measurements indicated that the PRTEA photografting between MSA and vinyl-modified SiO2 resulted in highly dispersed colloidal particles. On the other hand, the presence of surface −COOH groups was highly beneficial for redispersion of the colloidal material after lyophilization or freeze-drying procedures. Fil: Penelas, María Jazmín. Universidad Nacional de San Martin. Instituto de Nanosistemas; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); Argentina Fil: Soler Illia, Galo Juan de Avila Arturo. Universidad Nacional de San Martin. Instituto de Nanosistemas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Levi, Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales; Argentina Fil: Bordoni, Andrea Veronica. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Wolosiuk, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Seguridad Nuclear y Ambiente. Gerencia de Química (CAC); Argentina |
description |
We present the study of the anchoring of carboxylic groups on SiO2 nanoparticles from different approximations based on the photochemical radical thiol-ene addition (PRTEA) reaction: a photografting approach between mercaptosuccinic acid (MSA) and vinyl-modified SiO2 nanoparticles and the post-grafting on the surface of silica colloids of the silane precursor 2-((2-(trimethoxysilyl)ethyl)thio)succinic acid (TMSMSA), obtained from the PRTEA. These synthetic strategies were compared with a widely common derivatization methodology based on the nucleophilic attack of surface-anchored amino groups with succinic anhydride. The successful functionalization of the colloidal silica was confirmed by infrared spectroscopy (FTIR), zeta potential at different pH and contact angle measurements. We found that although these three approaches were valid for −COOH immobilization, they had a noticeable impact on the dispersability and agglomeration of the colloidal suspension at the end of the synthesis. Scanning electron microscopy, dynamic light scattering (DLS) and fluorescence correlation spectroscopy (FCS) measurements indicated that the PRTEA photografting between MSA and vinyl-modified SiO2 resulted in highly dispersed colloidal particles. On the other hand, the presence of surface −COOH groups was highly beneficial for redispersion of the colloidal material after lyophilization or freeze-drying procedures. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-02 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/98193 Penelas, María Jazmín; Soler Illia, Galo Juan de Avila Arturo; Levi, Valeria; Bordoni, Andrea Veronica; Wolosiuk, Alejandro; Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison; Elsevier Science; Colloids and Surfaces A: Physicochemical and Engineering Aspects; 562; 2-2019; 61-70 0927-7757 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/98193 |
identifier_str_mv |
Penelas, María Jazmín; Soler Illia, Galo Juan de Avila Arturo; Levi, Valeria; Bordoni, Andrea Veronica; Wolosiuk, Alejandro; Click-based thiol-ene photografting of COOH groups to SiO2 nanoparticles: Strategies comparison; Elsevier Science; Colloids and Surfaces A: Physicochemical and Engineering Aspects; 562; 2-2019; 61-70 0927-7757 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0927775718317102 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.colsurfa.2018.11.023 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Science |
publisher.none.fl_str_mv |
Elsevier Science |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844613085222928384 |
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13.070432 |