A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles

Autores
López Zeballos, Noelia del Carmen; Garcia Vior, María Cecilia; Awruch, Josefina; Dicelio, Lelia Elina
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The properties of two new lipophilic isomeric phthalocyanines 2,9(10),16(17),23(24)-tetrakis-[(2-dimethylamino)ethylsulfanyl] phthalocyaninatozinc(II) (Pc9) and 1,8(11),15(18),22(25)-tetrakis[(2- dimethylamino)ethylsulfanyl]phthalocyaninatozinc(II) (Pc10), incorporated into mesoporous silica nanoparticles were investigated. The photophysical studies showed that these dyes had a lower aggregation when incorporated into mesoporous silica nanoparticles than when incorporated into other carriers. Both systems were able to generate singlet oxygen, although with values lower than those obtained in homogeneous media, suggesting that a small portion of the phthalocynines was incorporated in an aggregated form. The incorporation efficiency determined by UV-Vis spectroscopy exceeded 99%. A higher core release was obtained for the non-peripheral isomer (Pc10). This could be attributed to the steric hindrance effect of the substituents as compared with the peripheral substituted isomer (Pc9). © 2014 Elsevier Ltd. All rights reserved.
Fil: López Zeballos, Noelia del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
Fil: Garcia Vior, María Cecilia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Awruch, Josefina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Dicelio, Lelia Elina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
Materia
Aggregation
Fluorescence
Mesoporous Silica Nanoparticles
Phthalocyanine Release
Singlet Oxygen
Zinc(Ii) Phthalocyanines
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/37763
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/37763
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticlesLópez Zeballos, Noelia del CarmenGarcia Vior, María CeciliaAwruch, JosefinaDicelio, Lelia ElinaAggregationFluorescenceMesoporous Silica NanoparticlesPhthalocyanine ReleaseSinglet OxygenZinc(Ii) Phthalocyanineshttps://purl.org/becyt/ford/2.10https://purl.org/becyt/ford/2The properties of two new lipophilic isomeric phthalocyanines 2,9(10),16(17),23(24)-tetrakis-[(2-dimethylamino)ethylsulfanyl] phthalocyaninatozinc(II) (Pc9) and 1,8(11),15(18),22(25)-tetrakis[(2- dimethylamino)ethylsulfanyl]phthalocyaninatozinc(II) (Pc10), incorporated into mesoporous silica nanoparticles were investigated. The photophysical studies showed that these dyes had a lower aggregation when incorporated into mesoporous silica nanoparticles than when incorporated into other carriers. Both systems were able to generate singlet oxygen, although with values lower than those obtained in homogeneous media, suggesting that a small portion of the phthalocynines was incorporated in an aggregated form. The incorporation efficiency determined by UV-Vis spectroscopy exceeded 99%. A higher core release was obtained for the non-peripheral isomer (Pc10). This could be attributed to the steric hindrance effect of the substituents as compared with the peripheral substituted isomer (Pc9). © 2014 Elsevier Ltd. All rights reserved.Fil: López Zeballos, Noelia del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; ArgentinaFil: Garcia Vior, María Cecilia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Awruch, Josefina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Dicelio, Lelia Elina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; ArgentinaElsevier2015-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/37763López Zeballos, Noelia del Carmen; Garcia Vior, María Cecilia; Awruch, Josefina; Dicelio, Lelia Elina; A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles; Elsevier; Dyes and Pigments; 113; 1-2015; 145-1500143-7208CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.dyepig.2014.08.004info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0143720814003283info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:33:06Zoai:ri.conicet.gov.ar:11336/37763instacron: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 09:33:06.405CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles
title A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles
spellingShingle A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles
López Zeballos, Noelia del Carmen
Aggregation
Fluorescence
Mesoporous Silica Nanoparticles
Phthalocyanine Release
Singlet Oxygen
Zinc(Ii) Phthalocyanines
title_short A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles
title_full A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles
title_fullStr A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles
title_full_unstemmed A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles
title_sort A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles
dc.creator.none.fl_str_mv López Zeballos, Noelia del Carmen
Garcia Vior, María Cecilia
Awruch, Josefina
Dicelio, Lelia Elina
author López Zeballos, Noelia del Carmen
author_facet López Zeballos, Noelia del Carmen
Garcia Vior, María Cecilia
Awruch, Josefina
Dicelio, Lelia Elina
author_role author
author2 Garcia Vior, María Cecilia
Awruch, Josefina
Dicelio, Lelia Elina
author2_role author
author
author
dc.subject.none.fl_str_mv Aggregation
Fluorescence
Mesoporous Silica Nanoparticles
Phthalocyanine Release
Singlet Oxygen
Zinc(Ii) Phthalocyanines
topic Aggregation
Fluorescence
Mesoporous Silica Nanoparticles
Phthalocyanine Release
Singlet Oxygen
Zinc(Ii) Phthalocyanines
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.10
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The properties of two new lipophilic isomeric phthalocyanines 2,9(10),16(17),23(24)-tetrakis-[(2-dimethylamino)ethylsulfanyl] phthalocyaninatozinc(II) (Pc9) and 1,8(11),15(18),22(25)-tetrakis[(2- dimethylamino)ethylsulfanyl]phthalocyaninatozinc(II) (Pc10), incorporated into mesoporous silica nanoparticles were investigated. The photophysical studies showed that these dyes had a lower aggregation when incorporated into mesoporous silica nanoparticles than when incorporated into other carriers. Both systems were able to generate singlet oxygen, although with values lower than those obtained in homogeneous media, suggesting that a small portion of the phthalocynines was incorporated in an aggregated form. The incorporation efficiency determined by UV-Vis spectroscopy exceeded 99%. A higher core release was obtained for the non-peripheral isomer (Pc10). This could be attributed to the steric hindrance effect of the substituents as compared with the peripheral substituted isomer (Pc9). © 2014 Elsevier Ltd. All rights reserved.
Fil: López Zeballos, Noelia del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
Fil: Garcia Vior, María Cecilia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Awruch, Josefina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Dicelio, Lelia Elina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
description The properties of two new lipophilic isomeric phthalocyanines 2,9(10),16(17),23(24)-tetrakis-[(2-dimethylamino)ethylsulfanyl] phthalocyaninatozinc(II) (Pc9) and 1,8(11),15(18),22(25)-tetrakis[(2- dimethylamino)ethylsulfanyl]phthalocyaninatozinc(II) (Pc10), incorporated into mesoporous silica nanoparticles were investigated. The photophysical studies showed that these dyes had a lower aggregation when incorporated into mesoporous silica nanoparticles than when incorporated into other carriers. Both systems were able to generate singlet oxygen, although with values lower than those obtained in homogeneous media, suggesting that a small portion of the phthalocynines was incorporated in an aggregated form. The incorporation efficiency determined by UV-Vis spectroscopy exceeded 99%. A higher core release was obtained for the non-peripheral isomer (Pc10). This could be attributed to the steric hindrance effect of the substituents as compared with the peripheral substituted isomer (Pc9). © 2014 Elsevier Ltd. All rights reserved.
publishDate 2015
dc.date.none.fl_str_mv 2015-01
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/11336/37763
López Zeballos, Noelia del Carmen; Garcia Vior, María Cecilia; Awruch, Josefina; Dicelio, Lelia Elina; A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles; Elsevier; Dyes and Pigments; 113; 1-2015; 145-150
0143-7208
CONICET Digital
CONICET
url http://hdl.handle.net/11336/37763
identifier_str_mv López Zeballos, Noelia del Carmen; Garcia Vior, María Cecilia; Awruch, Josefina; Dicelio, Lelia Elina; A comparative study of peripheral and non-peripheral zinc (II) phthalocyanines incorporated into mesoporous silica nanoparticles; Elsevier; Dyes and Pigments; 113; 1-2015; 145-150
0143-7208
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.dyepig.2014.08.004
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0143720814003283
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
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
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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score 13.069144

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