Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature

Autores
Arnould, Audrey; Perez, Adrián Alejandro; Gaillard, Cédric; Douliez, Jean Paul; Cousin, Fabrice; Santiago, Liliana Gabriela; Zemb, Thomas; Anton, Marc; Fameau, Anne Laure
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Salt-free catanionic systems based on fatty acids and cationic surfactants are known to exhibit a broad polymorphism by simply tuning the molar ratio between the two components. In the case of fatty acid combined with organic amino counter-ions, very few data are available on the phase behavior obtained as a function of the molar ratio between the counter-ion and the fatty acid. In this study, we investigated the choline hydroxide/myristic acid system as a function of the molar ratio, R= n choline hydroxide/n myristic acid, and the temperature. At molecular scale, the ionization state of myristic acid was determined as a function of R by coupling pH, conductivity and infra-red spectroscopy measurements. At microscopic scale, the self-assemblies were characterized by small angle neutron scattering and microscopy experiments.For R<1, we showed that the two forms of myristic acid molecules (ionized and protonated)coexisted leading to the formation of facetted objects (vesicles coexisting with discs) and lamellar phases, depending on R. The thermal behavior of the bilayers inside the selfassembly was investigated by differential scanning calorimetry, wide angle X-ray scattering and nuclear magnetic resonance. We showed that the melting process between the gel state and the fluid state of the bilayers induced a structural change from facetted objects and lamellar phases to spherical vesicles. For R>1, all the myristic acid molecules were under their ionized form and only spherical micelles were present in solution. As in the case of catanionic systems, our study highlights that both R and temperature are two key parameters to finely control the self-assembly structure formed by myristic acid in the presence of choline hydroxide.
Fil: Arnould, Audrey. Institut National de la Recherche Agronomique; Francia
Fil: Perez, Adrián Alejandro. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Tecnología de los Alimentos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina
Fil: Gaillard, Cédric. Institut National de la Recherche Agronomique; Francia
Fil: Douliez, Jean Paul. Institut National de la Recherche Agronomique; Francia
Fil: Cousin, Fabrice. Centre National de la Recherche Scientifique; Francia
Fil: Santiago, Liliana Gabriela. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Tecnología de los Alimentos; Argentina
Fil: Zemb, Thomas. Centre National de la Recherche Scientifique; Francia
Fil: Anton, Marc. Institut National de la Recherche Agronomique; Francia
Fil: Fameau, Anne Laure. Institut National de la Recherche Agronomique; Francia
Materia
Fatty Acid
Counter-Ion
Molar Ratio
Self-Assembly
Catanionic
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:11336/44501
Acceder
id CONICETDig_f217b21cd1b0c81758f7ef4b42b33924
oai_identifier_str oai:ri.conicet.gov.ar:11336/44501
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperatureArnould, AudreyPerez, Adrián AlejandroGaillard, CédricDouliez, Jean PaulCousin, FabriceSantiago, Liliana GabrielaZemb, ThomasAnton, MarcFameau, Anne LaureFatty AcidCounter-IonMolar RatioSelf-AssemblyCatanionichttps://purl.org/becyt/ford/2.10https://purl.org/becyt/ford/2Salt-free catanionic systems based on fatty acids and cationic surfactants are known to exhibit a broad polymorphism by simply tuning the molar ratio between the two components. In the case of fatty acid combined with organic amino counter-ions, very few data are available on the phase behavior obtained as a function of the molar ratio between the counter-ion and the fatty acid. In this study, we investigated the choline hydroxide/myristic acid system as a function of the molar ratio, R= n choline hydroxide/n myristic acid, and the temperature. At molecular scale, the ionization state of myristic acid was determined as a function of R by coupling pH, conductivity and infra-red spectroscopy measurements. At microscopic scale, the self-assemblies were characterized by small angle neutron scattering and microscopy experiments.For R<1, we showed that the two forms of myristic acid molecules (ionized and protonated)coexisted leading to the formation of facetted objects (vesicles coexisting with discs) and lamellar phases, depending on R. The thermal behavior of the bilayers inside the selfassembly was investigated by differential scanning calorimetry, wide angle X-ray scattering and nuclear magnetic resonance. We showed that the melting process between the gel state and the fluid state of the bilayers induced a structural change from facetted objects and lamellar phases to spherical vesicles. For R>1, all the myristic acid molecules were under their ionized form and only spherical micelles were present in solution. As in the case of catanionic systems, our study highlights that both R and temperature are two key parameters to finely control the self-assembly structure formed by myristic acid in the presence of choline hydroxide.Fil: Arnould, Audrey. Institut National de la Recherche Agronomique; FranciaFil: Perez, Adrián Alejandro. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Tecnología de los Alimentos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; ArgentinaFil: Gaillard, Cédric. Institut National de la Recherche Agronomique; FranciaFil: Douliez, Jean Paul. Institut National de la Recherche Agronomique; FranciaFil: Cousin, Fabrice. Centre National de la Recherche Scientifique; FranciaFil: Santiago, Liliana Gabriela. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Tecnología de los Alimentos; ArgentinaFil: Zemb, Thomas. Centre National de la Recherche Scientifique; FranciaFil: Anton, Marc. Institut National de la Recherche Agronomique; FranciaFil: Fameau, Anne Laure. Institut National de la Recherche Agronomique; FranciaAcademic Press Inc Elsevier Science2015-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/44501Arnould, Audrey; Perez, Adrián Alejandro; Gaillard, Cédric; Douliez, Jean Paul; Cousin, Fabrice; et al.; Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature; Academic Press Inc Elsevier Science; Journal of Colloid and Interface Science; 445; 5-2015; 285-2930021-9797CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.jcis.2015.01.008info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0021979715000351info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:09:16Zoai:ri.conicet.gov.ar:11336/44501instacron: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:34982025-10-22 11:09:16.478CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature
title Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature
spellingShingle Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature
Arnould, Audrey
Fatty Acid
Counter-Ion
Molar Ratio
Self-Assembly
Catanionic
title_short Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature
title_full Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature
title_fullStr Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature
title_full_unstemmed Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature
title_sort Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature
dc.creator.none.fl_str_mv Arnould, Audrey
Perez, Adrián Alejandro
Gaillard, Cédric
Douliez, Jean Paul
Cousin, Fabrice
Santiago, Liliana Gabriela
Zemb, Thomas
Anton, Marc
Fameau, Anne Laure
author Arnould, Audrey
author_facet Arnould, Audrey
Perez, Adrián Alejandro
Gaillard, Cédric
Douliez, Jean Paul
Cousin, Fabrice
Santiago, Liliana Gabriela
Zemb, Thomas
Anton, Marc
Fameau, Anne Laure
author_role author
author2 Perez, Adrián Alejandro
Gaillard, Cédric
Douliez, Jean Paul
Cousin, Fabrice
Santiago, Liliana Gabriela
Zemb, Thomas
Anton, Marc
Fameau, Anne Laure
author2_role author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Fatty Acid
Counter-Ion
Molar Ratio
Self-Assembly
Catanionic
topic Fatty Acid
Counter-Ion
Molar Ratio
Self-Assembly
Catanionic
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.10
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Salt-free catanionic systems based on fatty acids and cationic surfactants are known to exhibit a broad polymorphism by simply tuning the molar ratio between the two components. In the case of fatty acid combined with organic amino counter-ions, very few data are available on the phase behavior obtained as a function of the molar ratio between the counter-ion and the fatty acid. In this study, we investigated the choline hydroxide/myristic acid system as a function of the molar ratio, R= n choline hydroxide/n myristic acid, and the temperature. At molecular scale, the ionization state of myristic acid was determined as a function of R by coupling pH, conductivity and infra-red spectroscopy measurements. At microscopic scale, the self-assemblies were characterized by small angle neutron scattering and microscopy experiments.For R<1, we showed that the two forms of myristic acid molecules (ionized and protonated)coexisted leading to the formation of facetted objects (vesicles coexisting with discs) and lamellar phases, depending on R. The thermal behavior of the bilayers inside the selfassembly was investigated by differential scanning calorimetry, wide angle X-ray scattering and nuclear magnetic resonance. We showed that the melting process between the gel state and the fluid state of the bilayers induced a structural change from facetted objects and lamellar phases to spherical vesicles. For R>1, all the myristic acid molecules were under their ionized form and only spherical micelles were present in solution. As in the case of catanionic systems, our study highlights that both R and temperature are two key parameters to finely control the self-assembly structure formed by myristic acid in the presence of choline hydroxide.
Fil: Arnould, Audrey. Institut National de la Recherche Agronomique; Francia
Fil: Perez, Adrián Alejandro. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Tecnología de los Alimentos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina
Fil: Gaillard, Cédric. Institut National de la Recherche Agronomique; Francia
Fil: Douliez, Jean Paul. Institut National de la Recherche Agronomique; Francia
Fil: Cousin, Fabrice. Centre National de la Recherche Scientifique; Francia
Fil: Santiago, Liliana Gabriela. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Tecnología de los Alimentos; Argentina
Fil: Zemb, Thomas. Centre National de la Recherche Scientifique; Francia
Fil: Anton, Marc. Institut National de la Recherche Agronomique; Francia
Fil: Fameau, Anne Laure. Institut National de la Recherche Agronomique; Francia
description Salt-free catanionic systems based on fatty acids and cationic surfactants are known to exhibit a broad polymorphism by simply tuning the molar ratio between the two components. In the case of fatty acid combined with organic amino counter-ions, very few data are available on the phase behavior obtained as a function of the molar ratio between the counter-ion and the fatty acid. In this study, we investigated the choline hydroxide/myristic acid system as a function of the molar ratio, R= n choline hydroxide/n myristic acid, and the temperature. At molecular scale, the ionization state of myristic acid was determined as a function of R by coupling pH, conductivity and infra-red spectroscopy measurements. At microscopic scale, the self-assemblies were characterized by small angle neutron scattering and microscopy experiments.For R<1, we showed that the two forms of myristic acid molecules (ionized and protonated)coexisted leading to the formation of facetted objects (vesicles coexisting with discs) and lamellar phases, depending on R. The thermal behavior of the bilayers inside the selfassembly was investigated by differential scanning calorimetry, wide angle X-ray scattering and nuclear magnetic resonance. We showed that the melting process between the gel state and the fluid state of the bilayers induced a structural change from facetted objects and lamellar phases to spherical vesicles. For R>1, all the myristic acid molecules were under their ionized form and only spherical micelles were present in solution. As in the case of catanionic systems, our study highlights that both R and temperature are two key parameters to finely control the self-assembly structure formed by myristic acid in the presence of choline hydroxide.
publishDate 2015
dc.date.none.fl_str_mv 2015-05
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/11336/44501
Arnould, Audrey; Perez, Adrián Alejandro; Gaillard, Cédric; Douliez, Jean Paul; Cousin, Fabrice; et al.; Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature; Academic Press Inc Elsevier Science; Journal of Colloid and Interface Science; 445; 5-2015; 285-293
0021-9797
CONICET Digital
CONICET
url http://hdl.handle.net/11336/44501
identifier_str_mv Arnould, Audrey; Perez, Adrián Alejandro; Gaillard, Cédric; Douliez, Jean Paul; Cousin, Fabrice; et al.; Self-assembly of myristic acid in the presence of choline hydroxide: Effect of molar ratio and temperature; Academic Press Inc Elsevier Science; Journal of Colloid and Interface Science; 445; 5-2015; 285-293
0021-9797
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.jcis.2015.01.008
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0021979715000351
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
dc.publisher.none.fl_str_mv Academic Press Inc Elsevier Science
publisher.none.fl_str_mv Academic Press Inc 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
_version_ 1846781434613727232
score 12.982451

Publicaciones similares