Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines

Autores
Salcedo, Cecilia Luciana; Bouchet, Ana María; Nazareno, Mónica Azucena; Disalvo, Edgardo Anibal; Frías, María de los Ángeles
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
This work analyzes the surface properties of PE-containing membranes modified at the head group region by the addition of methyl and ethyl residues at or near the amine group. These residues alter the lipid–lipid and lipid–water interactions by changes in the hydrogen bonding capability and the charge density of the amine group thus affecting the electrostatic interaction. The results obtained by measuring the dipole potential, the zeta potential, the area per lipid and the compressibility properties allow to conclude that the H-bonding capability prevails in the lipid–lipid interaction. The non polar groups attached to the C2-carbon of the ethanolamine chain introduces a steric hindrance against compression and increases the dipole potential. The analysis of areas suggests that lipids with methylated head groups have a much larger compressibility at expense of the elimination of hydration water, which is congruent with the broader extent of the hysteresis loop.
Fil: Salcedo, Cecilia Luciana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Fil: Bouchet, Ana María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Fil: Nazareno, Mónica Azucena. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Fil: Disalvo, Edgardo Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Fil: Frías, María de los Ángeles. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Materia
Lipid Monolayers
Dmpc
C2 Ethyl Dmpe
Dipole Potential
Zeta Potential
Surface Pressure/Area Curves
Hysteresis
Hydration Water
Dmpe
N Methyl Pe
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:11336/32816
Acceder
id CONICETDig_916f44b8b643c61ec56c7fba79f01c53
oai_identifier_str oai:ri.conicet.gov.ar:11336/32816
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolaminesSalcedo, Cecilia LucianaBouchet, Ana MaríaNazareno, Mónica AzucenaDisalvo, Edgardo AnibalFrías, María de los ÁngelesLipid MonolayersDmpcC2 Ethyl DmpeDipole PotentialZeta PotentialSurface Pressure/Area CurvesHysteresisHydration WaterDmpeN Methyl Pehttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1This work analyzes the surface properties of PE-containing membranes modified at the head group region by the addition of methyl and ethyl residues at or near the amine group. These residues alter the lipid–lipid and lipid–water interactions by changes in the hydrogen bonding capability and the charge density of the amine group thus affecting the electrostatic interaction. The results obtained by measuring the dipole potential, the zeta potential, the area per lipid and the compressibility properties allow to conclude that the H-bonding capability prevails in the lipid–lipid interaction. The non polar groups attached to the C2-carbon of the ethanolamine chain introduces a steric hindrance against compression and increases the dipole potential. The analysis of areas suggests that lipids with methylated head groups have a much larger compressibility at expense of the elimination of hydration water, which is congruent with the broader extent of the hysteresis loop.Fil: Salcedo, Cecilia Luciana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; ArgentinaFil: Bouchet, Ana María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; ArgentinaFil: Nazareno, Mónica Azucena. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; ArgentinaFil: Disalvo, Edgardo Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; ArgentinaFil: Frías, María de los Ángeles. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; ArgentinaElsevier2013-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/32816Nazareno, Mónica Azucena; Bouchet, Ana María; Salcedo, Cecilia Luciana; Disalvo, Edgardo Anibal; Frías, María de los Ángeles; Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines; Elsevier; Colloids and Surfaces B: Biointerfaces; 113; 9-2013; 243-2480927-7765CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0927776513005614info:eu-repo/semantics/altIdentifier/doi/10.1016/j.colsurfb.2013.08.044info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:08:13Zoai:ri.conicet.gov.ar:11336/32816instacron: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:34982025-09-03 10:08:13.724CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines
title Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines
spellingShingle Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines
Salcedo, Cecilia Luciana
Lipid Monolayers
Dmpc
C2 Ethyl Dmpe
Dipole Potential
Zeta Potential
Surface Pressure/Area Curves
Hysteresis
Hydration Water
Dmpe
N Methyl Pe
title_short Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines
title_full Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines
title_fullStr Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines
title_full_unstemmed Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines
title_sort Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines
dc.creator.none.fl_str_mv Salcedo, Cecilia Luciana
Bouchet, Ana María
Nazareno, Mónica Azucena
Disalvo, Edgardo Anibal
Frías, María de los Ángeles
author Salcedo, Cecilia Luciana
author_facet Salcedo, Cecilia Luciana
Bouchet, Ana María
Nazareno, Mónica Azucena
Disalvo, Edgardo Anibal
Frías, María de los Ángeles
author_role author
author2 Bouchet, Ana María
Nazareno, Mónica Azucena
Disalvo, Edgardo Anibal
Frías, María de los Ángeles
author2_role author
author
author
author
dc.subject.none.fl_str_mv Lipid Monolayers
Dmpc
C2 Ethyl Dmpe
Dipole Potential
Zeta Potential
Surface Pressure/Area Curves
Hysteresis
Hydration Water
Dmpe
N Methyl Pe
topic Lipid Monolayers
Dmpc
C2 Ethyl Dmpe
Dipole Potential
Zeta Potential
Surface Pressure/Area Curves
Hysteresis
Hydration Water
Dmpe
N Methyl Pe
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv This work analyzes the surface properties of PE-containing membranes modified at the head group region by the addition of methyl and ethyl residues at or near the amine group. These residues alter the lipid–lipid and lipid–water interactions by changes in the hydrogen bonding capability and the charge density of the amine group thus affecting the electrostatic interaction. The results obtained by measuring the dipole potential, the zeta potential, the area per lipid and the compressibility properties allow to conclude that the H-bonding capability prevails in the lipid–lipid interaction. The non polar groups attached to the C2-carbon of the ethanolamine chain introduces a steric hindrance against compression and increases the dipole potential. The analysis of areas suggests that lipids with methylated head groups have a much larger compressibility at expense of the elimination of hydration water, which is congruent with the broader extent of the hysteresis loop.
Fil: Salcedo, Cecilia Luciana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Fil: Bouchet, Ana María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Fil: Nazareno, Mónica Azucena. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Fil: Disalvo, Edgardo Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
Fil: Frías, María de los Ángeles. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
description This work analyzes the surface properties of PE-containing membranes modified at the head group region by the addition of methyl and ethyl residues at or near the amine group. These residues alter the lipid–lipid and lipid–water interactions by changes in the hydrogen bonding capability and the charge density of the amine group thus affecting the electrostatic interaction. The results obtained by measuring the dipole potential, the zeta potential, the area per lipid and the compressibility properties allow to conclude that the H-bonding capability prevails in the lipid–lipid interaction. The non polar groups attached to the C2-carbon of the ethanolamine chain introduces a steric hindrance against compression and increases the dipole potential. The analysis of areas suggests that lipids with methylated head groups have a much larger compressibility at expense of the elimination of hydration water, which is congruent with the broader extent of the hysteresis loop.
publishDate 2013
dc.date.none.fl_str_mv 2013-09
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/11336/32816
Nazareno, Mónica Azucena; Bouchet, Ana María; Salcedo, Cecilia Luciana; Disalvo, Edgardo Anibal; Frías, María de los Ángeles; Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines; Elsevier; Colloids and Surfaces B: Biointerfaces; 113; 9-2013; 243-248
0927-7765
CONICET Digital
CONICET
url http://hdl.handle.net/11336/32816
identifier_str_mv Nazareno, Mónica Azucena; Bouchet, Ana María; Salcedo, Cecilia Luciana; Disalvo, Edgardo Anibal; Frías, María de los Ángeles; Surface and hysteresis properties of lipid interphases composed by head group substituted phosphatidylethanolamines; Elsevier; Colloids and Surfaces B: Biointerfaces; 113; 9-2013; 243-248
0927-7765
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/S0927776513005614
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.colsurfb.2013.08.044
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
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
_version_ 1842270036390051840
score 12.885934

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