Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content

Autores
Ortega, Florencia; García, María Alejandra; Arce, Valeria Beatriz
Año de publicación
2019
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The aim of this work was to analyze the effect of native corn starch content (1, 3 and 5% w/v) on the development of nanocomposite films with 143 ppm silver nanoparticles (AgNPs) synthesized in situ. The tested concentrations allowed synthesizing AgNPs in situ and suspensions maintained their filmogenic capacity, regardless the starch content. The characteristics of AgNPs were studied by spectrophotometric techniques, highresolution transmission electron microscopy (HR-TEM) and zeta potential measurement, finding they are spherical with diameters between 19.9 and 13.4 nm and negatively charged. Films containing 1% starch, were difficult to handle coinciding with the mechanical profile obtained, which corresponds to a slightly ductile material. Nanocomposite films with 5% starch showed improved mechanical and barrier properties due to the increase of starch content, but they did not evidence a matrix reinforcement by the AgNPs incorporation. Furthermore, films containing 3% starch show the optimal mechanical and barrier properties, attributed to the reinforcement of AgNPs. Regarding the antimicrobial capacity, all nanocomposite films inhibited microorganisms’ growth. Thus, considering the obtained results nanocomposite films formulated with 3% starch were selected as the most suitable option for their application as food packaging.
Centro de Investigación y Desarrollo en Criotecnología de Alimentos
Centro de Investigaciones Ópticas
Materia
Ciencias Exactas
Green synthesis
Nanoparticles characterization
Rheological behavior
Nanocomposite film properties
Antimicrobial capacity
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-nd/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/181704
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/181704
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch contentOrtega, FlorenciaGarcía, María AlejandraArce, Valeria BeatrizCiencias ExactasGreen synthesisNanoparticles characterizationRheological behaviorNanocomposite film propertiesAntimicrobial capacityThe aim of this work was to analyze the effect of native corn starch content (1, 3 and 5% w/v) on the development of nanocomposite films with 143 ppm silver nanoparticles (AgNPs) synthesized in situ. The tested concentrations allowed synthesizing AgNPs in situ and suspensions maintained their filmogenic capacity, regardless the starch content. The characteristics of AgNPs were studied by spectrophotometric techniques, highresolution transmission electron microscopy (HR-TEM) and zeta potential measurement, finding they are spherical with diameters between 19.9 and 13.4 nm and negatively charged. Films containing 1% starch, were difficult to handle coinciding with the mechanical profile obtained, which corresponds to a slightly ductile material. Nanocomposite films with 5% starch showed improved mechanical and barrier properties due to the increase of starch content, but they did not evidence a matrix reinforcement by the AgNPs incorporation. Furthermore, films containing 3% starch show the optimal mechanical and barrier properties, attributed to the reinforcement of AgNPs. Regarding the antimicrobial capacity, all nanocomposite films inhibited microorganisms’ growth. Thus, considering the obtained results nanocomposite films formulated with 3% starch were selected as the most suitable option for their application as food packaging.Centro de Investigación y Desarrollo en Criotecnología de AlimentosCentro de Investigaciones Ópticas2019-07-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/181704enginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0268005X19305703info:eu-repo/semantics/altIdentifier/issn/1873-7137info:eu-repo/semantics/altIdentifier/doi/10.1016/j.foodhyd.2019.105200info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0/Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T17:30:26Zoai:sedici.unlp.edu.ar:10915/181704Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 17:30:27.176SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content
title Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content
spellingShingle Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content
Ortega, Florencia
Ciencias Exactas
Green synthesis
Nanoparticles characterization
Rheological behavior
Nanocomposite film properties
Antimicrobial capacity
title_short Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content
title_full Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content
title_fullStr Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content
title_full_unstemmed Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content
title_sort Nanocomposite films with silver nanoparticles synthesized in situ: Effect of corn starch content
dc.creator.none.fl_str_mv Ortega, Florencia
García, María Alejandra
Arce, Valeria Beatriz
author Ortega, Florencia
author_facet Ortega, Florencia
García, María Alejandra
Arce, Valeria Beatriz
author_role author
author2 García, María Alejandra
Arce, Valeria Beatriz
author2_role author
author
dc.subject.none.fl_str_mv Ciencias Exactas
Green synthesis
Nanoparticles characterization
Rheological behavior
Nanocomposite film properties
Antimicrobial capacity
topic Ciencias Exactas
Green synthesis
Nanoparticles characterization
Rheological behavior
Nanocomposite film properties
Antimicrobial capacity
dc.description.none.fl_txt_mv The aim of this work was to analyze the effect of native corn starch content (1, 3 and 5% w/v) on the development of nanocomposite films with 143 ppm silver nanoparticles (AgNPs) synthesized in situ. The tested concentrations allowed synthesizing AgNPs in situ and suspensions maintained their filmogenic capacity, regardless the starch content. The characteristics of AgNPs were studied by spectrophotometric techniques, highresolution transmission electron microscopy (HR-TEM) and zeta potential measurement, finding they are spherical with diameters between 19.9 and 13.4 nm and negatively charged. Films containing 1% starch, were difficult to handle coinciding with the mechanical profile obtained, which corresponds to a slightly ductile material. Nanocomposite films with 5% starch showed improved mechanical and barrier properties due to the increase of starch content, but they did not evidence a matrix reinforcement by the AgNPs incorporation. Furthermore, films containing 3% starch show the optimal mechanical and barrier properties, attributed to the reinforcement of AgNPs. Regarding the antimicrobial capacity, all nanocomposite films inhibited microorganisms’ growth. Thus, considering the obtained results nanocomposite films formulated with 3% starch were selected as the most suitable option for their application as food packaging.
Centro de Investigación y Desarrollo en Criotecnología de Alimentos
Centro de Investigaciones Ópticas
description The aim of this work was to analyze the effect of native corn starch content (1, 3 and 5% w/v) on the development of nanocomposite films with 143 ppm silver nanoparticles (AgNPs) synthesized in situ. The tested concentrations allowed synthesizing AgNPs in situ and suspensions maintained their filmogenic capacity, regardless the starch content. The characteristics of AgNPs were studied by spectrophotometric techniques, highresolution transmission electron microscopy (HR-TEM) and zeta potential measurement, finding they are spherical with diameters between 19.9 and 13.4 nm and negatively charged. Films containing 1% starch, were difficult to handle coinciding with the mechanical profile obtained, which corresponds to a slightly ductile material. Nanocomposite films with 5% starch showed improved mechanical and barrier properties due to the increase of starch content, but they did not evidence a matrix reinforcement by the AgNPs incorporation. Furthermore, films containing 3% starch show the optimal mechanical and barrier properties, attributed to the reinforcement of AgNPs. Regarding the antimicrobial capacity, all nanocomposite films inhibited microorganisms’ growth. Thus, considering the obtained results nanocomposite films formulated with 3% starch were selected as the most suitable option for their application as food packaging.
publishDate 2019
dc.date.none.fl_str_mv 2019-07-03
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
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://sedici.unlp.edu.ar/handle/10915/181704
url http://sedici.unlp.edu.ar/handle/10915/181704
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/S0268005X19305703
info:eu-repo/semantics/altIdentifier/issn/1873-7137
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.foodhyd.2019.105200
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 12.982451

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