Interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media

"The effects of P25 TiO2 nanoparticles on the transport in saturated porous media of the bacteriophage PP7 was investigated. Two levels of ionic strength were considered, given by monovalent and divalent cations, Na+ and Ca2+. The viruses and the P25 particles were characterized with respect to...

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Detalles Bibliográficos
Autores principales: Gentile, Guillermina José, Blanco Fernández, María Dolores, Fidalgo de Cortalezzi, María Marta
Formato: Artículos de Publicaciones Periódicas acceptedVersion
Lenguaje:Inglés
Publicado: info
Materias:
NANOPARTICULAS
POROSIDAD
VIRUS
DIOXIDO DE TITANIO
Acceso en línea:http://ri.itba.edu.ar/handle/123456789/3783
Aporte de:
Repositorio Institucional Instituto Tecnológico de Buenos Aires (ITBA) de Instituto Tecnológico de Buenos Aires (ITBA)
id I32-R138-123456789-3783
record_format dspace
spelling I32-R138-123456789-37832022-12-07T13:06:39Z Interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media Gentile, Guillermina José Blanco Fernández, María Dolores Fidalgo de Cortalezzi, María Marta NANOPARTICULAS POROSIDAD VIRUS DIOXIDO DE TITANIO "The effects of P25 TiO2 nanoparticles on the transport in saturated porous media of the bacteriophage PP7 was investigated. Two levels of ionic strength were considered, given by monovalent and divalent cations, Na+ and Ca2+. The viruses and the P25 particles were characterized with respect to size and surface charge, by dynamic light scattering and electron microscopy. The breakthrough curves were obtained for suspensions of each particle and both combined, using UV absorbance to quantify P25 and RT-qPCR for PP7. In the single transport experiments, P25 was retained, while the viruses mostly eluted the sand bed. However, in the cotransport experiments, retention increased for the virus and decreased for the TiO2 nanoparticles under high viral content, due to heteroaggregation among the colloids in the incoming suspension, electrostatic interactions, and ripening. The interparticle interactions were modeled by DLVO theory, resulting in agreement with the experimental observations, which highlights the electrostatic nature." info:eu-repo/date/embargoEnd/2023-10-31 2022-04-18T15:39:09Z 2022-04-18T15:39:09Z 2021-10 Artículos de Publicaciones Periódicas info:eu-repo/semantics/acceptedVersion 2213-3437 http://ri.itba.edu.ar/handle/123456789/3783 en info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jece.2021.106058 info:eu-repo/semantics/embargoedAccess application/pdf
institution Instituto Tecnológico de Buenos Aires (ITBA)
institution_str I-32
repository_str R-138
collection Repositorio Institucional Instituto Tecnológico de Buenos Aires (ITBA)
language Inglés
topic NANOPARTICULAS
POROSIDAD
VIRUS
DIOXIDO DE TITANIO
spellingShingle NANOPARTICULAS
POROSIDAD
VIRUS
DIOXIDO DE TITANIO
Gentile, Guillermina José
Blanco Fernández, María Dolores
Fidalgo de Cortalezzi, María Marta
Interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media
topic_facet NANOPARTICULAS
POROSIDAD
VIRUS
DIOXIDO DE TITANIO
description "The effects of P25 TiO2 nanoparticles on the transport in saturated porous media of the bacteriophage PP7 was investigated. Two levels of ionic strength were considered, given by monovalent and divalent cations, Na+ and Ca2+. The viruses and the P25 particles were characterized with respect to size and surface charge, by dynamic light scattering and electron microscopy. The breakthrough curves were obtained for suspensions of each particle and both combined, using UV absorbance to quantify P25 and RT-qPCR for PP7. In the single transport experiments, P25 was retained, while the viruses mostly eluted the sand bed. However, in the cotransport experiments, retention increased for the virus and decreased for the TiO2 nanoparticles under high viral content, due to heteroaggregation among the colloids in the incoming suspension, electrostatic interactions, and ripening. The interparticle interactions were modeled by DLVO theory, resulting in agreement with the experimental observations, which highlights the electrostatic nature."
format Artículos de Publicaciones Periódicas
acceptedVersion
author Gentile, Guillermina José
Blanco Fernández, María Dolores
Fidalgo de Cortalezzi, María Marta
author_facet Gentile, Guillermina José
Blanco Fernández, María Dolores
Fidalgo de Cortalezzi, María Marta
author_sort Gentile, Guillermina José
title Interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media
title_short Interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media
title_full Interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media
title_fullStr Interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media
title_full_unstemmed Interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media
title_sort interparticle effects in the cotransport of viruses and engineered nanoparticles in saturated porous media
publishDate info
url http://ri.itba.edu.ar/handle/123456789/3783
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AT blancofernandezmariadolores interparticleeffectsinthecotransportofvirusesandengineerednanoparticlesinsaturatedporousmedia
AT fidalgodecortalezzimariamarta interparticleeffectsinthecotransportofvirusesandengineerednanoparticlesinsaturatedporousmedia
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