Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas

Autores
Jacob, María Fiorella; Quiberoni, Andrea del Lujan; Ballari, Maria de Los Milagros; Briggiler Marcó, Mariángeles
Año de publicación
2022
Idioma
español castellano
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
Phage infections can cause severe problems against fermentative processes in the dairy industry due to cell lysis of the starter cultures. The aim of this work was to investigate the inactivation of nine phages infective to lactic acid bacteria applying photocatalytic paints irradiated with visible light (λ 360-720 nm). To elaborate the paints, anatase form of titanium dioxide containing carbon as doping agent (18% w/w) was used in replacement of the normal paint pigments, then the paints showed photocatalytic activity in the UV-VIS spectrum. The assays were carried out in a laboratory reactor at constant humidity and temperature (80%, 30°C). Phages were placed on plates covered with the paint and subjected to visible radiation.Samples were taken at different times and phage enumerations (plaque-forming units per mL, PFU/mL) were determined by the double-layer plaque titration method. A total inactivation (< 50 PFU/mL) for five phages (within 2-5 h) were obtained. On the other hand, four phages partially reduced their infectivity between 2.9 and 5.9 orders log. The results obtained in this work showed the efficiency of the photocatalytic paints in the inactivation of dairy phage. These paints could be applied on interior walls and diverse industrial surfaces, as an alternative to decrease the risk of phage infections in the dairy industry. This will contribute to decrease the phage load of bioaerosols, which constitute the main dissemination via of phages in industrial environments.
Fil: Jacob, María Fiorella. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; Argentina
Fil: Quiberoni, Andrea del Lujan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; Argentina
Fil: Ballari, Maria de Los Milagros. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Briggiler Marcó, Mariángeles. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; Argentina
VIII Congreso Internacional de Ciencia y Tecnología de los Alimentos
Córdoba
Argentina
Ministerio de Ciencia y Tecnología de la Provincia de Córdoba
Materia
INDUSTRIA LÁCTEA
PRODUCTOS FERMENTADOS
ESTRATEGIAS DE CONTROL FÁGICO
FOTOCATÁLISIS
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:11336/247324
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticasJacob, María FiorellaQuiberoni, Andrea del LujanBallari, Maria de Los MilagrosBriggiler Marcó, MariángelesINDUSTRIA LÁCTEAPRODUCTOS FERMENTADOSESTRATEGIAS DE CONTROL FÁGICOFOTOCATÁLISIShttps://purl.org/becyt/ford/2.11https://purl.org/becyt/ford/2Phage infections can cause severe problems against fermentative processes in the dairy industry due to cell lysis of the starter cultures. The aim of this work was to investigate the inactivation of nine phages infective to lactic acid bacteria applying photocatalytic paints irradiated with visible light (λ 360-720 nm). To elaborate the paints, anatase form of titanium dioxide containing carbon as doping agent (18% w/w) was used in replacement of the normal paint pigments, then the paints showed photocatalytic activity in the UV-VIS spectrum. The assays were carried out in a laboratory reactor at constant humidity and temperature (80%, 30°C). Phages were placed on plates covered with the paint and subjected to visible radiation.Samples were taken at different times and phage enumerations (plaque-forming units per mL, PFU/mL) were determined by the double-layer plaque titration method. A total inactivation (< 50 PFU/mL) for five phages (within 2-5 h) were obtained. On the other hand, four phages partially reduced their infectivity between 2.9 and 5.9 orders log. The results obtained in this work showed the efficiency of the photocatalytic paints in the inactivation of dairy phage. These paints could be applied on interior walls and diverse industrial surfaces, as an alternative to decrease the risk of phage infections in the dairy industry. This will contribute to decrease the phage load of bioaerosols, which constitute the main dissemination via of phages in industrial environments.Fil: Jacob, María Fiorella. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; ArgentinaFil: Quiberoni, Andrea del Lujan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; ArgentinaFil: Ballari, Maria de Los Milagros. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaFil: Briggiler Marcó, Mariángeles. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; ArgentinaVIII Congreso Internacional de Ciencia y Tecnología de los AlimentosCórdobaArgentinaMinisterio de Ciencia y Tecnología de la Provincia de CórdobaMinisterio de Ciencia y Tecnología de la Provincia de Córdoba2022info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectCongresoBookhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/247324Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas; VIII Congreso Internacional de Ciencia y Tecnología de los Alimentos; Córdoba; Argentina; 2022; 652-653978-987-47203-5-1CONICET DigitalCONICETspainfo:eu-repo/semantics/altIdentifier/url/https://cicytac.cba.gov.ar/ediciones-anteriores/Internacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:46:00Zoai:ri.conicet.gov.ar:11336/247324instacron: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 09:46:00.439CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas
title Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas
spellingShingle Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas
Jacob, María Fiorella
INDUSTRIA LÁCTEA
PRODUCTOS FERMENTADOS
ESTRATEGIAS DE CONTROL FÁGICO
FOTOCATÁLISIS
title_short Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas
title_full Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas
title_fullStr Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas
title_full_unstemmed Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas
title_sort Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas
dc.creator.none.fl_str_mv Jacob, María Fiorella
Quiberoni, Andrea del Lujan
Ballari, Maria de Los Milagros
Briggiler Marcó, Mariángeles
author Jacob, María Fiorella
author_facet Jacob, María Fiorella
Quiberoni, Andrea del Lujan
Ballari, Maria de Los Milagros
Briggiler Marcó, Mariángeles
author_role author
author2 Quiberoni, Andrea del Lujan
Ballari, Maria de Los Milagros
Briggiler Marcó, Mariángeles
author2_role author
author
author
dc.subject.none.fl_str_mv INDUSTRIA LÁCTEA
PRODUCTOS FERMENTADOS
ESTRATEGIAS DE CONTROL FÁGICO
FOTOCATÁLISIS
topic INDUSTRIA LÁCTEA
PRODUCTOS FERMENTADOS
ESTRATEGIAS DE CONTROL FÁGICO
FOTOCATÁLISIS
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.11
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Phage infections can cause severe problems against fermentative processes in the dairy industry due to cell lysis of the starter cultures. The aim of this work was to investigate the inactivation of nine phages infective to lactic acid bacteria applying photocatalytic paints irradiated with visible light (λ 360-720 nm). To elaborate the paints, anatase form of titanium dioxide containing carbon as doping agent (18% w/w) was used in replacement of the normal paint pigments, then the paints showed photocatalytic activity in the UV-VIS spectrum. The assays were carried out in a laboratory reactor at constant humidity and temperature (80%, 30°C). Phages were placed on plates covered with the paint and subjected to visible radiation.Samples were taken at different times and phage enumerations (plaque-forming units per mL, PFU/mL) were determined by the double-layer plaque titration method. A total inactivation (< 50 PFU/mL) for five phages (within 2-5 h) were obtained. On the other hand, four phages partially reduced their infectivity between 2.9 and 5.9 orders log. The results obtained in this work showed the efficiency of the photocatalytic paints in the inactivation of dairy phage. These paints could be applied on interior walls and diverse industrial surfaces, as an alternative to decrease the risk of phage infections in the dairy industry. This will contribute to decrease the phage load of bioaerosols, which constitute the main dissemination via of phages in industrial environments.
Fil: Jacob, María Fiorella. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; Argentina
Fil: Quiberoni, Andrea del Lujan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; Argentina
Fil: Ballari, Maria de Los Milagros. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Briggiler Marcó, Mariángeles. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Lactología Industrial. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Lactología Industrial; Argentina
VIII Congreso Internacional de Ciencia y Tecnología de los Alimentos
Córdoba
Argentina
Ministerio de Ciencia y Tecnología de la Provincia de Córdoba
description Phage infections can cause severe problems against fermentative processes in the dairy industry due to cell lysis of the starter cultures. The aim of this work was to investigate the inactivation of nine phages infective to lactic acid bacteria applying photocatalytic paints irradiated with visible light (λ 360-720 nm). To elaborate the paints, anatase form of titanium dioxide containing carbon as doping agent (18% w/w) was used in replacement of the normal paint pigments, then the paints showed photocatalytic activity in the UV-VIS spectrum. The assays were carried out in a laboratory reactor at constant humidity and temperature (80%, 30°C). Phages were placed on plates covered with the paint and subjected to visible radiation.Samples were taken at different times and phage enumerations (plaque-forming units per mL, PFU/mL) were determined by the double-layer plaque titration method. A total inactivation (< 50 PFU/mL) for five phages (within 2-5 h) were obtained. On the other hand, four phages partially reduced their infectivity between 2.9 and 5.9 orders log. The results obtained in this work showed the efficiency of the photocatalytic paints in the inactivation of dairy phage. These paints could be applied on interior walls and diverse industrial surfaces, as an alternative to decrease the risk of phage infections in the dairy industry. This will contribute to decrease the phage load of bioaerosols, which constitute the main dissemination via of phages in industrial environments.
publishDate 2022
dc.date.none.fl_str_mv 2022
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Book
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
status_str publishedVersion
format conferenceObject
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/247324
Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas; VIII Congreso Internacional de Ciencia y Tecnología de los Alimentos; Córdoba; Argentina; 2022; 652-653
978-987-47203-5-1
CONICET Digital
CONICET
url http://hdl.handle.net/11336/247324
identifier_str_mv Pinturas fotocatalíticas para la inactivación de fagos de bacterias lácticas; VIII Congreso Internacional de Ciencia y Tecnología de los Alimentos; Córdoba; Argentina; 2022; 652-653
978-987-47203-5-1
CONICET Digital
CONICET
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language spa
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dc.coverage.none.fl_str_mv Internacional
dc.publisher.none.fl_str_mv Ministerio de Ciencia y Tecnología de la Provincia de Córdoba
publisher.none.fl_str_mv Ministerio de Ciencia y Tecnología de la Provincia de Córdoba
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