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dc.contributor.author
Silva, Jessica Alejandra
dc.contributor.author
de Gregorio, Priscilla Romina
dc.contributor.author
Rivero, Guadalupe
dc.contributor.author
Abraham, Gustavo Abel
dc.contributor.author
Nader Macías, María Elena Fátima
dc.date.available
2021-09-28T11:39:28Z
dc.date.issued
2021-01
dc.identifier.citation
Silva, Jessica Alejandra; de Gregorio, Priscilla Romina; Rivero, Guadalupe; Abraham, Gustavo Abel; Nader Macías, María Elena Fátima; Immobilization of vaginal Lactobacillus in polymeric nanofibers for its incorporation in vaginal probiotic products; Elsevier Science; European Journal of Pharmaceutical Sciences; 156; 1-2021; 1-13
dc.identifier.issn
0928-0987
dc.identifier.uri
http://hdl.handle.net/11336/141673
dc.description.abstract
Probiotic products require high number of viable and active microorganisms during storage. In this work, the survival of human vaginal Lactobacillus gasseri CRL1320 and Lactobacillus rhamnosus CRL1332 after nanofiber-immobilization by electrospinning with polyvinyl-alcohol, and during storage was evaluated. The optimization of bacterial immobilization and storage conditions using bioprotectors (skim milk-lactose and glycerol) and oxygen-excluding packaging was carried out, compared with lyophilization. After electrospinning, a higher survival rate of L. rhamnosus (93%) compared to L. gasseri (84%) was obtained in nanofibers, with high viable cells (>107 colony-forming unit/g) of the two probiotics in nanofibers stored at -20°C up to 14 days. The storage in oxygen-excluding packaging was an excellent strategy to extend the shelf-life of L. rhamnosus (up to 1.7 × 108 CFU/g) in nanofibers stored at 4°C during 360 days, with no addition of bioprotectives, resulting similar to freeze-dried-cells. L. rhamnosus was successfully incorporated into polymeric hydrophilic nanofibers with a mean diameter of 95 nm. The composite materials were characterized in terms of morphology, and their physicochemical and thermal properties assessed. Nanofiber-immobilized L. rhamnosus cells maintained the inhibition to urogenital pathogens. Thus, polymeric nanofiber-immobilized L. rhamnosus CRL1332 can be included in vaginal probiotic products to prevent or treat urogenital infections.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
BACTERIAL IMMOBILIZATION
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ELECTROSPINNING
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FREEZE-DRIED
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LACTOBACILLUS
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NANOFIBERS
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VAGINAL PROBIOTIC
dc.subject.classification
Bioproductos, Biomateriales, Bioplásticos, Biocombustibles, Bioderivados, etc.
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Biotecnología Industrial
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Immobilization of vaginal Lactobacillus in polymeric nanofibers for its incorporation in vaginal probiotic products
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-08-19T20:33:15Z
dc.journal.volume
156
dc.journal.pagination
1-13
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Silva, Jessica Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina
dc.description.fil
Fil: de Gregorio, Priscilla Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina
dc.description.fil
Fil: Rivero, Guadalupe. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
dc.description.fil
Fil: Abraham, Gustavo Abel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
dc.description.fil
Fil: Nader Macías, María Elena Fátima. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina
dc.journal.title
European Journal of Pharmaceutical Sciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0928098720303511
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.ejps.2020.105563
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