A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil

8 páginas .- 4 figuras.- 3 tablas.- 33 referencias.-Supplementary data associated with this article can be found in the online version at doi:10.1016/j.jhazmat.2025.139102

Detalles Bibliográficos
Autores: Fernández Vázquez, Alicia, Posada Baquero, Rosa, Ortega Calvo, J. J.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/394380
Acceso en línea:http://hdl.handle.net/10261/394380
Access Level:acceso abierto
Palabra clave:Bioremediation
Saponin
Organic contaminants
Slow desorption
Bioavailability
id ES_0b1ddf715c2260fe46c4a667b655dff6
oai_identifier_str oai:digital.csic.es:10261/394380
network_acronym_str ES
network_name_str España
repository_id_str
spelling A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soilFernández Vázquez, AliciaPosada Baquero, RosaOrtega Calvo, J. J.BioremediationSaponinOrganic contaminantsSlow desorptionBioavailability8 páginas .- 4 figuras.- 3 tablas.- 33 referencias.-Supplementary data associated with this article can be found in the online version at doi:10.1016/j.jhazmat.2025.139102We studied how a plant-derived biosurfactant, saponin, could increase the biodegradation of slowly desorbing polycyclic aromatic hydrocarbons (PAHs) in creosote-contaminated soil. The desorption kinetics of nine indicator 3-, 4- and 5-ring PAHs were determined by Tenax extraction, a necessary tool to optimize the role of saponin by predicting the optimal time for application. The desorption data revealed that initially, 84 % of the total PAHs initially present in the soil (3902 mg kg−1) were fast desorbing. Saponin was applied to the soil after 56 d of solid-phase biostimulation, when the majority of the PAHs that remained in the soil were slow desorbing. The biosurfactant enhanced, in this way, the biodegradation, while the initial addition of biosurfactant had little effect. The stimulation was evident by a 94 % loss of the total PAH initial content in the soil. The kinetics of desorption determined at the end of the bioremediation revealed that direct enhanced desorption, rather than solubilization, was the responsible mechanism, as evidenced by significant increases in the fast desorbing fractions caused by the sorbed biosurfactant. These results show that the appropriate integration of natural surfactants promotes the biodegradation of slow-desorbing fractions and improves bioremediation performance.We would like to thank the Spanish Ministry of Science, Innovation and Universities (PID2019–109700RB-C21, PID2022–139732OB-C21 and PRE2020–096603) for supporting this workPeer reviewedElsevierMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)European CommissionFernández Vázquez, Alicia [0000-0002-4571-3392]Posada Baquero, Rosa [0000-0003-2726-7357]Ortega Calvo, J. J. [0000-0003-1672-5199]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/394380reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-109700RB-C21info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-139732OB-C21info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PRE2020–096603http://dx.doi.org/10.1016/j.jhazmat.2025.139102Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3943802026-05-22T06:33:51Z
dc.title.none.fl_str_mv A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil
title A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil
spellingShingle A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil
Fernández Vázquez, Alicia
Bioremediation
Saponin
Organic contaminants
Slow desorption
Bioavailability
title_short A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil
title_full A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil
title_fullStr A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil
title_full_unstemmed A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil
title_sort A plant biosurfactant enhances the biodegradation of slowly desorbing PAHs in contaminated soil
dc.creator.none.fl_str_mv Fernández Vázquez, Alicia
Posada Baquero, Rosa
Ortega Calvo, J. J.
author Fernández Vázquez, Alicia
author_facet Fernández Vázquez, Alicia
Posada Baquero, Rosa
Ortega Calvo, J. J.
author_role author
author2 Posada Baquero, Rosa
Ortega Calvo, J. J.
author2_role author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
European Commission
Fernández Vázquez, Alicia [0000-0002-4571-3392]
Posada Baquero, Rosa [0000-0003-2726-7357]
Ortega Calvo, J. J. [0000-0003-1672-5199]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Bioremediation
Saponin
Organic contaminants
Slow desorption
Bioavailability
topic Bioremediation
Saponin
Organic contaminants
Slow desorption
Bioavailability
description 8 páginas .- 4 figuras.- 3 tablas.- 33 referencias.-Supplementary data associated with this article can be found in the online version at doi:10.1016/j.jhazmat.2025.139102
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/394380
url http://hdl.handle.net/10261/394380
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-109700RB-C21
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-139732OB-C21
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PRE2020–096603
http://dx.doi.org/10.1016/j.jhazmat.2025.139102
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869403202607120384
score 15.198674

Similares en LA Referencia