Show simple item record

hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBAUDRIMONT, Magalie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorANDREÏ, Jennifer
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMORNET, Stéphane
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGONZALEZ, Patrice
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMESMER-DUDONS, Nathalie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGOURVES, Pierre-Yves
hal.structure.identifierStress Environnementaux et BIOsurveillance des milieux aquatiques [SEBIO]
dc.contributor.authorJAFFAL, Ali
hal.structure.identifierStress Environnementaux et BIOsurveillance des milieux aquatiques [SEBIO]
dc.contributor.authorGEFFARD, Odile
hal.structure.identifierUniversité de Reims Champagne-Ardenne [URCA]
hal.structure.identifierStress Environnementaux et BIOsurveillance des milieux aquatiques [SEBIO]
dc.contributor.authorGEFFARD, Alain
hal.structure.identifierInstitut national de recherche en sciences et technologies pour l'environnement et l'agriculture [IRSTEA]
dc.contributor.authorGEFFARD, Olivier
hal.structure.identifierInstitut national de recherche en sciences et technologies pour l'environnement et l'agriculture [IRSTEA]
dc.contributor.authorGARRIC, Jeanne
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorFEURTET-MAZEL, Agnès
dc.date.issued2018-04
dc.identifier.issn0944-1344
dc.description.abstractEnThis work addressed the trophic transfer and effects of functionalized gold nanoparticles (AuNPs) from periphytic biofilms to the crustacean Gammarus fossarum. Biofilms were exposed for 48 h to 10 nm positively charged functionalized AuNPs at two concentrations, 4.6 and 46 mg/L, and crustaceans G. fossarum grazed on these for 7 days, with daily biofilm renewal. Gold bioaccumulation in biofilm and crustacean were measured to estimate the trophic transfer ratio of these AuNP, and, for the first time, a transcriptomic approach and transmission electron microscopy observations in the crustacean were made. These two approaches showed cellular damage caused by oxidative stress and, in particular, an impact of these AuNPs on mitochondrial respiration. Modulation of digestive enzyme activity was also observed, suggesting modifications of digestive functions. The damage due to these nanoparticles could then have vital consequences for the organisms during chronic exposure.
dc.description.sponsorshipApproches à différentes échelles pour caractériser les interactions cellulaires, le transfert trophique et les impacts toxiques de nanoparticules métalliques chez les organismes aquatiques
dc.description.sponsorshipInitiative d'excellence de l'Université de Bordeaux - ANR-10-IDEX-0003
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enPeriphytic biofilm
dc.subject.enTrophic transfer
dc.subject.enMitochondrial disruption
dc.subject.enGene transcription
dc.subject.enGold nanoparticles
dc.subject.enGammarus fossarum
dc.subject.enDigestive enzyme activity
dc.title.enTrophic transfer and effects of gold nanoparticles (AuNPs) in Gammarus fossarum from contaminated periphytic biofilm
dc.typeArticle de revue
dc.identifier.doi10.1007/s11356-017-8400-3
dc.subject.halChimie/Matériaux
bordeaux.journalEnvironmental Science and Pollution Research
bordeaux.page11181-11191
bordeaux.volume25
bordeaux.issue12
bordeaux.peerReviewedoui
hal.identifierhal-01797345
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01797345v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Environmental%20Science%20and%20Pollution%20Research&rft.date=2018-04&rft.volume=25&rft.issue=12&rft.spage=11181-11191&rft.epage=11181-11191&rft.eissn=0944-1344&rft.issn=0944-1344&rft.au=BAUDRIMONT,%20Magalie&ANDRE%C3%8F,%20Jennifer&MORNET,%20St%C3%A9phane&GONZALEZ,%20Patrice&MESMER-DUDONS,%20Nathalie&rft.genre=article


Files in this item

FilesSizeFormatView

There are no files associated with this item.

This item appears in the following Collection(s)

Show simple item record