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Optimization of physicochemical parameters of a multilayered polyelectrolyte film deposition with Love wave and AFM for bacteria based detection of heavy metals

hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
hal.structure.identifierLaboratoire des Interfaces et Matériaux Avancés [Monastir] [LIMA]
dc.contributor.authorGAMMOUDI, Ibtissem
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorMOROTE, Fabien
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorTARBAGUE, Hakim
hal.structure.identifierLaboratoire des Interfaces et Matériaux Avancés [Monastir] [LIMA]
dc.contributor.authorOTHMANE, Ali
hal.structure.identifierInstitut National de Recherche et d'Analyse Physico-Chimique [INRAP]
dc.contributor.authorKALFAT, Rafik
hal.structure.identifierLaboratoire d'Immunologie et Parasitologie
dc.contributor.authorMOYNET, Daniel
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorREBIERE, Dominique
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorCOHEN-BOUHACINA, Touria
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorDEJOUS, Corinne
dc.date.issued2012-05
dc.date.conference2012-05-20
dc.description.abstractEnA biosensor based on Escherichia coli Bacteria for determination of heavy metal ions with an acoustic Love wave device and Polydimethylsiloxane (PDMS) microfluidic network has been previously developed, that provides fast detection of toxic chemical compounds. Bacteria were immobilized on the transducer coated with self-assembled molecular multilayers of polyelectrolytes. In this study, we emphasize Love wave and AFM-based complementary characterization methods, which allowed an optimization of some physicochemical parameters of polyelectrolyte solutions, such as pH, ionic strength or molecular weight, in order to increase the immobilization of bacteria as well as the sensor lifetime. For instance, an increase density of bacteria was observed when using alternative pH of 9 for cationic solution.
dc.language.isoen
dc.source.titleProceedings
dc.title.enOptimization of physicochemical parameters of a multilayered polyelectrolyte film deposition with Love wave and AFM for bacteria based detection of heavy metals
dc.typeCommunication dans un congrès
dc.identifier.doi10.5162/IMCS2012/P2.1.16
dc.subject.halSciences de l'ingénieur [physics]/Micro et nanotechnologies/Microélectronique
bordeaux.page1372-1375
bordeaux.countryDE
bordeaux.title.proceedingProceedings
bordeaux.conference.cityNürnberg
bordeaux.peerReviewedoui
hal.identifierhal-00677378
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end2012-05-23
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00677378v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=Proceedings&rft.date=2012-05&rft.spage=1372-1375&rft.epage=1372-1375&rft.au=GAMMOUDI,%20Ibtissem&MOROTE,%20Fabien&TARBAGUE,%20Hakim&OTHMANE,%20Ali&KALFAT,%20Rafik&rft.genre=unknown


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