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A Novel Impedimetric Sensor Based on Cyanobacterial Extracellular Polymeric Substances for Microplastics Detection

dc.rights.licenseopenen_US
dc.contributor.authorGONGI, Wejdene
dc.contributor.authorTOUZI, Hassen
dc.contributor.authorSADLY, Idris
dc.contributor.authorBEN OUADA, Hafedh
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorTAMARIN, Ollivier
dc.contributor.authorBEN OUADA, Hatem
dc.date.accessioned2023-03-14T09:52:06Z
dc.date.available2023-03-14T09:52:06Z
dc.date.issued2022-11-01
dc.identifier.issn1572-8919en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/172292
dc.description.abstractEnCyanobacterial extracellular polymeric substances “EPS” have attracted intensive concern in biomedicine and food. Nevertheless, the use of those polymers as a sensor coating material has not yet been investigated mainly for microplastic detection. This study focuses on the application of EPS as a sensitive membrane deposited on a gold electrode and investigated with electrochemical impedance spectroscopy to detect four types of microplastics with a size range of 0.1 µm to 1 mm. The surface properties of this impedimetric sensor were investigated by Scanning electron microscopy, Fourier transforms infrared spectroscopy, and X-ray spectroscopy and, showed a high homogenous structure with the presence of several functional groups. The EPS-based sensor could detect the four tested microplastics with a low limit of detection of 10–11 M. It is the first report focusing on EPS extracted from cyanobacteria that could be a new quantification method for low concentrations of microplastics.
dc.language.isoENen_US
dc.subjectExtracellular polymeric substances
dc.subjectImpedimetric biosensor
dc.subjectElectrochemical impedance spectroscopy
dc.subjectMicroplastics detection
dc.title.enA Novel Impedimetric Sensor Based on Cyanobacterial Extracellular Polymeric Substances for Microplastics Detection
dc.title.alternativeJPEen_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1007/s10924-022-02555-6en_US
dc.subject.halSciences de l'ingénieur [physics]en_US
bordeaux.journalJournal of Polymers and the Environmenten_US
bordeaux.page4738-4748en_US
bordeaux.volume30en_US
bordeaux.hal.laboratoriesIMS : Laboratoire de l'Intégration du Matériau au Système - UMR 5218en_US
bordeaux.issue11en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionBordeaux INPen_US
bordeaux.institutionCNRSen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.identifierhal-04028056
hal.version1
hal.date.transferred2023-03-14T09:52:09Z
hal.exporttrue
dc.rights.ccPas de Licence CCen_US
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