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Titre: | Chlorophytum rhizosphere, a suitable environment for electroactive biofilm development |
Auteur(s): | Tou, Insaf Azri, Mounia Sadi, Meriem Zitouni, D. Merad3, A. S. Laichouchi, A. Drouiche, N. Lounici, H. Gana-Kebbouche, S. |
Mots-clés: | Chlorophytum Chronoamperometry Cyclic voltammetry Electroactive biofilm |
Date de publication: | 2020 |
Editeur: | Springer |
Collection/Numéro: | Biomass Conversion and Biorefinery / Vol.11, N° 10; |
Résumé: | The electroactivity of Chlorophytum rhizospheric soil using imposed potential chronoamperometry and a characteristic cyclic
voltammetry was demonstrated in the present work. Five different polarizations were tested: − 0.3, − 0.155, 0, + 0.155, and +
0.3 V/SCE. The current density had stabilized around − 0.0068 mA/m2 and − 0.03 mA/m2 at − 0.155 and − 0.3 V/SCE,
respectively. However, at 0, + 0.155, and + 0.3 V/SCE, a current density had reached respectively 1.46 A/m2, 1.48 A/m2, and
0.6 A/m2. The potential + 0.155 V/SCE seemed to better stimulate the electrogenic bacteria activity of the Chlorophytum
rhizosphere. Different bacterial strains had formed electroactive biofilms in response to different electrode polarizations. The
Chlorophytum rhizosphere electroactivity has depended on strict anaerobes as well as facultative anaerobic bacteria under
anaerobic conditions. Furthermore, the Chlorophytum rhizosphere soil had closed almost equal proportions of Firmicutes and
Proteobacteria whose electroactivity seemed to depend on the Proteobacetria more than the Firmicutes and had could be thereby
a suitable environment for electroactive biofilm development |
URI/URL: | http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/7416 |
Collection(s) : | Publications Internationales
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