Microbial Fabrication of Zinc Oxide Nanoparticles and Evaluation of Their Antimicrobial and Photocatalytic Properties

Zinc oxide (ZnO) nanoparticles have attracted significant interest in a number of applications ranging from electronics to biomedical sciences due to their large exaction binding energy (60 meV) and wide bandgap of 3.37 eV. In the present study, we report the low-cost bacterium based "eco-frien...

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Bibliographic Details
Published in:Frontiers in chemistry 2020-09, Vol.8, p.778-778
Main Authors: Jain, Devendra, Shivani, Bhojiya, Ali Asger, Singh, Himmat, Daima, Hemant Kumar, Singh, Mandeep, Mohanty, Santosh Ranjan, Stephen, Bjorn John, Singh, Abhijeet
Format: Article
Language:English
Subjects:
antimicrobial
Chemistry
photocatalytic dye degradation
physiochemical
zinc oxide nanoparticles
zinc tolerant bacteria
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Summary:Zinc oxide (ZnO) nanoparticles have attracted significant interest in a number of applications ranging from electronics to biomedical sciences due to their large exaction binding energy (60 meV) and wide bandgap of 3.37 eV. In the present study, we report the low-cost bacterium based "eco-friendly" efficient synthesis of ZnO nanoparticles by using the zinc-tolerant bacteria . The physicochemical characterization of ZnO nanoparticles was performed by employing UV-vis spectroscopy, XRD, TEM, DLS, Zeta potential, and Raman spectroscopy. The antimicrobial and antifungal studies were investigated at different concentrations using the agar well-diffusion method, whereby the microbial growth rate decreases with the increase in nanoparticle concentration. Further, photocatalytic performance studies were conducted by taking methyl orange (MO) as a reference dye.
ISSN:2296-2646
2296-2646
DOI:10.3389/fchem.2020.00778