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

ABSTRACT: 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 Serratia nematodiphila. 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.

SUBMITTER: Jain D 

PROVIDER: S-EPMC7554571 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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

Jain Devendra D   Shivani   Bhojiya Ali Asger AA   Singh Himmat H   Daima Hemant Kumar HK   Singh Mandeep M   Mohanty Santosh Ranjan SR   Stephen Bjorn John BJ   Singh Abhijeet A  

Frontiers in chemistry 20200930

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 <i>Serratia nematodiphila</i>. The physicochemical characterization of ZnO nanoparticles was performed by employing UV-vis  ...[more]

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