Biosynthesis Of ZnO Nanoparticles By Selected Heavy Metals Resistant Bacteria

Author(s)	Ms. Shilpa Ishwarchandra Hosmani, Devaraja Gayathri
Country	India
Abstract	The production of ZnO nanoparticles (ZnONPs) have attracted significant attention due to their broad spectrum antibacterial and eco-friendly properties. This study focused on the biosynthesis of ZnONPs using selected indigenous heavy metal ions resistant bacterial strains. Previously these bacteria were identified as Staphylococcus saprophyticus (SG1), Brucella anthropi (SG2), Citrobacter braaki (SG19) using 16S ribosomal RNA sequencing which were showed metal resistance (Pb, Hg and Cd) and used for ZnONPs synthesis. Development of white precipitate at the end of the incubation period confirmed the production of ZnONPs, later characterized using X-ray Diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Energy Dispersive X-ray Spectroscopy (EDX) and Scanning Electron Microscopy (SEM). The results indicated diverse structural properties with respect to structure, functional group and size and perhaps helpful for in situ biosorption in the polluted environment.
Keywords	Biosynthesis, XRD, FTIR, EDX, SEM, ZnONPs. Heavy metal resistant bacteria, biosorption
Field	Biology
Published In	Volume 7, Issue 3, May-June 2025
Published On	2025-05-26
DOI	https://doi.org/10.36948/ijfmr.2025.v07i03.45999
Short DOI	https://doi.org/g9mn3d

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