Abstract
The transition metal (TM) of Ni, Co and Fe- doped In2O3 nanoparticles (NixIn2−xO3, Cox In2−xO3 and FexIn2−xO3, where x = 0.00, 0.01, 0.03, 0.05, 0.07) have been synthesized successfully via sol-gel method. The crystalline pattern was studied by XRD. The spherical morphology of prepared samples was confirmed by TEM. Pristine In2O3 and Ni, Co, and Fe doped In2O3 nanocrystal exhibited a weak ferromagnetic nature at room temperature. Disc-diffusion antibiotic sensitivity test and pour plate technique were used to analyze the microbial growth in the presence of the prepared nanoparticles. The results indicated that the synthesized materials caused the higher inhibition for E. coli strains as compared to the S. aureus. Fe0.07 In 1.93O3 showed the highest inhibition rate. Based on our study, iron-doped In2O3 nanocrystal can be employed for restricting 95% of E. coli strains and 93% S. aureus and hence can find applications in the field of medicine.
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