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Facile synthesis of zinc oxide nanoparticle using algal extract and their antibacterial potential

Biomass Conversion and Biorefinery, ISSN: 2190-6823
2022
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Article Description

The current study aimed at the synthesis of zinc oxide nanoparticles using water extracts obtained from two different seaweed species Halymenia venusta and Hypnea pannosa. Zinc acetate dehydrate was used as a precursor material in this study. Various characterization techniques were employed to (1) confirm the formation of ZnO nanoparticles (ZnO NPs) and (2) evaluate the morphological properties of the synthesized ZnO NPs such as size and shape. The scanning electron microscopy images of cube-shaped and flake-shaped were obtained for H. pannosa–mediated and H. venusta–mediated ZnO NPs, respectively. The size of the nanoparticles was measured to be 200 nm for Hy. pannosa–mediated ZnO NPs and 200–300 nm for H. venusta–mediated ZnO NPs. Furthermore, these green synthesized ZnO NPs demonstrated strong antibacterial activity against bacterial strains.

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