期刊
CHEMICAL ENGINEERING & TECHNOLOGY
卷 44, 期 3, 页码 551-558出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.202000470
关键词
Antimicrobial activity; Bacterial strains; Fungal strains; Zinc oxide nanoparticles; Zinc precursors
资金
- ANID through the project FONDAP [15110019]
Zinc oxide nanoparticles synthesized through a green approach inhibited the growth of bacteria and fungi by releasing zinc ions and producing reactive oxygen species. The antimicrobial effects of zinc oxide nanoparticles from different precursors were comparable.
Zinc oxide is recognized as one of the best antimicrobial agents. Zinc oxide nanoparticles were fabricated through a green approach using zinc sulfate, zinc nitrate, and zinc acetate dihydrate as precursors and an extract of Justicia adhatoda leaves as a reducing agent. The synthesized zinc oxide nanoparticles were checked for their antimicrobial activity against the bacterial strains Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, and the fungal strains Aspergillus niger, Aspergillus flavus, and Aspergillus fumigates. All three zinc oxide nanoparticles were found to inhibit the growth of microbes by the release of zinc ions and production of reactive oxygen species followed by destruction of microbes. Antimicrobial results of zinc oxide nanoparticles from the three different precursors were compared.
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