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Abdallah, Emad M; Modwi, Abueliz; Al-Mijalli, Samiah H; Mohammed, Afrah E; Idriss, Hajo; Omar, Abdulkader Shaikh; Afifi, Mohamed; Al-Farga, Ammar; Goh, Khang Wen; Ming, Long Chiau
Molecules (Basel, Switzerland), 11/2022, Volume: 27, Issue: 23Journal Article
In this work, ZnO, CrZnO, RuZnO, and BaZnO nanomaterials were synthesized and characterized in order to study their antibacterial activity. The agar well diffusion, minimum inhibitory concentration (MIC), and minimum bactericidal concentration (MBC) assays were used to determine the antibacterial activity of the fabricated nanomaterials against ATCC 29213, ATCC35218, ATCC 7000603, and ATCC 278533. The well-diffusion test revealed significant antibacterial activity against all investigated bacteria when compared to vancomycin at a concentration of 1 mg/mL. The most susceptible bacteria to BaZnO, RuZnO, and CrZnO were (15.5 ± 0.5 mm), (19.2 ± 0.5 mm), and (19.7 ± 0.5), respectively. The MIC values indicated that they were in the range of 0.02 to 0.2 mg/mL. The MBC values showed that the tested bacteria's growth could be inhibited at concentrations ranging from 0.2 to 2.0 mg/mL. According to the MBC/MIC ratio, BaZnO, RuZnO, and CrZnO exhibit bacteriostatic effects and may target bacterial protein synthesis based on the results of the tolerance test. This study shows the efficacy of the above-mentioned nanoparticles on bacterial growth. Further biotechnological and toxicological studies on the nanoparticles fabricated here are recommended to benefit from these findings.
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