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Facile Synthesis and Characterization of Zinc Oxide Nanoparticles Using Psidium guajava leaf Extract and Their Antibacterial Applications

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Abstract

Green synthesis of ZnO NPs with biological systems is becoming a growing field, especially in plant extracts nanotechnology. Biological reducing agents have been interpreted worldwide to lessen the impact of toxic chemicals applied in development of nanoparticles. In present research, work deals with green synthesis & characterization of ZnO NPs via Psidium guajava leaf extract, also to evaluate their antibacterial action against some selected bacteria. The preparation of ZnO NPs was attained via sol–gel assisted microwave irradiation process. The XRD pattern confirms the hexagonal phase of ZnO and crystalline size to be ~ 15.8 nm. FTIR analysis depicts the bio functional groups present in the surface of the ZnO nanoparticles, SEM predicts the size and morphology of the sample, and it shows rod-shaped surface. Then, the EDAX results showed the purity & elemental stoichiometry of the ZnO nanoparticles. Also, the UV was performed to investigate the optical nature of the prepared ZnO nanoparticles. Also, the antibacterial activity results revealed significantly inhibited both types of bacteria in higher concentrations. This study also suggests that green synthesized ZnO nanoparticles can an excellent antibacterial agent.

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Acknowledgements

The authors from KKU would like to express their gratitude to Deanship of Scientific Research at King Khalid University, Abha, Saudi Arabia for funding this work through Research Groups Program under Grant No. R.G.P.1/102/42.

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Authors and Affiliations

  1. Department of Physics, Navarasam Arts and Science College for Women, Erode, 638101, India

    V. Ramya, V. Kalaiselvi & N. Vidhya

  2. Department of Electronics, CMS College of Science and Commerce, Coimbatore, 641 049, India

    S. Karthik Kannan

  3. Advanced Functional Materials and Optoelectronics Laboratory (AFMOL), Department of Physics, College of Science, King Khalid University, Abha, 61413, Saudi Arabia

    Mohd. Shkir

  4. Biology Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia

    Hamed A. Ghramh

  5. Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia

    Hamed A. Ghramh

  6. Unit of Bee Research and Honey Production, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia

    Hamed A. Ghramh & Zubair Ahmad

  7. Biology Department, Faculty of Sciences and Arts, King Khalid University, Dhahran Al Janoub, Saudi Arabia

    Zubair Ahmad

  8. Department of Botany, Seethalakhsmi Ramaswami College, Tiruchirappalli, 620002, India

    P. Nithiya

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  1. V. Ramya
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Ramya, V., Kalaiselvi, V., Kannan, S.K. et al. Facile Synthesis and Characterization of Zinc Oxide Nanoparticles Using Psidium guajava leaf Extract and Their Antibacterial Applications. Arab J Sci Eng 47, 909–918 (2022). https://doi.org/10.1007/s13369-021-05717-1

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