Biosynthesized Zinc Oxide Nanoparticles Using Ziziphus Jujube Plant Extract Assisted by Ultrasonic Irradiation and Their Biological Applications

Maymounah N. Alharthi, Iqbal Ismail, Stefano Bellucci, Mariusz Jaremko, Salah E. M. Abo-Aba, Mohamed Abdel Salam

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The green biosynthesis of zinc oxide nanoparticles (GBS ZnO NPs) using Ziziphus jujuba leaves extract assisted by ultrasonic irradiation was reported in this research work. The green biosynthesized ZnO NPs were characterized using different techniques and the results revealed the synthesis of hexagonal wurtzite crystal of GBS ZnO nanoparticles; per the XRD measurement, with average practice size of 90 ± 10 nm; based on both SEM and TEM images, and with specific surface area of 14.23 m2/g; per the nitrogen gas adsorption/desorption isotherms. The antibacterial activity of the prepared GBS ZnO NPs was explored against S. aureus and E. coli bacteria using different evaluation methods; disc diffusion, column (filter), and aqueous solution, and the results showed the effective antibacterial activities against S. aureus and E. coli bacteria, as the inhibition zones were 15 mm and 11 mm for the E. coli and S. aureus, respectively. Moreover, the anticancer activity of the green biosynthesized ZnO NPs was evaluated on two different cancer cells; human colon cancer cell lines (HCT-116) and the human liver cancer (HepG2) cells, and the experiments showed that GBS ZnO NPs had an outstanding cytotoxic effect on both cancer cell lines, as well as dose-dependent behavior, as the viability of the cancer cells decreased by using GBS ZnO NPs at concentrations of 10 and 20 µg/mL. Cell lines (HCT-116) and the human liver cancer (HepG2) cells, and the experiments showed that GBS ZnO NPs had an outstanding cytotoxic effect on both cancer cell lines, as the GBS ZnO NPs enhanced the cytotoxicity mechanism by generating ROS as the nanoparticles interact with cells, lower its cellular defense mechanism, and accordingly cause apoptosis to the cell.
Original languageEnglish (US)
Pages (from-to)78
JournalSeparations
Volume10
Issue number2
DOIs
StatePublished - Jan 22 2023

Bibliographical note

KAUST Repository Item: Exported on 2023-01-25
Acknowledgements: This research was funded by the Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah, Saudi Arabia under grant no. (KEP-PhD-2-130-40) and “The APC was funded by KAUST. The authors, therefore, acknowledge with thanks DSR technical and financial support.

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