{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T19:38:00Z","timestamp":1791920280533,"version":"4.3.4"},"reference-count":87,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2022,1,17]],"date-time":"2022-01-17T00:00:00Z","timestamp":1642377600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>This work describes an environmental-friendly preparation of ZnO nanoparticles using aqueous oat extract. The advanced electrochemical and optical features of green synthesized ZnONPs displayed excellent antibacterial activity and exhibited an important role in pharmaceutical determinations. The formation of nanoscale ZnO was confirmed using various spectroscopic and microscopic investigations. The formed nanoparticles were found to be around 100 nm. The as-prepared ZnONPs were monitored for their antibacterial potential against different bacterial strains. The inhibition zones for ZnONPs were found as Escherichia coli (16 mm), Pseudomonas aeruginosa (17 mm), Staphylococcus aureus (12 mm) and Bacillus subtilis (11 mm) using a 30-\u00b5g mL\u22121 sample concentration. In addition, ZnONPs exhibited significant antioxidant effects, from 58 to 67%, with an average IC50 value of 0.88 \u00b1 0.03 scavenging activity and from 53 to 71% (IC50 value of 0.73 \u00b1 0.05) versus the scavenging free radicals DPPH and ABTS, respectively. The photocatalytic potential of ZnONPs for Rhodamine B dye degradation under UV irradiation was calculated. The photodegradation process was carried out as a function of time-dependent and complete degradation (nearly 98%), with color removal after 120 min. Conclusively, the synthesized ZnONPs using oat biomass might provide a great promise in the future for biomedical applications.<\/jats:p>","DOI":"10.3390\/molecules27020579","type":"journal-article","created":{"date-parts":[[2022,1,17]],"date-time":"2022-01-17T20:46:03Z","timestamp":1642452363000},"page":"579","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":62,"title":["Multifunctional Eco-Friendly Synthesis of ZnO Nanoparticles in Biomedical Applications"],"prefix":"10.3390","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4883-4878","authenticated-orcid":false,"given":"Amal Mohamed","family":"Al-Mohaimeed","sequence":"first","affiliation":[{"name":"Department of Chemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wedad Altuhami","family":"Al-Onazi","sequence":"additional","affiliation":[{"name":"Department of Chemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maha Farouk","family":"El-Tohamy","sequence":"additional","affiliation":[{"name":"Department of Chemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"037572","DOI":"10.1149\/1945-7111\/ab77a0","article-title":"Review\u2014Recent Advances in Electrochemical Impedance Spectroscopy Based Toxic Gas Sensors Using Semiconducting Metal Oxides","volume":"167","author":"Balasubramani","year":"2020","journal-title":"J. Electrochem. Soc."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"100635","DOI":"10.1016\/j.pmatsci.2019.100635","article-title":"Metal oxides based electrochemical pH sensors: Current progress and future perspectives","volume":"109","author":"Manjakkal","year":"2020","journal-title":"Prog. Mater. 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