Potent E. Coli m‑17 growth inhibition by ultrasonically complexed acetylsalicylic acid–ZnO–graphene oxide nanoparticles

Tkach, Anastasia, Burko, Aliaksandr, Bandarenka, Hanna ORCID: https://orcid.org/0000-0003-4254-8261, Khrustaleva, Tatyana, Zhigulin, Dmitry, Tabulina, Ljudmila, Labunov, Vladimir, Veltruská, Katerina, Matolín, Vladimír and Radziuk, Darya 2021. Potent E. Coli m‑17 growth inhibition by ultrasonically complexed acetylsalicylic acid–ZnO–graphene oxide nanoparticles. ACS Applied Nano Materials 4 (1) , pp. 778-792. 10.1021/acsanm.0c03111

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Abstract

A single-step ultrasonic method (20 kHz) is demonstrated for the complexation of acetylsalicylic acid (ASA)–ZnO–graphene oxide (GO) nanoparticles with an average size of <70 nm in aqueous solution. ASA–ZnO–GO more efficiently inhibits the growth of probiotic Escherichia coli strain M-17 and exhibits enhanced antioxidant properties than free ASA and ASA–ZnO in neutralization of hydroxyl radicals in the electro-Fenton process. This improved function of ASA in the ASA–ZnO–GO can be attributed to the well-defined cone-shaped morphology, the surface structure containing hydroxyl and carboxylate groups of ZnO–GO nanoparticles, which facilitated the complexation with ASA.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Publisher:	American Chemical Society
ISSN:	2574-0970
Last Modified:	07 Sep 2026 21:53
URI:	https://orca.cardiff.ac.uk/id/eprint/188551

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