Natural Nanoclay-Based Silver-Phosphomolybdic Acid Composite with a Dual Antimicrobial Effect

Novikov, Andrei A, Sayfutdinova, Adeliya R, Gorbachevskii, Maksim V, Filatova, Sofya V, Filimonova, Alla V, Rodrigues-Filho, Ubirajara Pereira, Fu, Ye, Wang, Wencai, Wang, Hongqiang, Vinokurov, Vladimir A
et al (show 1 more authors) (2022) Natural Nanoclay-Based Silver-Phosphomolybdic Acid Composite with a Dual Antimicrobial Effect. ACS OMEGA, 7 (8). pp. 1-9.

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The problem of microbial growth on various surfaces has increased concern in society in the context of antibiotic misuse and the spreading of hospital infections. Thus, the development of new, antibiotic-free antibacterial strategies is required to combat bacteria resistant to usual antibiotic treatments. This work reports a new method for producing an antibiotic-free antibacterial halloysite-based nanocomposite with silver nanoparticles and phosphomolybdic acid as biocides, which can be used as components of smart antimicrobial coatings. The composite was characterized by using energy-dispersive X-ray fluorescence spectroscopy and transmission electron microscopy. The release of phosphomolybdic acid from the nanocomposite was studied by using UV-vis spectroscopy. It was shown that the antibiotic-free nanocomposite consisting of halloysite nanotubes decorated with silver nanoparticles loaded with phosphomolybdic acid and treated with calcium chloride possesses broad antibacterial properties, including the complete growth inhibition of <i>Staphylococcus aureus</i> and <i>Pseudomonas aeruginosa</i> bacteria at a 0.5 g × L<sup>-1</sup> concentration and <i>Acinetobacter baumannii</i> at a 0.25 g × L<sup>-1</sup> concentration.

Item Type: Article
Uncontrolled Keywords: Infectious Diseases, Nanotechnology, Emerging Infectious Diseases, Bioengineering, Antimicrobial Resistance, 2.2 Factors relating to the physical environment, 2 Aetiology, Infection
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 10 May 2022 14:07
Last Modified: 17 Mar 2024 13:31
DOI: 10.1021/acsomega.1c06283
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