Investigation on the antimicrobial activity of Cu–TiO2 nanocomposites synthesized by a facile approach

•Eco-friendly synthesis of Cu–TiO2 nanocomposites using l-ascorbic acid.•Presence of metallic Cu nanoparticles has been confirmed by XRD.•Cu–TiO2 nanocomposites inhibits B.subtilis and S.typhi.•Inhibition zone size dependent on Cu content in nanocomposites. Cu–TiO2 nanocomposites have been formed by...

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Bibliographic Details
Published in:Next Research 2025-03, Vol.2 (1), p.100114, Article 100114
Main Authors: Sarangi, Pankaj Lochan, Panda, Subham Sekhar, Sahu, Ankush Amrit, Sharma, Avnish, Rout, Suvam Sekhar, Mohanty, Sushree Swagatika, Mohanty, Shyama Prasad
Format: Article
Language:English
Subjects:
Antibacterial
Composite materials
l-ascorbic acid
Metallic copper
Nanoparticles
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Summary:•Eco-friendly synthesis of Cu–TiO2 nanocomposites using l-ascorbic acid.•Presence of metallic Cu nanoparticles has been confirmed by XRD.•Cu–TiO2 nanocomposites inhibits B.subtilis and S.typhi.•Inhibition zone size dependent on Cu content in nanocomposites. Cu–TiO2 nanocomposites have been formed by reduction of Cu(II) ions by l-ascorbic acid to form Cu nanoparticles in presence of commercial TiO2 nanoparticles. Formation of metallic copper has been confirmed by X-ray diffraction technique. Size of the Cu particles in the nanocomposites has been found to be 10–15 nm. As compared to pure TiO2, the nanocomposites are effective against Bacillus subtilis and Salmonella typhi. Further, the inhibitory effect is dependent on the copper content in the composite. [Display omitted]
ISSN:3050-4759
DOI:10.1016/j.nexres.2024.100114