<abstract xmlns="http://www.w3.org/1999/xhtml">
Copper oxide nanostructures have garnered significant attention in nanotechnology for their diverse applications. This study presents a green synthesis approach using an aqueous <italic>Aegle marmelos</italic> leaf extract-based medium to produce copper oxide (Cu4O3) nanoparticles. Optimisation was achieved through a simplified Taguchi L9 orthogonal array, investigating critical parameters such as temperature, surfactants (AOT and Tween 80), and additives (ascorbic acid and chitosan). Under optimised conditions (AOT: 0.0012 mM, ascorbic acid: 10 mM, chitosan: 1 %, temperature: 80 °C), near-spherical nanoparticles of ~200 nm were obtained. Comprehensive characterisation through UV-Vis, DLS, electron microscopy, XRD, and FTIR spectroscopy confirmed the nanoparticles’ properties, while antibacterial assays showed promising results against <italic>Escherichia coli</italic> bacteria.
</abstract>

Copper oxide nanostructures have garnered significant attention in nanotechnology for their diverse applications. This study presents a green synthesis approach using an aqueous Aegle marmelos leaf extract-based medium to produce copper oxide (Cu4O3) nanoparticles. Optimisation was achieved through a simplified Taguchi L9 orthogonal array, investigating critical parameters such as temperature, surfactants (AOT and Tween 80), and additives (ascorbic acid and chitosan). Under optimised conditions (AOT: 0.0012 mM, ascorbic acid: 10 mM, chitosan: 1 %, temperature: 80 °C), near-spherical nanoparticles of ~200 nm were obtained. Comprehensive characterisation through UV-Vis, DLS, electron microscopy, XRD, and FTIR spectroscopy confirmed the nanoparticles’ properties, while antibacterial assays showed promising results against Escherichia coli bacteria.

Optimising Biosynthesis of Antimicrobial Copper Nanoparticles Using Aqueous <italic>Aegle marmelos</italic> Leaf Extract-Based Medium

Amrita School for Sustainable Futures (ASF), Amrita Vishwa Vidyapeetham

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Optimising Biosynthesis of Antimicrobial Copper Nanoparticles Using Aqueous  Leaf Extract-Based Medium

Copper oxide nanostructures have garnered significant attention in nanotechnology for their diverse applications. This study presents a green synthesis...

Optimising Biosynthesis of Antimicrobial Copper Nanoparticles Using Aqueous Aegle marmelos Leaf Extract-Based Medium

Published Online: Apr 10, 2024

Page range: 7 - 17

DOI: https://doi.org/10.2478/eces-2024-0001

Keywords
green synthesis, copper oxide, Taguchi method, antimicrobial properties

© 2024 Korumilli Tarangini et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Optimising Biosynthesis of Antimicrobial Copper Nanoparticles Using Aqueous Aegle marmelos Leaf Extract-Based Medium

Published Online: Apr 10, 2024

Page range: 7 - 17

DOI: https://doi.org/10.2478/eces-2024-0001

Keywordsgreen synthesis, copper oxide, Taguchi method, antimicrobial properties

© 2024 Korumilli Tarangini et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
green synthesis, copper oxide, Taguchi method, antimicrobial properties