Nanoreinforcement strategies for enhancing biodegradable composites in biochemical applications within agriwaste valorisation

Ziani, I, El Guerraf, A, Bentouhami, NE, Brahmi, M, Bouakline, H, El Bachiri, A, Fauconnier, M-L, Ansar, S and Sher, F ORCID: https://orcid.org/0000-0003-2890-5912, 2024. Nanoreinforcement strategies for enhancing biodegradable composites in biochemical applications within agriwaste valorisation. Biocatalysis and Agricultural Biotechnology, 58: 103223. ISSN 1878-8181

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Abstract

Exploring secondary outputs, specifically leftover materials from steam distillation of Rosmarinus tournefortii de Noé, as agents for reducing metals introduces a novel approach to eco-friendly nanomaterial production. This concept aligns with the creation of environmentally conscious nanoparticles, showcasing potential across various fields, notably biomedicine. By utilizing R. tournefortii de Noé, successful synthesis of silver nanoparticles (AgNPs) was achieved, yielding nanoscale variations influenced by plant's by-products. Beyond structural aspects, investigating biomedical applications, focusing on antioxidant and antimicrobial properties. Consistently observing ∼94.9–97.3% scavenging inhibition in water residues at different concentrations and enhanced antimicrobial efficacy against Gram-negative and Gram-positive bacteria and Rhodotorula glutinis yeast due to these residues. Moreover, a thorough examination using density functional theory unveiled a robust interaction between silver clusters and specific biomolecules found within the residues, namely homoplantaginin, protocatechuic acid-glycoside, caffeic, and rosmarinic acids (ranging from 130.62 to 357.05 kcal/mol). These compounds notably enhance reducing efficacy of Ag + ions and contribute to the enduring stability of AgNPs (ζ values: −22.8 mV and −17.2 mV). Furthermore, the study recognizes challenges in finding alternative surface modification agents and explores intricate toxicity mechanisms of silver nanoparticles, emphasizing their interactions with inflammation. Introducing promising nanomedicine approaches involving rosmarinic acid nanoparticles for inflammatory bowel disease and rheumatoid arthritis, highlighting the potential of rosemary by-products derived compounds in innovative therapeutic interventions for diverse inflammatory conditions.

Item Type:	Journal article
Publication Title:	Biocatalysis and Agricultural Biotechnology
Creators:	Ziani, I., El Guerraf, A., Bentouhami, N.E., Brahmi, M., Bouakline, H., El Bachiri, A., Fauconnier, M.-L., Ansar, S. and Sher, F.
Publisher:	Elsevier BV
Date:	June 2024
Volume:	58
ISSN:	1878-8181
Identifiers:	Number Type 10.1016/j.bcab.2024.103223 DOI 2556534 Other
Rights:	© 2024 The Authors This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Divisions:	Schools > School of Science and Technology
Record created by:	Jeremy Silvester
Date Added:	16 Jan 2026 09:49
Last Modified:	16 Jan 2026 10:44
URI:	https://irep.ntu.ac.uk/id/eprint/55057

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