Revisiting the mechanistic pathways for bacterial mediated synthesis of noble metal nanoparticles

Ali, J, Ali, N, Wang, L, Waseem, H and Pan, G ORCID: https://orcid.org/0000-0003-0920-3018, 2019. Revisiting the mechanistic pathways for bacterial mediated synthesis of noble metal nanoparticles. Journal of Microbiological Methods, 159, pp. 18-25. ISSN 0167-7012

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Abstract

Synthesis and application of reliable nanoscale materials is a progressive domain and the limelight of modern nanotechnology. Conventional physicochemical approaches for the synthesis of metal nanoparticles have become obsolete owing to costly and hazardous materials. There is a need to explore alternative, cost-effective and eco-friendly strategies for fabrication of nanoparticle (NPs). Green synthesis of noble metal nanoparticles has emerged as a promising approach in the last decade. Elucidation of the molecular mechanism is highly essential in the biological synthesis of noble metal nanoparticles (NPs) for the controlled size, shape, and monodispersity. Moreover, mechanistic insights will help to scale up the facile synthesis protocols and will enable biotransformation of toxic heavy metals hence also providing the detoxification effects. Therefore, the current review article has primarily targeted the mechanisms involved in the green synthesis of metal NPs, which have been reported during the last few years. Detailed mechanistic pathways have highlighted nitrate reductase as a principle reducing agent in the bacterial mediated synthesis and stabilization of NPs. Furthermore, we have highlighted the potential implications of these mechanisms in bioremediation and biomineralization processes, which can play a critical role in biogeochemical cycling and environmental impacts of heavy metals. We anticipate that this review article will help researchers to address the challenges of bioremediation and modern nanotechnology.

Item Type:	Journal article
Publication Title:	Journal of Microbiological Methods
Creators:	Ali, J., Ali, N., Wang, L., Waseem, H. and Pan, G.
Publisher:	Elsevier
Date:	April 2019
Volume:	159
ISSN:	0167-7012
Identifiers:	Number Type 10.1016/j.mimet.2019.02.010 DOI S0167701218308224 Publisher Item Identifier
Divisions:	Schools > School of Animal, Rural and Environmental Sciences
Record created by:	Jonathan Gallacher
Date Added:	07 Mar 2019 10:27
Last Modified:	20 Feb 2020 03:00
URI:	https://irep.ntu.ac.uk/id/eprint/35921

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