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Issue 14, 2019
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Biocompatible functionalisation of nanoclays for improved environmental remediation

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Abstract

Among the wide range of materials used for remediating environmental contaminants, modified and functionalised nanoclays show particular promise as advanced sorbents, improved dispersants, or biodegradation enhancers. However, many chemically modified nanoclay materials are incompatible with living organisms when they are used in natural systems with detrimental implications for ecosystem recovery. Here we critically review the pros and cons of functionalised nanoclays and provide new perspectives on the synthesis of environmentally friendly varieties. Particular focus is given to finding alternatives to conventional surfactants used in modified nanoclay products, and to exploring strategies in synthesising nanoclay-supported metal and metal oxide nanoparticles. A large number of promising nanoclay-based sorbents are yet to satisfy environmental biocompatibility in situ but opportunities are there to tailor them to produce “biocompatible” or regenerative/reusable materials.

Graphical abstract: Biocompatible functionalisation of nanoclays for improved environmental remediation

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Article information


Submitted
31 Dec 2018
First published
17 Jun 2019

Chem. Soc. Rev., 2019,48, 3740-3770
Article type
Review Article

Biocompatible functionalisation of nanoclays for improved environmental remediation

B. Biswas, L. N. Warr, E. F. Hilder, N. Goswami, M. M. Rahman, J. G. Churchman, K. Vasilev, G. Pan and R. Naidu, Chem. Soc. Rev., 2019, 48, 3740
DOI: 10.1039/C8CS01019F

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