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Issue 46, 2015
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Nano/micromotors for security/defense applications. A review

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Abstract

The new capabilities of man-made micro/nanomotors open up considerable opportunities for diverse security and defense applications. This review highlights new micromotor-based strategies for enhanced security monitoring and detoxification of chemical and biological warfare agents (CBWA). The movement of receptor-functionalized nanomotors offers great potential for sensing and isolating target bio-threats from complex samples. New mobile reactive materials based on zeolite or activated carbon offer considerable promise for the accelerated removal of chemical warfare agents. A wide range of proof-of-concept motor-based approaches, including the detection and destruction of anthrax spores, ‘on–off’ nerve-agent detection or effective neutralization of chemical warfare agents have thus been demonstrated. The propulsion of micromotors and their corresponding bubble tails impart significant mixing that greatly accelerates such detoxification processes. These nanomotors will thus empower sensing and destruction where stirring large quantities of decontaminating reagents and controlled mechanical agitation are impossible or undesired. New technological breakthroughs and greater sophistication of micro/nanoscale machines will lead to rapid translation of the micromotor research activity into practical defense applications, addressing the escalating threat of CBWA.

Graphical abstract: Nano/micromotors for security/defense applications. A review

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Publication details

The article was received on 10 Sep 2015, accepted on 28 Oct 2015 and first published on 29 Oct 2015


Article type: Review Article
DOI: 10.1039/C5NR06254C
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Nanoscale, 2015,7, 19377-19389

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    Nano/micromotors for security/defense applications. A review

    V. V. Singh and J. Wang, Nanoscale, 2015, 7, 19377
    DOI: 10.1039/C5NR06254C

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