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. 2015 Feb 2;19:3. doi: 10.1186/s40824-014-0024-9

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© Lee et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Surface functionalizaton of CNTs. Schematic diagram showing the surface chemistry of CNTs. The surface of CNTs can be functionalized with different chemical groups through various chemical reactions. (adapted from reference [11]).