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. 2016 Mar 29;13:16. doi: 10.1186/s12989-016-0127-7

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© Hiraku et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. 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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Fig. 1 — Dispersion of MWCNT agglomerates. MWCNT was suspended in DMEM and sonicated as described in Methods. a Photographs of MWCNT agglomerates before and after the sonication. The particles were observed with a light microscope. Bar = 10 μm. b Photographs of MWCNT fibers. After the sonication, MWCNT was observed with TEM as described in Methods. Bars = 1 μm. c Size distribution of dispersed MWCNT agglomerates. The size distribution was measured with a Zetasizer Nano particle size analyzer (Malvern, Worcestershire, UK)