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. 2014 Mar 21;1(1):10. doi: 10.1186/s40580-014-0010-x

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© Jo et al.; licensee Springer 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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TEM images of silica nanotubes fabricated on flagella bio-templates. (a) Pristine silica nanotube and (b-d) metallized silica nanotubes by the deposition of gold, palladium, and iron oxide nanoparticles. Copyright © 2013 IOP Publishing (Ref. 59). Reproduced by permission of IOP Publishing. All rights reserved.