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. 2014 Jan 23;12:3. doi: 10.1186/1477-3155-12-3

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Copyright © 2014 Hook et al.; licensee BioMed Central Ltd.

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. 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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Atomic force microscopy images showing CHX-HMP nanoparticles deposited on a glass coverslip. a: 1 × 1 μm image with vertical scale 50 nm showing individual globular nanoparticles. b: 0.8 × 0.8 μm image with vertical scale 20 nm showing individual nanoparticles of similar shape and morphology as in (a) but in an aggregate. c: 5 × 5 μm image with vertical scale 100 nm showing individual nanoparticles and small aggregates. d: 5 × 5 μm image with vertical scale 500 nm showing nanoparticles in a large aggregate.