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. 2017 Feb 1;27(1):23–35. doi: 10.1089/nat.2016.0621

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© Gary A. Clawson, et al., 2017; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons 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.

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FIG. 6. — Transmission electron microscopy micrograph of AP1153-PEG-ICG-CPSNPS with inset highlighting the bimodal particle size distribution. The majority of CPSNPs are 30 ± 12 nm in diameter, whereas the tail distribution consists of larger particles (∼20% of the population), which are 121 ± 5 nm in diameter.