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. 2016 Jun 10;11:287. doi: 10.1186/s11671-016-1500-z

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© The Author(s). 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.

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Fig. 12 — The changes in the UV-visible absorption and color of silver nanoparticles. a UV-visible absorption spectra of colloidal silver nanoparticles at different gamma doses. b Different colors of as-prepared silver nanoparticles. (Adopted from [55])