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. 2017 Jun 17;13:181. doi: 10.1186/s12917-017-1101-9

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© The Author(s). 2017

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 — X-ray diffractogram in the 2θ region of 2.0° to 80° for the (a) I- Commercial ZnO, II- ZnO nano synthesized sample, (b) I- sodium alginate and II- chitosan, (c) I- ZnO/CAT and II- ZnO/CA