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. 2014 Oct 14;12:42. doi: 10.1186/s12951-014-0042-8

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© Thakur et al.; licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution 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. 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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TEM of spermatogenesis. (a) Normal spermatogenesis showing healthy round and elongating spermatids (Sp) in control group. Scale bar =2 μm, (b) Abnormally developed spermatid (Sp) engulfed by sertoli cell cytoplasm and nanoparticle accumulation (*) in experimental group. Scale bar =0.5 & 1 μm, (c) Abnormally developed spermatid (Sp) engulfed by sertoli cell cytoplasm and nanoparticle accumulation (*) in experimental group. Scale bar =0.5 & 1 μm and (d) Deposition of nanoparticle on acrosomal membrane and sertoli cell cytoplasm. Scale bar =0.5 μm.