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. 2016 May 12;10(8):1096–1104. doi: 10.1080/17435390.2016.1177743

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© 2016 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/Licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.

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Figure 3. — Effects of Ni NPs on sperm ultrastructure. Representative SEM images of control sperm (A) and sperm exposed for 2 h to Ni NPs at concentrations higher than 0.025 (B, C) show holes in the plasma membrane indicated by arrows. TEM images of transversal and longitudinal sections of control sperm (D, F) and sperm (E, G) exposed as above that show interruptions of plasma membrane continuity as indicated by arrows. Scale bars are 1 μm.