Embryotoxicity and spermiotoxicity of nanosized ZnO for Mediterranean sea urchin Paracentrotus lividus.
作者： Sonia Manzo , Maria Lucia Miglietta , Gabriella Rametta , Silvia Buono , Girolamo Di Francia
DOI: 10.1016/J.JHAZMAT.2013.03.027
关键词:
摘要: The effect of nano ZnO (nZnO) upon the fertilization and early development embryos Mediterranean sea urchin Paracentrotus lividus is reported herein for first time. Zn ion (ZnCl2) bulk (bZnO) toxicity were assessed comparison. embryotoxicity tests showed a 100% already at 1 μM nZnO (expressed as [Zn]) while bZnO ZnCl2 EC50s 0.98 [0.88-1.19] [Zn] 2.02 [1.97-2.09] [Zn], respectively. Noteworthy, frequency developmental defects three compounds was dissimilar specific trend larval skeletal abnormality produced by observed. sperm capability only slightly affected tested chemicals effects dramatic on offspring quality sperms exposed to resulting in an block regular development. seems related not Zinc ions but also some surface interactions particle/aggregates with target organisms and/or seawater.
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