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Zinc oxide nanoparticles toxic to marine algae

Zinc oxide nanoparticles are more toxic to marine algae than bulk zinc oxide, according to an Italian study. Scientists from Naples studied the effects of various types of zinc oxide on the marine alga, Dunaliella tertiolecta. The nanoparticles affected algal growth more than the bulk compound, say the researchers, most likely because of “peculiar physicochemical properties of the nanostate”.

The study is published in Science of the Total Environment.

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