Nano zinc oxide (nZnO) is increasingly used in sunscreen products, with high potential of being released directly into marine environments.
The environmental behavior and the potential toxicity of copper nanoparticles (nano-Cu) in water are major concerns for assessing their environmental safety.
Both the zeta-potential of nano-Cu particles in E3 medium and the pH of the nano-Cu suspension showed no change during a 24 hour period.
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