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TiO2 NPs appeared to be more toxic to nematode Caenorhabditis elegans than submicron-sized TiO2.  At a concentration of 1 mg/l, 7 nm particles affected its fertility and survival rate and were more toxic than 20 nm anatase particles. Similarly, Hu et al. showed that rutile particles (10–20 nm), at concentrations above 1 g/kg soil, can be bio-accumulated in earthworms, where they induce oxidative stress, inhibit the activity of cellulase and induce DNA and mitochondrial damage.

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In addition to environmental considerations, the presence of titanium dioxide in water also has implications in water treatment and purification. TiO2's photocatalytic properties make it a promising material for water purification, especially in removing organic pollutants and heavy metals. Researchers in China are actively studying the potential of TiO2-based photocatalysts for water remediation, contributing to the global efforts in clean water solutions.

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{随机栏目} 2025-08-14 04:35 994