Effects of Physiochemical Properties of Test Media on Nanoparticle Toxicity to Daphnia magna Straus
The physicochemical property of standard test media significantly influenced the
aggregation and dissolution of Ag, CuO and ZnO nanoparticles (NPs) and the toxicity of the
NPs to Daphnia magna. For all the NPs, the highest amount of metal ions was released from
the ISO medium, whereas acute toxicity to D. magna was highest in the moderately hard
water medium (EC 50= 4.94, 980, and 1,950 μg L− 1 for Ag, CuO, and ZnO, respectively). By
comparing EC 50 values based on the total and dissolved concentrations of NPs with those …
aggregation and dissolution of Ag, CuO and ZnO nanoparticles (NPs) and the toxicity of the
NPs to Daphnia magna. For all the NPs, the highest amount of metal ions was released from
the ISO medium, whereas acute toxicity to D. magna was highest in the moderately hard
water medium (EC 50= 4.94, 980, and 1,950 μg L− 1 for Ag, CuO, and ZnO, respectively). By
comparing EC 50 values based on the total and dissolved concentrations of NPs with those …
Effects of physiochemical properties of test media on nanoparticle toxicity to Daphnia magna Straus.
SJH Seo JaeHwan, KSY Kim SoYoun… - 2014 - cabidigitallibrary.org
The physicochemical property of standard test media significantly influenced the
aggregation and dissolution of Ag, CuO and ZnO nanoparticles (NPs) and the toxicity of the
NPs to Daphnia magna. For all the NPs, the highest amount of metal ions was released from
the ISO medium, whereas acute toxicity to D. magna was highest in the moderately hard
water medium (EC50= 4.94, 980, and 1,950 µg L-1 for Ag, CuO, and ZnO, respectively). By
comparing EC50 values based on the total and dissolved concentrations of NPs with those …
aggregation and dissolution of Ag, CuO and ZnO nanoparticles (NPs) and the toxicity of the
NPs to Daphnia magna. For all the NPs, the highest amount of metal ions was released from
the ISO medium, whereas acute toxicity to D. magna was highest in the moderately hard
water medium (EC50= 4.94, 980, and 1,950 µg L-1 for Ag, CuO, and ZnO, respectively). By
comparing EC50 values based on the total and dissolved concentrations of NPs with those …
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