Effects of physiochemical properties of test media on nanoparticle toxicity to daphnia magna straus

Jaehwan Seo; Soyoun Kim; Seona Choi; Dongwook Kwon; Tae Hyun Yoon; Woo Keun Kim; June Woo Park; Jinho Jung

doi:10.1007/s00128-014-1337-z

Effects of physiochemical properties of test media on nanoparticle toxicity to daphnia magna straus

Jaehwan Seo, Soyoun Kim, Seona Choi, Dongwook Kwon, Tae Hyun Yoon, Woo Keun Kim, June Woo Park, Jinho Jung^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

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= 4.94, 980, and 1,950 μg L^-1 for Ag, CuO, and ZnO, respectively). By comparing ECvalues based on the total and dissolved concentrations of NPs with those of metal salt solutions, we found that both particulate and dissolved fractions were likely responsible for the toxicity of Ag NPs, whereas the dissolved fraction mostly contributed to the toxicity of CuO and ZnO NPs.

Original language	English
Pages (from-to)	257-262
Number of pages	6
Journal	Bulletin of Environmental Contamination and Toxicology
Volume	93
Issue number	3
DOIs	https://doi.org/10.1007/s00128-014-1337-z
Publication status	Published - 2014 Sept

Keywords

Acute toxicity
Copper
Daphnia magna
Nanotoxicology
Silver
Zinc

ASJC Scopus subject areas

Toxicology
Pollution
Health, Toxicology and Mutagenesis

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10.1007/s00128-014-1337-z

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title = "Effects of physiochemical properties of test media on nanoparticle toxicity to daphnia magna straus",

abstract = "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= 4.94, 980, and 1,950 μg L-1 for Ag, CuO, and ZnO, respectively). By comparing ECvalues based on the total and dissolved concentrations of NPs with those of metal salt solutions, we found that both particulate and dissolved fractions were likely responsible for the toxicity of Ag NPs, whereas the dissolved fraction mostly contributed to the toxicity of CuO and ZnO NPs.",

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T1 - Effects of physiochemical properties of test media on nanoparticle toxicity to daphnia magna straus

AU - Seo, Jaehwan

AU - Kim, Soyoun

AU - Choi, Seona

AU - Kwon, Dongwook

AU - Yoon, Tae Hyun

AU - Kim, Woo Keun

AU - Park, June Woo

AU - Jung, Jinho

PY - 2014/9

Y1 - 2014/9

N2 - 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= 4.94, 980, and 1,950 μg L-1 for Ag, CuO, and ZnO, respectively). By comparing ECvalues based on the total and dissolved concentrations of NPs with those of metal salt solutions, we found that both particulate and dissolved fractions were likely responsible for the toxicity of Ag NPs, whereas the dissolved fraction mostly contributed to the toxicity of CuO and ZnO NPs.

AB - 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= 4.94, 980, and 1,950 μg L-1 for Ag, CuO, and ZnO, respectively). By comparing ECvalues based on the total and dissolved concentrations of NPs with those of metal salt solutions, we found that both particulate and dissolved fractions were likely responsible for the toxicity of Ag NPs, whereas the dissolved fraction mostly contributed to the toxicity of CuO and ZnO NPs.

KW - Acute toxicity

KW - Copper

KW - Daphnia magna

KW - Nanotoxicology

KW - Silver

KW - Zinc

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JO - Bulletin of Environmental Contamination and Toxicology

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Effects of physiochemical properties of test media on nanoparticle toxicity to daphnia magna straus

Abstract

Keywords

ASJC Scopus subject areas

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