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

Research output: Contribution to journalArticle

16 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 languageEnglish
Pages (from-to)257-262
Number of pages6
JournalBulletin of Environmental Contamination and Toxicology
Volume93
Issue number3
DOIs
Publication statusPublished - 2014 Jan 1

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Daphnia
Nanoparticles
Toxicity
Metals
Metal ions
Dissolution
Agglomeration
Salts
Ions
Water

ASJC Scopus subject areas

  • Health, Toxicology and Mutagenesis
  • Pollution
  • Toxicology

Cite this

Effects of physiochemical properties of test media on nanoparticle toxicity to daphnia magna straus. / Seo, Jaehwan; Kim, Soyoun; Choi, Seona; Kwon, Dongwook; Yoon, Tae Hyun; Kim, Woo Keun; Park, June Woo; Jung, Jinho.

In: Bulletin of Environmental Contamination and Toxicology, Vol. 93, No. 3, 01.01.2014, p. 257-262.

Research output: Contribution to journalArticle

Seo, Jaehwan ; Kim, Soyoun ; Choi, Seona ; Kwon, Dongwook ; Yoon, Tae Hyun ; Kim, Woo Keun ; Park, June Woo ; Jung, Jinho. / Effects of physiochemical properties of test media on nanoparticle toxicity to daphnia magna straus. In: Bulletin of Environmental Contamination and Toxicology. 2014 ; Vol. 93, No. 3. pp. 257-262.
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