2010
DOI: 10.1016/j.tox.2009.07.007
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Toxicity of ZnO and CuO nanoparticles to ciliated protozoa Tetrahymena thermophila

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Cited by 303 publications
(203 citation statements)
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References 55 publications
(81 reference statements)
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“…The lower toxicity of nCuO in freshwater may reflect its slower dissolution at low ionic strengths and Cu + 2 complexation in the presence of organic matter Garner and Keller, 2014;Griffitt et al, 2007;Blinova et al, 2010;Mortimer et al, 2010;Garner et al, 2015;Wang et al, 2011). Other studies indicate that the toxic effect observed from nCuO strongly correlates with the fraction of NP dissolved in aquatic media (Garner and Keller, 2014;Blinova et al, 2010;Aruoja et al, 2009).…”
Section: Aquatic Toxicity Studiesmentioning
confidence: 99%
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“…The lower toxicity of nCuO in freshwater may reflect its slower dissolution at low ionic strengths and Cu + 2 complexation in the presence of organic matter Garner and Keller, 2014;Griffitt et al, 2007;Blinova et al, 2010;Mortimer et al, 2010;Garner et al, 2015;Wang et al, 2011). Other studies indicate that the toxic effect observed from nCuO strongly correlates with the fraction of NP dissolved in aquatic media (Garner and Keller, 2014;Blinova et al, 2010;Aruoja et al, 2009).…”
Section: Aquatic Toxicity Studiesmentioning
confidence: 99%
“…(ECOTOX Database, 2014) Although there are only a few studies on the toxicity of nCu, 48-h LC 50 ranges from 47 μg/L to 419 μg/L for Ceriodaphnia dubia (Gao et al, 2009;Griffitt et al, 2008) and from 700 μg/L to 1500 μg/L for Danio rerio juveniles and adults (Griffitt et al, 2007;Griffitt et al, 2008). For nCuO, 24-h LC 50 ranges from 470 μg/L to 217 mg/L (Manusadžianas et al, 2012;Heinlaan et al, 2008;Blinova et al, 2010;Gallego et al, 2007), while 24-h EC 50 ranges from 30 μg/L to 126 mg/L across several organisms (Blinova et al, 2010;Mortimer et al, 2011;Kasemets et al, 2009;Mortimer et al, 2010;Jo et al, 2012). This information was used to construct species sensitivity distributions (SSDs) for freshwater organisms (Garner et al, 2015).…”
Section: Aquatic Toxicity Studiesmentioning
confidence: 99%
“…[1][2][3][4][5] Several kinds of metals and metal oxides posses obvious killing abilities to most microbes even at very low concentrations. 6 Different metal, oxide or salt compounds, mostly based on silver, copper, zinc and magnesium kill microbes by binding to intracellular proteins and inactivating them.…”
Section: Introductionmentioning
confidence: 99%
“…nCuO significantly decreases the proportion of unsaturated fatty acids (UFA) while it increases the relative amount of two saturated fatty acids by lowering membrane fluidity and inhibition of de-novo synthesis of fatty acid desaturases in Tetrahymena [18]. In addition, Ag, CuO and ZnO nanoparticle induces toxicity and decreases growth of Tetrahymena [19][20][21]. The aquatic organism, Tetrahymena synthesizes dopamine, noradrenaline and adrenaline at significant level although this organism does not contain adrenal medulla or nervous system [22].…”
Section: Introductionmentioning
confidence: 99%