ArticleEnvironmental toxicology and chemistry2018
Assessing the release of copper from nanocopper-treated and conventional copper-treated lumber into marine waters II: Forms and bioavailability.
Article in Environmental toxicology and chemistry, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Engineered nano-pesticides: a multifaceted strategy for sustainable crop protection and enhanced food security in the era of climate change.Plant signaling & behavior · 2026Review
- Simulation of the Environmental Fate and Transformation of Nano Copper Oxide in a Freshwater Environment.ACS ES&T water · 2022Article
- Nano-enabled pesticides for sustainable agriculture and global food security.Nature nanotechnology · 2022Article
- Floating particles with high copper concentration in the sea-surface microlayer.Environmental science and pollution research international · 2022Article
- Focused Microbiome Shifts in Reconstructed Wetlands Correlated with Elevated Copper Concentrations Originating from Micronized Copper Azole-Treated Wood.Environmental toxicology and chemistry · 2021Article
- Transformation and release of micronized Cu used as a wood preservative in treated wood in wetland soil.Environmental pollution (Barking, Essex : 1987) · 2021Article
- Strategies for robust and accurate experimental approaches to quantify nanomaterial bioaccumulation across a broad range of organisms.Environmental science. Nano · 2019Article
- Magnitude of acute toxicity of marine sediments amended with conventional copper and nanocopper.Environmental toxicology and chemistry · 2018Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
One application of nanocopper is as a wood-preserving pesticide in pressure-treated lumber. Recent research has shown that pressure-treated lumber amended with micronized copper azole (MCA), which contains nanosized copper, releases copper under estuarine and marine conditions. The form of copper released (i.e., ionic, nanocopper [1-100 nm in size]) is not fully understood but will affect the bioavailability and toxicity of the metal. In the present study, multiple lines of evidence, including size fractionation, ion-selective electrode electrochemistry, comparative toxicity, and copper speciation were used to determine the form of copper released from lumber blocks and sawdust. The results of all lines of evidence supported the hypothesis that ionic copper was released from MCA lumber and sawdust, with little evidence that nanocopper was released. For example, copper concentrations in size fractionations of lumber block aqueous leachates including unfiltered, 0.1 μm, and 3 kDa were not significantly different, suggesting that the form of copper released was in the size range operationally defined as dissolved. These results correlated with the ion-selective electrode data which detects only ionic copper. In addition, comparative toxicity testing resulted in a narrow range of median lethal concentrations (221-257 μg/L) for MCA lumber blocks and CuSO
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Registered trials
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