Search Results - "Borgmann, U."

Effects of Metal Mixtures on Aquatic Biota: A Review of Observations and Methods by Norwood, W.P., Borgmann, U., Dixon, D.G., Wallace, A.

“…A brief review of the historical development of metal mixture interaction analyses is presented. The two major classifications of mixture models are outlined,…”
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Systematic analysis of aqueous ion requirements of Hyalella azteca : A standard artificial medium including the essential bromide ion by BORGMANN, U

“…Sodium and bicarbonate are essential ions required by Hyalella azteca; their absence results in rapid mortality. Calcium and bromide are the only other two…”
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Geochemistry and toxicity of sediment porewater in a salt-impacted urban stormwater detention pond by Mayer, T., Rochfort, Q., Borgmann, U., Snodgrass, W.

“…A comprehensive study was carried out to investigate the impacts of road salts on the benthic compartment of a small urban detention facility, Rouge River…”
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Modelling Bioaccumulation and Toxicity of Metal Mixtures by Borgmann, U., Norwood, W. P., Dixon, D. G.

“…Bioaccumulation of metals in mixtures may demonstrate competitive, anticompetitive, or non-competitive inhibition, as well as various combinations of these…”
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Chronic toxicity of arsenic, cobalt, chromium and manganese to Hyalella azteca in relation to exposure and bioaccumulation by Norwood, W.P., Borgmann, U., Dixon, D.G.

“…Chronic toxicity of As, Co, Cr and Mn to Hyalella azteca can be described using a saturation-based mortality model relative to total-body or water metal…”
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Kinetics of uranium uptake in soft water and the effect of body size, bioaccumulation and toxicity to Hyalella azteca by Alves, L.C., Borgmann, U., Dixon, D.G.

“…The kinetics of uptake and the effect of body size on uranium (U) bioaccumulation and toxicity to Hyalella azteca exposed to water-only U concentrations in…”
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Interactive effects of metals in mixtures on bioaccumulation in the amphipod Hyalella azteca by Norwood, W.P., Borgmann, U., Dixon, D.G.

“…Mixtures were produced of “equi-toxic” concentrations of 10 elements at the 4-week LC25 for Hyalella azteca. Bioaccumulation was determined in 1-week…”
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Effect of a mixture of seven pharmaceuticals on Hyalella azteca over multiple generations by Borgmann, U., Bennie, D.T., Ball, A.L., Palabrica, V.

“…A mixture of seven common pharmaceutical agents (acetaminophen, diclofenac, gemfibrozil, ibuprofen, naproxen, salicylic acid, and triclosan) was tested for its…”
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Relative contribution of food and water to 27 metals and metalloids accumulated by caged Hyalella azteca in two rivers affected by metal mining by Borgmann, U., Couillard, Y., Grapentine, L.C.

“…Hyalella were caged at three sites in each of the two rivers for 17 days. Food added to the cages consisted of plant and detrital material collected from the…”
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Re-evaluation of metal bioaccumulation and chronic toxicity in Hyalella azteca using saturation curves and the biotic ligand model by Borgmann, U., Norwood, W.P., Dixon, D.G.

“…Bioaccumulation by Hyalella of all metals studied so far in our laboratory was re-evaluated to determine if the data could be explained satisfactorily using…”
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Evaluation of the biotic ligand model to predict long-term toxicity of nickel to Hyalella azteca by Schroeder, J.E., Borgmann, U., Dixon, D.G.

“…Three models were developed and evaluated for their ability to predict long-term bioaccumulation of nickel (Ni) and its toxicity to Hyalella azteca using data…”
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Saturation models of arsenic, cobalt, chromium and manganese bioaccumulation by Hyalella azteca by Norwood, W.P., Borgmann, U., Dixon, D.G.

“…Bioaccumulation of As, Co, Cr and Mn by the benthic amphipod Hyalella azteca in Burlington City tap (Lake Ontario) water was measured in 4-week tests…”
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Methods for assessing the toxicological significance of metals in aquatic ecosystems: bio-accumulation-toxicity relationships, water concentrations and sediment spiking approaches by Borgmann, U.

“…Although the published literature abounds with studies showing contamination of aquatic environments by metals, there are very few data which actually…”
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A mechanistic model of copper accumulation in Hyalella azteca by Borgmann, U.

“…A mechanistic model is proposed for describing the accumulation of copper in Hyalella azteca. The metal is assumed to diffuse passively into and out of the…”
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The amphipod Hyalella azteca as a biomonitor in field deployment studies for metal mining by Couillard, Y., Grapentine, L.C., Borgmann, U., Doyle, P., Masson, S.

“…Specimens of the amphipod Hyalella azteca were deployed, in June–July 2003, along metal contamination gradients in two rivers affected by metal mining in the…”
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Assessing the cause of impacts on benthic organisms near Rouyn-Noranda, Quebec by Borgmann, U, Nowierski, M, Grapentine, L.C, Dixon, D.G

“…Sediments from lakes near Rouyn-Noranda, Quebec, contain elevated concentrations of several metals, including Cd, Cu, Pb and Zn. Amphipods, fingernail clams,…”
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Models of Cadmium Accumulation and Toxicity to Hyalella azteca during 7- and 28-Day Exposures by Borgmann, U., Schroeder, J. E., Golding, L. A., Dixon, D. G.

“…The inhibition of Cd accumulation by Ca in the amphipod Hyalella azteca in short-term (7-d) exposures appears to follow anti-competitive, rather than…”
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Water–sediment interactions for Hyalella azteca exposed to uranium-spiked sediment by Alves, L.C., Borgmann, U., Dixon, D.G.

“…Data on the toxicity of uranium in sediments to Hyalella azteca and the effect of overlying water chemistry are limited. This study exposed H. azteca to…”
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Toxicity and bioaccumulation of thallium in Hyalella azteca, with comparison to other metals and prediction of environmental impact by Borgmann, U, Cheam, V, Norwood, W.P, Lechner, J

“…Thallium (Tl) is an extremely toxic but little studied metal. For Hyalella azteca exposed in Lake Ontario water, a 25% reduction in survival (the LC 25)…”
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Quantification of bioavailable nickel in sediments and toxic thresholds to Hyalella azteca by BORGMANN, U, NERON, R, NORWOOD, W. P

“…Bioaccumulation and chronic toxicity of nickel (Ni) to Hyalella azteca in Ni-spiked sediments was strongly affected by the source of sediment used. The total…”
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