… of binary metal mixtures in surface water to the freshwater cladoceran Ceriodaphnia dubia.
… In Playle’s models the LC50 value, also 1 TU, for a metal is assumed to occur when 50% of …

… toxicity of these metals to the cladoceran Ceriodaphnia cf … concentration of copper that
immobilized 50% of the cladocerans (… the toxicity of copper to the cladoceran Ceriodaphnia dubia, …

… A 50 ml subsample was taken from each test concentration. These subsamples were filtered
… to predict metal dynamics in the field, including the uptake and toxicity of different types of …

… with mercury, other metals, and polychlorinated biphenyls. The … water), we started with 50
replicates (one daphnid per beaker … evidence of chronic toxicity to Ceriodaphnia by extending …

… chronic metal mixture models, we need to understand how metals interact in metal mixtures
during chronic … concentration of metal i (c Mei ) divided by the 50% effective concentration of …

… acute and chronic toxicity in Ceriodaphnia dubia an important … Preparations were diluted
as a 50% dilution series as above (… the case for other metals and metal NPs, such as AuNPs. …

… Short-term laboratory studies of metal toxicity suggest that … Sixteen chronic toxicity tests
were conducted with C. … Each test consisted of five concentrations of Ni or Zn in a 50% dilution …

… in either the presence or the absence of waterborne metals. In one set of chronic toxicity …
We added 50 or 100 μl of trace metal-grade HNO 3 per 1 ml of liquid in acid-washed plastic …

… duration of acute and chronic toxicity tests to account for 1) … dubia, for those treatments
producing >50% effects, median times … ligand models (BLMs) for metal toxicity. Such models were …

… and feeding time was tested using 30 neonates in a 50-mL beaker (25 mL liquid volume). …
assays and are particularly good for testing heavy metals, with ECso values one to two orders …