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Evaluation of interstitial water as a route of exposure for ammonia in sediment tests with benthic macroinvertebrates
TLDR
Overall, at least for some benthic species, ammonia bioavailability and toxicity can be accurately predicted from pore-water concentrations of the compound; however, the model maybe less robust for more epibenthic organisms, such as H. azteca.
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Effects of Chironomus tentans larval growth retardation on adult emergence and ovipositing success: implications for interpreting freshwater sediment bioassays
TLDR
Growth retardation of third-to fourth-instar larvae over a 10-d test period on long-term survival, adult emergence, and ovipositing success was assessed to provide interpretive guidance for the commonly used growth endpoint in 10-D sediment bioassays with C. tentans.
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A physiologically based toxicokinetic model for dietary uptake of hydrophobic organic compounds by fish: I. Feeding studies with 2,2',5,5'-tetrachlorobiphenyl.
TLDR
A physiologically based toxicokinetic (PBTK) model developed to describe dietary uptake of hydrophobic organic compounds by fish concluded that a kinetic limitation acting along the entire length of the GI tract resulted in a chemical disequilibrium between feces and tissues of the lower intestine.
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Effects of acid‐volatile sulfide on zinc bioavailability and toxicity to benthic macroinvertebrates: A spiked‐sediment field experiment
TLDR
Lack of noteworthy pore-water zinc concentrations and lack of associated, ecologically meaningful effects were attributed to the increase in AVS levels observed with increasing SEM zinc sediment concentration.
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Dietary uptake kinetics of 2,2',5,5'-tetrachlorobiphenyl in rainbow trout.
TLDR
Measured assimilation efficiencies exceeded 90% and are the highest ever reported in fish feeding studies with TCB and probably represented near equilibrium conditions.
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A physiologically based toxicokinetic model for dietary uptake of hydrophobic organic compounds by fish: II. simulation of chronic exposure scenarios.
TLDR
A physiologically based toxicokinetic model for dietary uptake of hydrophobic organic compounds by fish was used to simulate dosing scenarios commonly encountered in experimental and field studies, and relatively low rates of metabolism or growth were shown to have a substantial impact on steady-state biomagnification of chemical residues.
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Summary of the development the US Environmental Protection Agency's Medaka Extended One Generation Reproduction Test (MEOGRT) using data from 9 multigenerational medaka tests
TLDR
The present study describes both the final MEOGRT protocol that has been published by the USEPA and the OECD, and the iterations that provided valuable insights into nuances of the protocol.
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The effects of continuous diazinon exposure on growth and reproduction in Japanese medaka using a modified Medaka Extended One Generation Reproduction Test (MEOGRT).
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Sub-chronic exposure to 1,1-dichloropropene induces frameshift mutations in λ transgenic medaka
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The effects of combinations of limited ration and diazinon exposure on acetylcholinesterase activity, growth and reproduction in Oryzias latipes, the Japanese medaka
TLDR
A toxicity test designed to estimate the effect on Japanese medaka of both reduced food and chronic exposure to diazinon, an acetylcholinesterase inhibiting organophosphate pesticide is described.
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