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Did you mean: Daphnid ?
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- TSCA New Chemicals Program Chemical Categories | New Chemicals Program | US EPA05-01-2009
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- ... organisms include: the fish early life state toxicity test, the daphnid partial life cycle toxicity test and the algal toxicity test.
- Significant New Uses of Certain Chemical Substances | Chemical Testing & Data Collection | USEPA10-01-2009
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- The fish and daphnid tests should be conducted with flow-through methods and measured ... The fish and daphnid tests should be conducted with the flow-through methods and ...
- Significant New Uses of Certain Chemical Substances | Chemical Testing & Data Collection | USEPA10-01-2009
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- ... determined that a fish acute toxicity study (OPPTS 850.1075), a daphnid acute toxicity study (OPPTS 850.1010), and an algal acute toxicity ...
- Final Report | Mechanistic Approach to Screening Chemicals and Mixtures for Endocrine Activity Using an Invertebrate Model11-19-2007
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- ... of chemicals that the herbicide atrazine elevated hemoglobin levels in daphnids and hypothesized that atrazine induced hemoglobin in daphnids through the hormonal regulatory pathway ...
- 1999 Annual Report | Metabolic Androgenization of Invertebrates by Endocrine-Disrupting Chemicals
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- ... program is to definitively characterize the biotransformation of testosterone by daphnids and mud snails and evaluate the effects of specific environmental ...
- Episodic Event Toxicity in an Urban Stormwater Context
- "Describes a project studying episodic event toxicity in an urban stormwater context."
- 2000 Annual Report | Metabolic Androgenization of Invertebrates by Endocrine-Disrupting Chemicals
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- We subsequently demonstrated that 20-hydroxyecdysone could protect daphnids against the effects of testosterone on both molting and embryonic ... Furthermore, daphnids could be protected against the effects of fenarimol by co ...
- Development of Chemical Categories in the HPV Challenge Program | High Production Volume (HPV) Challenge Program | OPPT | US EPA11-28-2007
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- ... length and a decrease in acute toxicity to fish and daphnids with an increase in carbon chain length... and octene may exhibit moderate acute toxicity to fish and daphnids based on measured values (NOEC, LC 50 , EC 50.
- Development of Chemical Categories in the HPV Challenge Program | High Production Volume (HPV) Challenge Program | OPPT | US EPA11-28-2007
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- ... length and a decrease in acute toxicity to fish and daphnids with an increase in carbon chain length... and octene may exhibit moderate acute toxicity to fish and daphnids based on measured values (NOEC, LC 50 , EC 50.
- Final Report | Metabolic Androgenization of Invertebrates by Endocrine-Disrupting Chemicals07-18-2003
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- ... methyl farnesoate is the endogenous male-sex determining hormone in daphnids and environmental juvenoids (methoprene, pyriproxyfen) have the ability to disrupt sex ratios in daphnid populations by acting as methyl farnesoate agonists ...