The US Congress has passed legislation requiring the US Environmental Protection Agency
(US EPA) to develop, validate, and implement screening tests for identifying potential …

Amphibians are considered reliable indicators of environmental quality. In the western
United States, a general decline of frog populations parallels an apparent worldwide …

Due to the use of a limited number of species and subchronic exposures, current ecological
hazard assessment processes can underestimate the chronic toxicity of environmental …

A eedi recognizedforthedevelopmentandevaluatio… s stem–disrupting compounds. The
issue of testing for thyroid disruption can be addressed by exploiting amphibian …

This chapter summarizes recent developments in the design, synthesis, and structure–
activity relationship studies of organometallic antimalarials. It begins with a general …

The National Toxicology Program (NTP) and the National Institute of Environmental Health
Sciences (NIEHS) established the NTP Center for the Evaluation of Risks to Human …

An expert workshop recently was convened to consider the frog embryo teratogenesis assay‐
Xenopus (FETAX) as a screening method for identifying the potential developmental toxicity …

Historically, ecological risk assessments have rarely included amphibian species, focusing
preferentially on other aquatic (fish, invertebrates, algae) and terrestrial wildlife (birds and …

Abstract FETAX (Frog Embryo Teratogenesis Assay—Xenopus) is a 96‐h whole‐embryo
developmental toxicity screening assay that can be used in ecotoxicology and in detecting …

The objective of this work was to evaluate the potential teratogenic and toxic effect of the
herbicide 2, 4-D (DMA® 806) on bullfrog embryos and tadpoles (Lithobates catesbeianus) …