نتایج جستجو برای: developmental toxicity
تعداد نتایج: 238298 فیلتر نتایج به سال:
A 28-day repeated dose toxicity test and reproduction/developmental toxicity test for N,N'-diphenyl-p-phenylenediamine (DPPD) were conducted in [Crl:CD(SD)] SPF rats. Male and female rats were dosed with DPPD by gavage for 28 days at 0, 100, 300, or 1000 mg/kg bw/day or for a total of 42-46 days at 0, 8, 50, or 300 mg/kg bw/day. No significant adverse effects were observed in the repeated dose ...
Explanation.................................................................................................. 189 Evaluation for acceptable daily intake......................................................... 190 Biochemical aspects ......................................................................... 190 Absorption, distribution and excretion ....................................... 190 Me...
Worldwide, pyrethroid pesticides have been widely used in the control of agricultural pests and indoor pesticides, so they an important impact on human daily life. The acute toxicity studies gotten many achievements progress, but there is still no clear demonstration its long-term chronic effects. This review presented collection published experiments, population surveys laboratory tests effect...
In recent years, with the aggravation of environmental pollution, study aquatic ecotoxicology has become a hot topic. Some organisms, such as large fleas, toads, and zebrafish, have been developed applied model organisms. They increasingly used to bioaccumulation toxicity pollutants due advantages their small size, easy reproduction, short life cycle, low maintenance cost, ability combine genet...
Nitrated polycyclic aromatic hydrocarbons (NPAHs) and heterocyclic PAHs (HPAHs) are recognized environmental pollutants. However, the health risks of NPAHs and HPAHs to humans and environmental systems are not well-studied. The developmental zebrafish (Danio rerio) model was used to evaluate the toxicity of a structurally diverse set of 27 NPAHs and 10 HPAHs. The individual activity of each com...
Lubricating oil base stocks (LOBs) are substances used in the manufacture of finished lubricants and greases. They are produced from residue remaining after atmospheric distillation of crude oil that is subsequently fractionated by vacuum distillation and additional refining steps. Initial LOB streams that have been produced by vacuum distillation but not further refined may contain polycyclic ...
Intestinal helminths cause iron-deficiency anemia in pregnant women, associated with premature delivery, low birth weight, maternal ill health, and maternal death. Although benzimidazole compounds such as mebendazole (MBZ) are highly efficacious against helminths, there are limited data on its use during pregnancy. In this study, we performed in vivo imaging of the retinas of zebrafish larvae e...
Toxicity testing in the 21st century is moving toward using high-throughput screening assays to rapidly test thousands of chemicals against hundreds of molecular targets and biological pathways, and to provide mechanistic information on chemical effects in human cells and small model organisms. First-generation predictive models for prenatal developmental toxicity have revealed a complex web of...
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