Results 101 to 110 of about 763 (144)
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Serum protein and renal tissue binding of 2,4,5-trichlorophenoxyacetic acid
Toxicology and Applied Pharmacology, 1979Abstract The herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) has a low-to-moderate toxicity in animals; however, high doses of 2,4,5-T have been shown to cause various toxic effects in mammals. Although this compound can be rapidly eliminated from the body by renal transport, there are circumstances wherein large amounts of this compound ...
F J, Koschier, S K, Hong, W O, Berndt
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Toxicology and Applied Pharmacology, 1972
Abstract Chicks were able to tolerate large dietary doses of the herbicides 2,4-dichlorophenoxyacetic acid (2,4-D) and 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), the only adverse effects being a reduction in food consumption and growth rate. A level of 5000 mg 2,4,5-T/kg proved fatal to chicks; a similar level of 2,4-D, while not resulting in death,
C C, Whitehead, R J, Pettigrew
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Abstract Chicks were able to tolerate large dietary doses of the herbicides 2,4-dichlorophenoxyacetic acid (2,4-D) and 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), the only adverse effects being a reduction in food consumption and growth rate. A level of 5000 mg 2,4,5-T/kg proved fatal to chicks; a similar level of 2,4-D, while not resulting in death,
C C, Whitehead, R J, Pettigrew
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MUTATION TEST OF 2,4,5-TRICHLOROPHENOXYACETIC ACID ON DROSOPHILA MELANOGASTER
Canadian Journal of Genetics and Cytology, 1974Oregon-R Drosophila melanogaster males were fed medium containing 0, 250, and 1000 pm of 2,4,5-T to test the mutagenic effects of this herbicide. Both levels of the herbicide increased the number of sex-linked recessive lethals. This increase in mutation rate was found to be significant only at the 1000 ppm concentration.
S K, Majumdar, J K, Golia
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Raoultella planticola, a new strain degrading 2,4,5-trichlorophenoxyacetic acid
Applied Biochemistry and Microbiology, 2006A new strain that degrades the herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) was isolated from soil, which was exposed to factors related to the petrochemical industry. According to its physiological, biochemical, cultural, and morphological traits, together with the sequence of the 16S rRNA gene, the strain was identified as Raoultella ...
N V, Zharikova +8 more
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A new synthesis of 2,4,5‐trichlorophenoxyacetic acid (2,4,5‐T)
Recueil des Travaux Chimiques des Pays-Bas, 1955AbstractA new synthesis of 2,4,5‐trichlorophenoxyacetic add (2,4,5‐T) is described.A mixture of the insecticidally inactive α‐ and β‐isomers of hexachlorocyclohexane, obtained as a by‐product in the manufacture of the γ‐isomer is converted into 1,2,4‐trichlorobenzene.
H. O. Huisman, A. Smit
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Teratology studies with 2,4,5-trichlorophenoxyacetic acid and 2,3,7,8-tetrachlorodibenzo-P-dioxin
Toxicology and Applied Pharmacology, 1971Abstract The herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) were teratogenic in the CD-1, DBA 2 J , and C57B1 6 J strains of mice. Both compounds produced cleft palates and kidney malformations. When these compounds were administered in combination, the activity was not potentiated
K D, Courtney, J A, Moore
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Journal of the Science of Food and Agriculture, 1964
AbstractThe extraction and determination by gas chromatography of 2,4‐dichloro‐ (2,4‐D) and 2,4,5‐trichloro‐phenoxyacetic acids (2,4,5‐T) as their methyl esters when present together in lawn fertilisers is described. The recovery of these herbicides varies with the composition of the fertiliser and four formulations have been studied to cover the most ...
J. K. Bradley, W. K. Thompson
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AbstractThe extraction and determination by gas chromatography of 2,4‐dichloro‐ (2,4‐D) and 2,4,5‐trichloro‐phenoxyacetic acids (2,4,5‐T) as their methyl esters when present together in lawn fertilisers is described. The recovery of these herbicides varies with the composition of the fertiliser and four formulations have been studied to cover the most ...
J. K. Bradley, W. K. Thompson
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The non-teratogenicity of 2,4,5-trichlorophenoxyacetic acid in the rhesus monkey (macaca mulatta)
Bulletin of Environmental Contamination and Toxicology, 1975The herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) containing 0.05 ppm of tetrachlorodibenzo-p-dioxin, was administered to pregnant rhesus monkeys daily from Day 22 through Day 38 of gestation. At the dose levels administered, 0.05 mg/kg, 1 mg/kg, and 10 mg/kg, no evidence of toxicity was seen in the mother and no evidence of teratogenicity was ...
W J, Dougherty, M, Herbst, F, Coulston
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Disappearance of 2,4‐dichlorophenoxyacetic Acid and 2,4,5‐trichlorophenoxyacetic Acid from Soil
Soil Science Society of America Journal, 1952Abstract 2,4‐D was incubated in the laboratory with different depths of Duffield silty clay loam, and its disappearance therefrom was determined by a cucumber root elongation test. The lag period before onset of decomposition and the time required for complete decomposition of 2,4‐D increased with depth.
A. S. Newman, J. R. Thomas, R. L. Walker
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In vitro analysis of transport of 2,4,5-trichlorophenoxyacetic acid by rat and dog kidney
Food and Cosmetics Toxicology, 1974Renal transport of 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) was studied quantitatively in vitro using renal cortical slices from dogs and rats, in an attempt to explain species differences in the biological half-life of the compound. Addition of 2,4,5-T to slices of rat renal cortex competitively inhibited active transport of p-aminohippuric acid ...
J B, Hook +3 more
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