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Individual and Joint Toxicity of Three Chloroacetanilide Herbicides to Freshwater Cladoceran Daphnia carinata.
Individual and joint toxicity of three chloroacetanilide herbicides to a freshwater cladoceran were studied. The 48?h-LC values of alachlor, acetochlor and butachlor to Daphnia carinata Dc42 were 11.1...Read More
Investigation of the dissociation pathways of metolachlor, acetochlor and alachlor under electron ionization - application to the identification of ozonation products.
With the future aim of using gas chromatography coupled with mass spectrometry to characterize the transformation products of ozonated herbicides: metolachlor, acetochlor and alachlor, an interpretati...Read More
Assessing the impact of chloroacetanilide herbicides and their metabolites on periphyton in the Leyre River (SW France) via short term growth inhibition tests on autochthonous diatoms.
The Leyre River is the main tributary to the Bassin d'Arcachon lagoon. Herbicides belonging to the chloroacetanilide class have been found in the river (S-metolachlor and acetochlor) as well as s...Read More
Vertical small scale variations of sorption and mineralization of three herbicides in subsurface limestone and sandy aquifer
Vertical variation in sorption and mineralization potential of mecoprop (MCPP), isoproturon and acetochlor were investigated at low concentrations (@mg-range) at the cm-scale in unsaturated sub-surfac...Read More
Toxic Effects of Acetochlor on Mortality, Reproduction and Growth of Caenorhabditis elegans and Pristionchus pacificus.
The effects of acetochlor on the mortality, growth and reproduction of two nematode species were assessed. The LC values for Caenorhabditis elegans and Pristionchus pacificus were 1,296 and 210.7?mg/L...Read More
Near-infrared spectroscopy study for determination of adsorbed acetochlor in the organic and inorganic bentonites.
NIR spectroscopy is used to determine acetochlor herbicide adsorption on Na-montmorillonite (NaP) and organically modified montmorillonite (NaOM). Both montmorillonites NIR spectra shows bands at 7061...Read More
GC-MS(n) and LC-MS/MS couplings for the identification of degradation products resulting from the ozonation treatment of Acetochlor.
The degradation of the chloracetamide herbicide acetochlor has been studied under simulated ozonation treatment plant conditions. The degradation of acetochlor included the formation of several degrad...Read More
The strain A-3 which could use acetochlor as the sole nitrogen source was isolated from soils contaminated with acetochlor and the sludge of pesticide factory by enrichment culture. The strain was ide...Read More
Currently, the determination of health risks to pesticide applicators from dermal exposure to these chemicals is assessed using either a concentrate of the compound or a relevant aqueous dilution. Nei...Read More
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C-fin: a cultured frog tadpole tail fin biopsy approach for detection of thyroid hormone-disrupting chemicals.
There is a need for the development of a rapid method for identifying chemicals that disrupt thyroid hormone (TH) action while maintaining complex tissue structure and biological variation. Moreover, ...Read More
Mineralization of isoproturon, mecoprop and acetochlor in a deep unsaturated limestone and sandy aquifer
Isoproturon (N,N-dimethyl-N'-[4-(1-methylethyl)phenyl]urea), mecoprop (MCPP) (2-(4-chloro-2-methylphenoxy)propanoic acid) and acetochlor (2-chloro-N-(2-ethoxymethyl)-N-(2-ethyl-6-methylphenyl)ace...Read More
We assessed the potential eco-toxicological risks of the herbicide acetochlor on fungal communities in the microcosm of black soil using 28S rRNA gene-PCR-DGGE and clone library analysis. The acetochl...Read More
Wastewater treatment plant modeling supported toxicity identification and evaluation of a tank truck cleaning effluent.
The aim of this work is the Toxicity Identification Evaluation (TIE) of highly toxic tank truck cleaning wastewater effluent. Conventional TIE, using EDTA and activated carbon addition, revealed organ...Read More
Effect of the herbicide glyphosate on glyphosate-tolerant maize rhizobacterial communities: a comparison with pre-emergency applied herbicide consisting of a combination of acetochlor and terbuthylazine.
A comparison was made of the effect of glyphosate (RoundupPlus), a post-emergency applied herbicide, and of HarnessGTZ, a pre-emergency applied herbicide, on the rhizobacterial communities of genetica...Read More
Alterations of microbial populations and composition in the rhizosphere and bulk soil as affected by residual acetochlor.
Acetochlor is a widely used herbicide in maize fields; however, the ecological risk of its residue in the soil-plant system remains unknown. We investigated the dissipation dynamics of field dose acet...Read More
Pesticides have been extensively used in modern agriculture. Due to the prevalent use, there have been serious problems generated by pesticides wastes which could eventually endanger water resources a...Read More
Use of rice straw biochar simultaneously as the sustained release carrier of herbicides and soil amendment for their reduced leaching.
The sustained release and reduced leaching of herbicides is expected for enhancing their efficacy and minimizing their pollution. For this purpose, the rice straw biochar made at a relatively low temp...Read More
Spatial and temporal distribution of acetochlor in sediments and riparian soils of the Songhua River Basin in northeastern China.
The Songhua River Basin is a burgeoning agricultural area in the modern times in China. Particularly in recent years, increasing chemical fertilizers and pesticides have been applied with the developm...Read More
Sorption of acetochlor, S-metolachlor, and atrazine in surface and subsurface soil horizons of Argentina.
Understanding herbicide sorption within soil profiles is the first step to predicting their behavior and leaching potential. Laboratory studies were conducted to determine the influence of surface and...Read More
The purpose of this study was to evaluate the effects of neonatal exposure to the herbicide acetochlor (ACT) on pubertal development and reproductive functions in female Wistar rats and to investigate...Read More
Simultaneous determination of acetochlor and propisochlor residues in corn and soil by solid phase extraction and gas chromatography with electron capture detection.
A sensitive and simple method for simultaneous analysis of acetochlor and propisochlor in corn and soil has been developed. Two herbicides were extracted from soil and corn matrices with methanol/wate...Read More
Acetochlor, introduced on the market in 1994, is used extensively worldwide, but sorption and degradation studies, including subsurface, are scarce, and there appear to be no such studies with aquifer...Read More
Impacts of mixtures of herbicides on molecular and physiological responses of the European flounder Platichthys flesus
The widespread use of pesticides results in a growing contamination of the aquatic environment. The effects of (1) a simple mixture of a glyphosate-based formulation and AMPA (Aminomethylphosphonic ac...Read More
Derived Reference Doses (RfDs) for the environmental degradates of the herbicides alachlor and acetochlor: Results of an independent expert panel deliberation
An independent peer expert panel was convened under the auspices of the Alliance for Risk Assessment (ARA) to review toxicology data and derive oral Reference Doses (RfDs) for four environmental degra...Read More