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Showing 1-30 of 31 results for "45316" within Papers
Petra Hnatukova et al.
Water research, 45(11), 3359-3368 (2011-04-26)
In this research, the adsorption of two herbicides, alachlor (ALA) and terbuthylazine (TBA), on granular activated carbon (GAC) in the presence of well-characterized peptide fraction of cellular organic matter (COM) produced by cyanobacterium Microcystis aeruginosa was studied. Two commercially available
D M Stamper et al.
Critical reviews in microbiology, 24(1), 1-22 (1998-04-30)
Alachlor, metolachlor, and propachlor are detoxified in biological systems by the formation of glutathione-acetanilide conjugates. This conjugation is mediated by glutathione-S-transferase, which is present in microorganisms, plants, and mammals. Other organic sulfides and inorganic sulfide also react through a nucleophilic
G Chesters et al.
Reviews of environmental contamination and toxicology, 110, 1-74 (1989-01-01)
Decision-makers, scientists, and the interested public should be informed what future research and education is needed if a strong pesticide regulatory program is imposed. Recommendations are intended to highlight research gaps. Some may be of general concern and apply to
Kimiyo N Yamamoto et al.
Environmental and molecular mutagenesis, 52(7), 547-561 (2011-05-04)
Included among the quantitative high throughput screens (qHTS) conducted in support of the US Tox21 program are those being evaluated for the detection of genotoxic compounds. One such screen is based on the induction of increased cytotoxicity in seven isogenic
Hiromichi Naito et al.
Chudoku kenkyu : Chudoku Kenkyukai jun kikanshi = The Japanese journal of toxicology, 24(1), 35-38 (2011-04-13)
We experienced a case of alachlor herbicide (Lasso) intoxication. A 57-year-old man was transported to our hospital by ambulance after ingesting 450 mL of Lasso. He was unconscious and had difficulty in breathing. Gastric lavage was performed after tracheal intubation
Zisis Vryzas et al.
Water research, 46(6), 1979-1989 (2012-02-14)
An extensive four-year research program has been carried out to explore and acquire knowledge about the fundamental agricultural practices and processes affecting the mobility and bioavailability of pesticides in soils under semi-arid Mediterranean conditions. Pesticide leaching was studied under field
Yanjun Xin et al.
Journal of hazardous materials, 192(3), 1812-1818 (2011-08-02)
Wormhole-shaped TiO(2)/Ti (WT) and nanotube-shaped TiO(2)/Ti (TNT) photoelectrodes were prepared by anodic oxidation method. The morphology and structure were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). It was found that both crystal types
Qing Chen et al.
Applied and environmental microbiology, 80(16), 5078-5085 (2014-06-15)
Sphingomonads DC-6 and DC-2 degrade the chloroacetanilide herbicides alachlor, acetochlor, and butachlor via N-dealkylation. In this study, we report a three-component Rieske non-heme iron oxygenase (RHO) system catalyzing the N-dealkylation of these herbicides. The oxygenase component gene cndA is located
Tatiane C Dal Bosco et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 47(6), 485-494 (2012-04-13)
The application of swine wastewater to the soil for agricultural purposes results in the addition of total and dissolved organic matter to the soil, which may interfere with the dynamics of pesticides in the soil. The objective of this study
Hoon Kim et al.
Emergency medicine Australasia : EMA, 23(1), 103-105 (2011-02-03)
Alachlor and butachlor are commonly used chloroacetanilide herbicides. They are cytotoxic, but there have been rare reported cases of alachlor or butachlor induced erythema multiforme major. We report the case of a 38-year-old farmer with erythema multiforme major due to
M Sonia Rodríguez-Cruz et al.
Journal of environmental management, 95 Suppl, S228-S232 (2010-11-16)
The objective of this work was to study the influence pine or oak wood added to soil as an amendment (5% w/w) had on the degradation rate of two pesticides, alachlor and metalaxyl, with different hydrophobic character. The formation of
Mojtaba Shamsipur et al.
Journal of separation science, 35(20), 2718-2724 (2012-09-22)
Dispersive liquid-liquid microextraction coupled with high-performance liquid chromatography-ultraviolet detection as a fast and inexpensive technique was applied to the simultaneous extraction and determination of traces of three common herbicides, 2,4-D, alachlor and atrazine, in aqueous samples. The critical experimental parameters
Sazada Siddiqui et al.
Bulletin of environmental contamination and toxicology, 88(5), 659-665 (2012-03-07)
In the present study effects of herbicides glyphosate (GP), alachlor (AL) and maleic hydrazide (MH) is studied on mitotic cells of Trigonella foenum-graecum L. Seeds of T. foenum-graecum L. treated with a series of concentrations ranging from 0.1%, 0.2%, 0.3%
G Ahmad et al.
Toxicology in vitro : an international journal published in association with BIBRA, 25(2), 485-491 (2010-12-07)
This study was designed to investigate the in vitro effects of didanosine, zidovudine, saquinavir and indinavir, commonly used in highly active antiretroviral therapy, on human sperm fertility parameters. Thirty semen samples from healthy men were collected and prepared by gradient
Blain Paul et al.
Journal of colloid and interface science, 360(1), 132-138 (2011-05-17)
The effective removal of pollutants using a thermally and chemically stable substrate that has controllable absorption properties is a goal of water treatment. In this study, the surfaces of thin alumina (γ-Al(2)O(3)) nanofibres were modified by the grafting either of
Hongzhi He et al.
Bulletin of environmental contamination and toxicology, 90(3), 344-350 (2012-12-06)
Individual and joint toxicity of three chloroacetanilide herbicides to a freshwater cladoceran were studied. The 48 h-LC50 values of alachlor, acetochlor and butachlor to Daphnia carinata Dc42 were 11.1, 11.8 and 3.45 mg L(-1), respectively. The toxicity was significantly (p < 0.05) related to hydrophobicity.
Béatrice Lauga et al.
Environmental science and pollution research international, 20(2), 1089-1105 (2012-06-23)
Despite the implication of anaerobic soil communities in important functions related to C and N biogeochemical cycles, their responses to pesticides are rarely assessed. This study focused on the impact of alachlor, a chloroacetanilide herbicide, on two agricultural soils differing
Stéphane Bouchonnet et al.
Rapid communications in mass spectrometry : RCM, 25(1), 93-103 (2010-12-15)
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 interpretation of their electron ionization mass spectra is presented. Fragmentation mechanisms are proposed on the
Claire Coutris et al.
Aquatic toxicology (Amsterdam, Netherlands), 101(1), 49-56 (2010-10-12)
Macrophyte communities play an essential role in the way freshwater ecosystems function. It is thus of great concern to understand how environmental factors, especially anthropogenic ones, influence their composition and diversity. The aim of this study was to examine whether
Chi-Zen Chen et al.
Journal of agricultural and food chemistry, 59(15), 8078-8085 (2011-06-29)
In this study, a simple and novel microdialysis sampling technique incorporating hollow fiber liquid phase microextraction (HF-LPME) coupled online to high-performance liquid chromatography (HPLC) for the one-step sample pretreatment and direct determination of alachlor (2-chloro-2',6'-diethyl-N -(methoxymethyl)acetanilide) and its metabolite 2,6-diethylaniline
Joanna Bernasinska et al.
Environmental toxicology and pharmacology, 36(2), 368-377 (2013-06-05)
Chloroacetamides are used as pre-emergent substances for growth control of annual grasses and weeds. Since they can be harmful for crop plants, protective compounds (safeners) are used along with herbicides. So far, their effects on human blood cells have not
M S Rodríguez-Cruz et al.
Chemosphere, 82(10), 1415-1421 (2010-12-25)
A study has been made of the effect a reactive barrier made of pine (softwood) or oak (hardwood) wood intercalated in a sandy soil column has on the retention of linuron, alachlor and metalaxyl (pesticides with contrasting physicochemical characteristics). The
Su-Jin Seok et al.
Journal of Korean medical science, 27(2), 111-114 (2012-02-11)
Chloracetanilide herbicides (alachlor, butachlor, metachlor) are used widely. Although there are much data about chronic low dose exposure to chloracetanilide in humans and animals, there are few data about acute chloracetanilide poisoning in humans. This study investigated the clinical feature
Jonathan D Byer et al.
Chemosphere, 82(8), 1155-1160 (2011-01-11)
Concerns regarding the impacts of pesticides on aquatic species and drinking water sources have increased demands on water quality monitoring programs; however the costs of sample analysis can be prohibitive. In this study we investigated enzyme-linked immunosorbent assay (ELISA) as
Guangyao Gao et al.
Water research, 47(7), 2507-2522 (2013-03-16)
Predicting the fate and movement of contaminant in soils and groundwater is essential to assess and reduce the risk of soil contamination and groundwater pollution. Reaction processes of contaminant often decreased monotonously with depth. Time-dependent input sources usually occurred at
Thyroid disruption in the lizard Podarcis bocagei exposed to a mixture of herbicides: a field study.
Rita C Bicho et al.
Ecotoxicology (London, England), 22(1), 156-165 (2012-11-13)
Pesticide exposure has been related with thyroid disrupting effects in different vertebrate species. However, very little is known about the effects of these compounds in reptiles. In the Mediterranean area, lacertid lizards are the most abundant vertebrate group in agroecosystems
W F Heydens et al.
Human & experimental toxicology, 18(6), 363-391 (1999-07-21)
Chronic bioassays have revealed that alachlor caused nasal, thyroid, and stomach tumours in rats but was not carcinogenic in mice. Significant increases in thyroid and stomach tumours were observed only at doses that exceeded the maximum tolerated dose (MTD). While
Ana Munoz et al.
Journal of agricultural and food chemistry, 59(2), 619-627 (2010-12-31)
Metolachlor (2-chloro-6'-ethyl-N-(2-methoxy-1-methylethyl)aceto-o-toluidide) is a pre-emergent chloroacetanilide herbicide used to control broadleaf and annual grassy weeds in a variety of crops. The S enantiomer, S-metolachlor, is the most effective form for weed control. Although the degradation of metolachlor in soils is
Supradip Saha et al.
Environmental toxicology and pharmacology, 34(2), 307-314 (2012-06-05)
The research was carried out to ascertain the effect of three chloroacetanilide herbicides, alachlor, butachlor and pretilachlor on soil microbial biomass growth and activity. Laboratory experiments were performed in a silty clay loam soil to relate changes of soil enzymatic
Meghdad Pirsaheb et al.
Journal of separation science, 36(4), 684-689 (2013-01-24)
Dispersive liquid-liquid microextraction based on solidification of floating organic drop coupled with HPLC-UV detection as a fast and inexpensive technique was applied to the simultaneous extraction and determination of traces of two common herbicides, alachlor and atrazine, in aqueous samples.
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