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显示 1-28 共 28 条结果 关于 "37887" 范围 论文
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
Liping Feng et al.
Biodegradation, 24(1), 47-56 (2012-05-24)
Rhodococcus sp. BX2 degrades bensulfuron-methyl but not butachlor, and Acinetobacter sp. LYC-1 degrades butachlor but not bensulfuron-methyl. Functional strains were constructed through protoplast fusion of Rhodococcus sp. BX2 and Acinetobacter sp. LYC-1 to generate fusants with an improved ability to
Nidhi Kumari et al.
Journal of microbiology and biotechnology, 22(1), 1-12 (2012-02-03)
The present study examines the effects of 30 mg/kg butachlor on the cyanobacterial diversity of rice fields in Eastern Uttar Pradesh and Western Bihar in India. A total of 40 samples were grouped into three classes [(i) acidic, (ii) neutral
Chen Chen et al.
Chemosphere, 112, 393-401 (2014-07-23)
Pesticides in the environment do not appear singly and usually occur as complex mixtures and their combined effect may exhibit toxicity to organisms. The individual and combined toxicities of two herbicides, atrazine and butachlor and an insecticide λ-cyhalothrin have been
Shakti Rath et al.
Interdisciplinary sciences, computational life sciences, 3(2), 138-143 (2011-05-05)
Computations of lethal concentration 50 (LC(50)) of a data-set of a toxicity study on an herbicide against a cyanobacterium were performed by general linear regression, Spearman-Karber and probit transformation methods, for evaluation of the methods used. It is shown that
Junghun Ok et al.
Bulletin of environmental contamination and toxicology, 89(2), 306-311 (2012-06-15)
The behavior of butachlor and pyrazosulfuron-ethyl in paddy water was investigated using micro paddy lysimeters with prescribed hydrological conditions under ambient temperature in spring and summer for simulating two rice crop seasons. Although they were not significantly different, the dissipation
Changming Yang et al.
Journal of environmental quality, 41(3), 716-723 (2012-05-09)
Biogeochemical processes in riparian zones regulate contaminant movement to receiving waters and often mitigate the impact of upland sources of contaminants on water quality. However, little research has been reported on the microbial process and degradation potential of herbicide in
Changming Yang et al.
Journal of environmental sciences (China), 23(9), 1437-1444 (2011-01-01)
A pot experiment was conducted to investigate the biodegradation dynamics and related microbial ecophysiological responses to butachlor addition in a riparian soil planted with different plants such as Phragmites australis, Zizania aquatica, and Acorus calamus. The results showed that there
S Dwivedi et al.
Letters in applied microbiology, 51(1), 54-60 (2010-05-19)
Isolation, characterization and assessment of butachlor-degrading potential of bacterial strain JS-1 in soil. Butachlor-degrading bacteria were isolated using enrichment culture technique. The morphological, biochemical and genetic characteristics based on 16S rDNA sequence homology and phylogenetic analysis confirmed the isolate as
Huiyun Pan et al.
Journal of environmental sciences (China), 21(3), 307-312 (2009-07-29)
The physiological effects of 4 herbicides (butachlor, quinclorac, bensulfuron-methyl and atrazine) on 3 submerged macrophytes (Ceratophyllum demersum, Vallisneria natans and Elodea nuttallii) were tested in laboratory. The variables of the relative growth rate and the photosynthetic pigment content showed that
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
Wan-Yi Liu et al.
Ecotoxicology (London, England), 20(2), 377-384 (2011-01-07)
Butachlor is the most commonly used herbicide on paddy fields in Taiwan and throughout Southeast Asia. Since paddy fields provide habitat for pond breeding amphibians, we examined growth, development, time to metamorphosis, and survival of alpine cricket frog tadpoles (Fejervarya
Luciano Scarponi et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 44(8), 805-809 (2010-02-26)
The expression of glutathione S-transferase (GST) activity in Festuca arundinacea was investigated in response to the following herbicide safeners: benoxacor, cloquintocet-mexyl, fenchlorazol-ethyl, fenclorim, fluxofenim and oxabetrinil. All the above compounds enhanced the GST activity tested towards the "model" substrate 1-chloro-2,4-dinitrobenzene
Xiaogang Hu et al.
Journal of chromatography. A, 1218(25), 3935-3939 (2011-05-24)
A novel liquid-liquid-solid microextraction (LLSME) method was developed to overcome the well-known water-compatibility problem of molecularly imprinted polymers (MIPs). The enrichment factors with MIP-LLSME method were within 70-210 for trace chloroacetanilide herbicides under optimized extraction conditions. The method was characterized
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
Jui-Hung Yen et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 48(1), 49-56 (2012-10-04)
We investigated changes in population and taxonomic distribution of cultivable bacteria and diazotrophs with butachlor application in rice paddy soils. Population changes were measured by the traditional plate-count method, and taxonomic distribution was studied by 16S rDNA sequencing, then maximum
Sourabh Dwivedi et al.
Toxicology, 302(1), 77-87 (2012-08-14)
Butachlor is a systemic herbicide widely applied on rice, tea, wheat, beans and other crops; however, it concurrently exerts toxic effects on beneficial organisms like earthworms, aquatic invertebrates and other non-target animals including humans. Owing to the associated risk to
Xiaogang Hu et al.
Journal of chromatography. A, 1217(38), 5875-5882 (2010-08-17)
A molecularly imprinted polymer (MIP) with metolachlor as template was firstly coated on stainless steel fiber through chemical bonding strategy to solve the fragility problem of silica fiber substrate for solid-phase microextraction. The surface pretreatment of stainless steel fiber and
Juhua Chang et al.
Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische Pathologie, 65(1-2), 205-209 (2011-09-17)
Butachlor, a chloracetamide herbicide, is widely used in China. In the present study, paired adult male and female zebrafish (Danio rerio) were exposed to various concentrations of butachlor (0, 25, 50 and 100 μg/L) for 30 days, and the effects
Lifei Zhu et al.
Chemico-biological interactions, 221, 119-126 (2014-08-12)
Butachlor is a chloroacetamide herbicide widely used in Asia, and may enter the aquatic environment through agricultural application. In this study, plasma VTG and hormone levels (E2, 11-KT, T3 and T4) were determined after the female rare minnow (Gobiocypris rarus)
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.
Juhua Chang et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 47(11), 1672-1677 (2012-06-19)
Butachlor has adverse effects on fecundity and disrupts sex hormone homeostasis in adult zebrafish, but the underlying molecular mechanisms are still unclear. In the present study, zebrafish (Danio rerio) embryos were exposed to various concentrations of butachlor from 2 h post-fertilization
Hongzhi He et al.
Ecotoxicology and environmental safety, 80, 91-96 (2012-03-03)
Both single and joint toxicity of atrazine and butachlor to freshwater green alga Scenedesmus obliquus and cladoceran Daphnia carinata isolated from South China were investigated in the present study. The 96 h-EC(50) values of atrazine and butachlor to S. obliquus
Yan He et al.
Journal of environmental quality, 40(6), 1705-1713 (2011-10-28)
Sorption of butachlor to various types of common soil components was investigated. Six pure minerals (montmorillonite [Mont], kaolinite [Kaol], Ca homoionic montmorillonite [Ca-Mont] and kaolinite [Ca-Kaol], amorphous hydrated Al and Fe oxides [AHOs-Al, AHOs-Fe]), four soil alkali-extractable pure humic acids
Haitao Bian et al.
Journal of agricultural and food chemistry, 57(16), 7453-7458 (2009-07-25)
Due to soil adsorption, higher amounts of the herbicide butachlor are necessary to achieve its herbicidal activity, hence increasing its environmental risks. In this study, the effects of beta-cyclodextrin (beta-CD) on solubility and soil adsorption of butachlor were investigated. Formation
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
Wenqing Tu et al.
Ecotoxicology and environmental safety, 89, 189-195 (2013-01-09)
Butachlor is a chloroacetanilide herbicide widely employed in weeding important crops. Recently, the study of the possible toxic effects of butachlor in non-target organisms has increased substantially. However, the endocrine disruption, developmental toxicity and immunotoxicity effects of butachlor in fish
Nidhi Kumari et al.
Chemosphere, 77(11), 1501-1507 (2009-11-03)
The present study examines butachlor-induced inhibition of growth, photosynthetic pigments such as chlorophyll a, phycocyanin, allophycocyanin, phycoerythrin, photosystems I and II, whole chain electron transport, oxygen evolution, carbon fixation, ATP content, total thiol and glutathione contents of Aulosira fertilissima. For
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