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36758
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Showing 1-30 of 38 results for "36758" within Papers
Analysis of the herbicides dicamba, clopyralid and bromacil in asparagus by high-performance liquid chromatography.
Journal of chromatography, 439(2), 470-475 (1988-05-20)
Biulleten' eksperimental'noi biologii i meditsiny, 107(6), 758-761 (1989-06-01)
Silver-impregnated argentaffin cells both Ec, D1, G, P, S and K enteroendocrine cell types of rat gastrointestinal mucosa were investigated under light and electron microscopy after single oral administration of 3,6-dichloropicolinic acid. As a result, in pyloric-duodenal region Ec cells
Environmental toxicology and chemistry, 27(3), 623-630 (2007-11-03)
We conducted 96-h static acute toxicity studies to evaluate the relative sensitivity of juveniles of the threatened bull trout (Salvelinus confluentus) and the standard cold-water surrogate rainbow trout (Onchorhyncus mykiss) to three rangeland herbicides commonly used for controlling invasive weeds
Analytical and bioanalytical chemistry, 406(30), 7785-7797 (2014-11-10)
Meconium is the earliest stool of newborns. It is a complex matrix that reflects the degree of fetal exposure to environmental pollutants. To investigate exposure to xenobiotics, an analytical method was developed to identify and quantify some pesticides and their
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 53(7), 464-468 (2018-04-07)
The effect of various pesticides on the biofilm formation by the phytopathogenic bacterium Clavibacter michiganensis ssp. sepedonicus (Cms), the potato ring rot causative agent, was explored for the first time. Systemic herbicides: 2,4-D, diuron, glyphosate, clopyralid, fluorodifen, as well as
Molecules (Basel, Switzerland), 15(5), 2994-3009 (2010-07-27)
The work describes a study of the oxidation power of N-doped and undoped anatase TiO(2), as well as TiO(2) Degussa P25 suspensions for photocatalytic degradation of the herbicides RS-2-(4-chloro-o-tolyloxy)propionic acid (mecoprop) and 3,6-dichloro-pyridine-2-carboxylic acid (clopyralid) using visible and UV light.
Persistence studies with the herbicide clopyralid in prairie soils at different temperatures.
Bulletin of environmental contamination and toxicology, 42(5), 670-675 (1989-05-01)
Journal of hazardous materials, 168(1), 94-101 (2009-03-07)
The work is concerned with the kinetics, identification of intermediates and reaction pathways of the photocatalytic degradation of the herbicide clopyralid (3,6-dichloropyridine-2-carboxylic acid) in UV illuminated aqueous suspensions of TiO(2) (Degussa P25). In the investigated concentration range (0.5-3.0 mM) the
Chemosphere, 246, 125781-125781 (2020-01-10)
This work presents the development of the electrodialysis/electro-oxidation (EDEO) technology, assessing the role of the pollutant and the modelling of the system in order to look for the key aspects for the development of the technology. According to the results
Environmental research, 188, 109747-109747 (2020-06-10)
The use of boron-doped (BDDs) anodes for efficient removal of complex organic molecules, such as organochlorine compounds, is well stated in the literature. However, the role of the different characteristics of this anode on the transformation of these type of
Archives of environmental contamination and toxicology, 57(4), 725-731 (2009-09-25)
Clopyralid (3,6-dichloro-2-pyridinecarboxylic acid) is a pyridine herbicide frequently used to control invasive, noxious weeds in the northwestern United States. Clopyralid exhibits low acute toxicity to fish, including the rainbow trout (Oncorhynchus mykiss) and the threatened bull trout (Salvelinus confluentus). However
Gigiena i sanitariia, (4)(4), 19-21 (2001-09-04)
Lontrele and cowboy were tested for effects on the photosynthetic activity of amaranthus and the microbiological activity of leached chernozem. The tested herbicides were shown to be beneficial for different changes occurring in the levels of total chlorophyll in the
Environmental toxicology and chemistry, 35(2), 485-493 (2015-08-28)
High-latitude regions experience unique conditions that affect the degradation rate of agrochemicals in the environment. In the present study, data collected from 2 field sites in Alaska, USA (Palmer and Delta) were used to generate a kinetic model for aminopyralid
Die Nahrung, 32(9), 861-865 (1988-01-01)
Residues of clopyralide in strawberries treated with herbicide preparation Lontrel 300 were determined using gas chromatographic method. The decrease of clopyralide content during the processing of contaminated fruits was observed. The rate of decomposition of this compound in model solutions
Fundamental and applied toxicology : official journal of the Society of Toxicology, 4(1), 91-97 (1984-02-01)
3,6-Dichloropicolinic acid (clopyralid), a new herbicide, was evaluated for teratogenic potential in Fischer 344 rats and New Zealand White rabbits. Rats were given 0, 15, 75, or 250 mg clopyralid/kg/day by gavage on Days 6-15 of gestation while rabbits were
Journal of agricultural and food chemistry, 65(34), 7294-7304 (2017-04-08)
An extraction method using acidified methanol based on the quick polar pesticide (QuPPe) method using suppressed ion chromatography coupled to mass spectrometry was developed and validated for the direct analysis of polar pesticides, without the need for derivatization or ion
Journal of hazardous materials, 209-210, 67-76 (2012-01-31)
Montmorillonite (SWy-2)-chitosan bionanocomposites (SW-CH) were prepared following different methodologies, characterized, and assayed as adsorbents of the herbicide clopyralid (3,6-dichloropyridine-2-carboxylic acid) in aqueous solution and soil/water suspensions, to assess the potential of the materials to prevent and remediate soil and water
The Journal of heredity, 94(6), 523-527 (2003-12-24)
The noxious weed yellow starthistle (Centaurea solstitialis L.) can be controlled effectively at the seedling stage with foliar application of the auxinic herbicides picloram or clopyralid. Although resistance to these herbicides is rare, a yellow starthistle biotype resistant to picloram
Journal of AOAC International, 95(2), 554-559 (2012-06-02)
A sensitive and effective method for the simultaneous quantitative determination of aminopyralid, clopyralid, and picloram in vegetables (eggplant, cucumber, and tomato) and fruits (apple and grape) was developed and validated using ultra-performance LC coupled with MS/MS. The three herbicides were
Water research, 91, 285-294 (2016-01-25)
The degradation kinetics of three pesticides - metaldehyde, clopyralid and mecoprop - by ultraviolet photolysis and hydroxyl radical oxidation by low pressure ultraviolet hydrogen peroxide (LP-UV/H2O2) advanced oxidation was determined. Mecoprop was susceptible to both LP-UV photolysis and hydroxyl radical
Environmental toxicology and chemistry, 24(9), 2336-2340 (2005-10-01)
Previous field monitoring at two highway sites found highway-applied herbicides in storm water runoff at maximum concentrations ranging from 10 microg/L for glyphosate and diuron to as high as 200 microg/L for oryzalin. To determine whether these herbicides at these
Prikladnaia biokhimiia i mikrobiologiia, 43(2), 252-256 (2007-05-05)
We studied the composition of products of the photochemical degradation of 3,6-dichloropicolinic acid (DCPA), the active principle of Lontrel, a herbicide broadly used in agriculture. Ultraviolet irradiation (mimicking the natural sunlight action) did not degrade DCPA completely to environmentally safe
Prikladnaia biokhimiia i mikrobiologiia, 42(1), 44-51 (2006-03-09)
Degradation of Lontrel by activated sludge (AS) of purification works and UV irradiation was studied. 3,6-Dichloropicolinic acid (3,6-DCPA, the main active principle of Lontrel) was not degraded by the microbial association of the AS. AS treated with nitrosourea under various
Chemosphere, 225, 19-26 (2019-03-12)
A comparison between the performance of electrolysis of three different soil-washing wastes with platinum and boron doped diamond (BDD) anodes is carried out in this work. Results demonstrate that the treatment is more efficient with BDD for perchloroethylene and clopyralid
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 38(6), 683-695 (2003-12-03)
Soil dissipation of the herbicide clopyralid (3,6-dichloropicolinic acid) was measured in laboratory incubations and in field plots under different management regimes. In laboratory studies, soil was spiked with commercial grade liquid formulation of clopyralid (Versatill, 300 g a.i. L(-1) soluble
Water research, 171, 115378-115378 (2019-12-18)
Contamination by herbicides such as clopyralid (CLP) poses a significant threat to human health and ecological systems. In the present study, efficient removal of CLP was achieved by thermo activated persulfate, among which sulfate radical was identified as the predominant
Journal of agricultural and food chemistry, 67(20), 5711-5719 (2019-05-02)
Although dicamba has long been one of the most widely used selective herbicides, some U.S. states have banned the sale and use of dicamba because of farmers complaints of drift and damage to nonresistant crops. To prevent illegal use of
Journal of AOAC International, 90(5), 1402-1410 (2007-10-25)
The method presented uses reversed-phase liquid chromatography with negative electrospray ionization and tandem mass spectrometry to analyze 9 chlorinated acid herbicides in soil and vegetation matrixes: clopyralid, dicamba, MCPP, MCPA, 2,4-DP, 2,4-D, triclopyr, 2,4-DB, and picloram. A 20 g portion
Improved analytical procedure for determination of clopyralid in soil using gas chromatography.
Bulletin of environmental contamination and toxicology, 71(2), 414-421 (2003-10-16)
Journal of agricultural and food chemistry, 59(14), 7891-7895 (2011-06-23)
At present there are no herbicide uses registered for broadleaf weed control in buckwheat. Clopyralid, mixed with desmedipham, was anticipated to provide early-season broadleaf weed suppression with minimal crop injury. However, field trials resulted in limited success, which brought into
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