Organochlorine Pesticides
Analysis of organochlorine pesticides in water using headspace solid phase microextraction with gas chromatography and mass spectrometry.
... OF ORGANOCHLORINE PESTICIDES IN WATER USING HEADSPACE SOLID PHASE MICROEXTRACTION WITH GAS CHROMATOGRAPHY AND MASS ...18 organochlorine pesticides in ...
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Contamination of Organochlorine Pesticides and PCBs in Sediments Collected from the East Coast of Thailand
... in organochlorine residue levels in sediments collected from the east coastal waters of Thailand suggested that these compounds were widely used in ...organochloride pesticides, such as DDT and HCH, was ...
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Evaluation of ricinus communis L. for the phytoremediation of polluted soil with organochlorine pesticides
... Organochlorine pesticides such as dichlorodipheno- xytrichloroethane (DDT) and its metabolite p,p � -dichloro- diphenoxydichloroethylene (p,p � -DDE) and hexachlorocy- clohexane (HCH) are more successful in ...
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Changing sources and environmental factors reduce the rates of decline of organochlorine pesticides in the Arctic atmosphere
... tions (Bailey, 2001; Barber et al., 2005). However, it is possi- ble that the trend observed here simply reflects a ‘bottoming- out’ of the year-on-year decrease observed throughout the 1990s and early 2000s, although a ...
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Organochlorine Pesticides and Polychlorinated Biphenyls in Atmospheric Particles Collected in Zagreb, Croatia
... Organochlorine compounds extracted from atmospheric particles were quantified using the multipoint calibra- tion curves obtained by analysis of standard solutions prepared in n-hexane. Reagent blanks and blank ...
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Changing sources and environmental factors reduce the rates of decline of organochlorine pesticides in the Arctic Atmosphere
... observed for chlordane isomers imply that sources affecting the Arctic are now sec- ondary in nature. On the other hand, the initial decline in HCB concentrations over the 1990s and early 2000s is off-set by an ...
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Status of organochlorine pesticides in Ganga river basin: anthropogenic or glacial?
... for pesticides in drinking water in India are described in BIS:10500 (Bureau of Indian Standards, Drinking Water Standard, ...for pesticides in potable water is described as to- tal pesticides ...
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Cad. Saúde Pública vol.18 número2
... persistent organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) were determined in the blood serum of people living and working in the urban area of greater Rio de Janeiro ...
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Mitochondrial Dysfunction and Insulin Resistance: The Contribution of Dioxin-Like Substances
... Among organochlorine pesticides, the presence of p,p ′ -DDE predicted higher body mass index (BMI), triglycerides, and homeostasis model assessment of insulin resistance (HOMA- IR) and[r] ...
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RESIDUE ANALYSIS OF ORGANOCHLORINE AND ORGANOPHOSPHORUS PESTICIDES IN URBAN LAKE SEDIMENTS
... by organochlorine and organophosphorus ...by organochlorine pesticides is related to agricultural activities in the past, with a low ecological risk to benthic ...organophosphorus pesticides ...
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Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticides
... Abstract. This study presents a comparison of seasonal vari- ation, gas-particle partitioning, and particle-phase size distri- bution of organochlorine pesticides (OCPs) and current-use pesticides ...
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Alexandra Fátima Saraiva Soares
... Other organochlorine insecticides (heptachlor, methoxychlor and mirex) were also detected by GC/MS-MS during this ...these pesticides remain in the environment (mainly in soil and sediment, due to their ...
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Key words: Quality of application and spraying, pesticides,
... influence of spray volume on the leaf deposition of pesticides. The authors found that the application of large volumes resulted in better coverage and lower variations of deposition on the canopy. They discussed ...
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Analysis of organophosphorous pesticides in postmortem biological fluids
... Although pesticides have always been the preferred method for suicidal purposes in agricultural areas, they do not represent a high social impact group which requires immediate by any laboratory of toxicological ...
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EffEct of PEsticidEs on nitrificAtion in AquAtic sEdimEnt
... Nitrification is a chemoautotrophic process carried out by two bacterial groups that oxidize ammonium to nitrite and nitrite to nitrate (Fenchel et al., 1998). This process is important to the nitrate content in soil, ...
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Biannual cycles of organochlorine pesticide enantiomers in arctic air suggest changing sources and pathways
... It is likely that the EF profiles of these and other chiral com- pounds will continue to change with rising contribution of secondary emission sources, weathering of residues in the envi[r] ...
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Electroanalytical techniques for the determination of pesticides in foods.
... O aumento da poluição ambiental por metais tóxicos e princi- palmente por resíduos de pesticidas, das mais variadas classes quí- micas, tem estimulado o desenvolvimento de técnicas aprop[r] ...
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Valorisation of Vegetable Oil Deodorizer Distillate by Enzymatic Reaction and Membrane Processing
... The production of natural bioactive extracts from agro-industrial by-products for pharmaceuti- cal, food and cosmetic industries has grown significantly in the last years due to the increasing consumer interest for ...
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Exageneous intoxications in Alagoas, Brazil: pesticides emphasis
... regions. Pesticides with high toxicities, responsible for exogenous intoxications in Alagoas, are widely used in sugarcane plantations, corn, beans, tobacco (Table 7) and several other crops not mentioned in this ...
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Annual cycles of organochlorine pesticide enantiomers in Arctic air suggest changing sources and pathways
... T.: Statisti- cal analysis of long-term monitoring data for persistent organic pollutants in the atmosphere at 20 monitoring stations broadly indicates declining concentrations, Environ.[r] ...
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