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Isomer Selectivity in Aquatic Toxicity and Biodegradation of Cypermethrin
Journal of Agricultural and Food Chemistry, 2004Synthetic pyrethroids (SPs) are widely used in both agricultural and urban regions for insect control. Unlike many other pesticides, SPs are chiral compounds consisting of stereoisomers. However, occurrence of isomer selectivity in environmental processes is poorly understood for SPs.
Weiping, Liu +3 more
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Stereoselective Degradation Kinetics of Theta-Cypermethrin in Rats
Environmental Science & Technology, 2006The enantioselective degradation and chiral conversion of theta-cypermethrin (TCYM) in rats have been studied via intravenous (i.v.) injection. The degradation kinetics and the enantiomer fraction (EF) were determined by means of normal-phase high-performance liquid chromatography (HPLC) with diode array detection (DAD) and a cellulosetris-(3,5 ...
Qiuxia, Wang +6 more
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Effect of Processing on Dislodging of Cypermethrin Residues on Brinjal
Bulletin of Environmental Contamination and Toxicology, 2010Brinjal fruits were sprayed with recommended dose (0.001%) of cypermethrin. Effects of processing viz. washing, cooking in water, cooking in oil, microwave cooking, and grilling was studied to dislodge cypermethrin residues on brinjal. Cypermethrin residues remaining in the control and processed samples were analyzed by gas chromatography equipped with
Shweta, Walia +2 more
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Carcinogenic and cocarcinogenic potential of cypermethrin on mouse skin
Cancer Letters, 2002Cypermethrin (CYM), a synthetic pyrethroid insecticide, is used widely because of its high bio-efficacy and low mammalian toxicity. In the present set of investigations, CYM has been evaluated for it's carcinogenic and co-carcinogenic (tumour initiating and tumour promoting) potential in mouse skin model of carcinogenesis. The results revealed that CYM
Yogeshwer, Shukla +2 more
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Microbial flora analysis for the degradation of beta-cypermethrin
Environmental Science and Pollution Research, 2017In the Xinjiang region of Eurasia, sustained long-term and continuous cropping of cotton over a wide expanse of land is practiced, which requires application of high levels of pyrethroid and other classes of pesticides-resulting in high levels of pesticide residues in the soil.
Zhang, Qi, Zhang, Wei
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Effect of copper on the degradation of pesticides cypermethrin and cyhalothrin
Journal of Environmental Sciences, 2007The influence of coexisting copper (Cu) ion on the degradation of pesticides pyrethroid cypermethrin and cyhalothrin in soil and photodegradation in water system were studied. Serial concentrations of the pesticides with the addition of copper ion were spiked in the soil and incubated for a regular period of time, the analysis of the extracts from the ...
Ting-feng, Liu +5 more
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The acute intraperitoneal toxicity of cypermethrin.
Veterinary and human toxicology, 2004This study determined the effects of acute cypermethrin toxicity in the rat and its dose-response characteristics The intraperitoneal LD50 of cypermethrin from the study was 44.0 mg/kg body weight. The symptoms of toxicity were muscular weakness, swaying gait and respiratory distress; pallor and prostration occurred at higher doses and convulsions ...
Timothy T, Iyaniwura +1 more
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Myelopathy following Cypermethrin Poisoning.
The Journal of the Association of Physicians of India, 2018Cypermethrin is a synthetic pyrethroid and pyrimethrin analogue. Cypermethrin poisoning produces neurological manifestations due to its primary target on sodium channels.1 Neuropathy following cypermethrin poisoning is common. But myelopathy is rare and not reported so far.
Krishnan, Mugundhan +1 more
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