Results 111 to 120 of about 3,472 (173)

Hydrophobic Deep Eutectic Solvent in Vortex-Assisted Liquid-Liquid Microextraction for Pesticide Analysis by Gas Chromatography. [PDF]

ACS Omega
Taweetanawikai N, Boonchiangma S.
europepmc   +1 more source

Novel Electrochemical Sensing Strategy for Organophosphorus Pesticide Residues. [PDF]

Biosensors (Basel)
Xu M, He C, Zhang J, Yang H, Wang X.
europepmc   +1 more source

Two-Dimensional Carbon-Based Electrochemical Sensors for Pesticide Detection: Recent Advances and Environmental Monitoring Applications. [PDF]

Biosensors (Basel)
Imran K, Amin A, Venkata Prasad G, Veera Manohara Reddy Y, Gita LI, Wilson J, Kim TH.   +6 more
europepmc   +1 more source

A Review of Voltammetric Techniques for Sensitive Detection of Organophosphate Pesticides in Environmental Samples. [PDF]

ACS Omega
Ejigu A, Tefera M, Guadie A, Abate SG, Kassa A.   +4 more
europepmc   +1 more source

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Methyl parathion hydrolase based nanocomposite biosensors for highly sensitive and selective determination of methyl parathion

Biosensors and Bioelectronics, 2011
This article reports the fabrication of a nanocomposite biosensor for the sensitive and specific detection of methyl parathion. The nanocomposite sensing film was prepared via the formation of gold nanoparticles on silica particles, mixing with multiwall carbon nanotubes and subsequent covalent immobilization of methyl parathion hydrolase.
Jinlin Li, Aidong Zhang, Dan Du
exaly   +3 more sources

Human methyl parathion poisoning

Clinical Toxicology, 2007
Methyl parathion is classed as an extremely hazardous pesticide with a rodent LD50 of 6 to 24 mg/kg. It has been banned in numerous countries, but there are few reports of acute methyl parathion poisoning.Plasma cholinesterase and acetylcholinesterase were measured in blood.
Isbister, Geoffrey K., Mills, Katie, Friberg, Lena E., Hodge, Mary, O'Connor, Enda, Patel, Renu, Abeyewardene, Manel, Eddleston, Michael   +7 more
openaire   +5 more sources

A colorimetric assay for determination of methyl parathion using recombinant methyl parathion hydrolase

Biotechnology Journal, 2011
AbstractA simple, rapid and sensitive colorimetric dipstick assay for the detection of the organophosphorous insecticide methyl parathion (MPT) residue in vegetables was developed. The assay was based on the hydrolysis of MPT by a recombinant methyl parathion hydrolase (recMPH), the encoding gene of which was isolated from Burkholderia cepacia, a soil ...
Dau Hung, Anh, Kritsananporn, Cheunrungsikul, Jesdawan, Wichitwechkarn, Werasak, Surareungchai   +3 more
openaire   +2 more sources

Toxicity of parathion, systox, octamethyl pyrophosphoramide, and methyl parathion in man

Toxicology and Applied Pharmacology, 1969
Abstract Experiments in human beings were undertaken to determine the levels of minimal toxicity of parathion, systox, OMPA, and methyl parathion. The study of parathion demonstrated that the level of minimal toxicity is 7.5 mg per day. Between 6.75 and 7.125 mg per day of systox produced minimal toxicity.
J A, Rider, H C, Moeller, E J, Puletti, J I, Swader   +3 more
openaire   +2 more sources