نتایج جستجو برای: organophosphorus compound

تعداد نتایج: 130444  

2011
Indira A Hundekari A N Suryakar

This study was conducted to assess oxidative stress and antioxidant status of organophosphorus (OP) poisoning cases before and after therapy with atropine and pralidoxime of north Karnataka (India). For this study 30 male OP poisoning cases (study group) and 30 male normal healthy subjects (control group) having age range 17-40 years were taken. All organophosphorus poisoning cases were diagnos...

Journal: :Toxicological sciences : an official journal of the Society of Toxicology 2012
Jose M Pizarro Wenling E Chang Mariama J Bah Linnzi K M Wright George A Saviolakis Arun Alagappan Christopher L Robison Jinesh D Shah James L Meyerhoff Douglas M Cerasoli Eric G Midboe Lucille A Lumley

The highly toxic organophosphorus compound VX [O-ethyl S-[2-(diisopropylamino)ethyl]methylphosphonate] is an irreversible inhibitor of the enzyme acetylcholinesterase (AChE). Prolonged inhibition of AChE increases endogenous levels of acetylcholine and is toxic at nerve synapses and neuromuscular junctions. We hypothesized that repeated exposure to sublethal doses of VX would affect genes assoc...

Journal: :Journal of Chemical Education 1951

Journal: :Beilstein Journal of Organic Chemistry 2014

Journal: :Environmental Health Perspectives 1990
T R Fukuto

Organophosphorus and carbamate insecticides are toxic to insects and mammals by virtue of their ability to inactivate the enzyme acetylcholinesterase. This review addresses the mechanism of inhibition of acetylcholinesterase by organophosphorus and carbamate esters, focusing on structural requirements necessary for anticholinesterase activity. The inhibition of acetylcholinesterase by these com...

Journal: :Journal of Synthetic Organic Chemistry, Japan 1960

Journal: :Journal of Nepal Medical Association 2008

Journal: :The Analyst 2007
M Zourob A Simonian J Wild S Mohr Xudong Fan I Abdulhalim N J Goddard

Organophosphorus (OP) pesticides can be rapidly detected by integrating organophosphorus hydrolase with an optical leaky waveguide biosensor. This enzyme catalyses the hydrolysis of a wide range of organophosphorus compounds causing an increase in the pH. Thus, the direct detection of OP is possible by monitoring of the pH changes associated with the enzyme's activity. This article describes th...

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