WebRivastigmine. Rivastigmine (sold under the trade name Exelon among others) is a cholinesterase inhibitor used for the treatment of mild to moderate Alzheimer's disease. [1] The drug can be administered orally or via a transdermal patch; the latter form reduces the prevalence of side effects, [2] which typically include nausea and vomiting.
农药名大全 - 百度文库
WebEthyl parathion is a restricted use organophosphate insecticide/miticide used to control a broad spectrum of pests on alfalfa, barley, canola, corn, cotton, sorghum, soybeans, … Parathion, also called parathion-ethyl or diethyl parathion and locally known as "Folidol", is an organophosphate insecticide and acaricide. It was originally developed by IG Farben in the 1940s. It is highly toxic to non-target organisms, including humans, so its use has been banned or restricted in … See more Parathion was developed by Gerhard Schrader for the German trust IG Farben in the 1940s. After World War II and the collapse of IG Farben due to the war crime trials, the Western allies seized the patent, and parathion was … See more Pure parathion is a white crystalline solid. It is commonly distributed as a brown liquid that smells of rotting eggs or garlic. The insecticide is somewhat stable, although it darkens when … See more As a pesticide, parathion is generally applied by spraying. It is often applied to cotton, rice and fruit trees. The usual concentrations of ready-to-use solutions are 0.05 to 0.1%. The chemical is banned for use on many food crops. See more Degradation of parathion leads to more water-soluble products. Hydrolysis, which deactivates the molecule, occurs at the aryl ester bond … See more Parathion is synthesized from diethyl dithiophosphoric acid (C2H5O)2PS2H by chlorination to generate diethylthiophosphoryl chloride ((C2H5O)2P(S)Cl), … See more Parathion acts on the enzyme acetylcholinesterase indirectly. After an insect (or a human) ingests parathion, an oxidase replaces the double bonded sulfur with oxygen to give paraoxon. (C2H5O)2P(S)OC6H4NO2 + 1/2 O2 → (C2H5O)2P(O)OC6H4NO2 … See more Parathion is a cholinesterase inhibitor. It generally disrupts the nervous system by inhibiting acetylcholinesterase. It is absorbed via skin, … See more del shannon handy man youtube
C hemicalWatch Factsheet - Beyond Pesticides
WebDec 16, 2024 · Toxicological Profile for Cobalt. Subject of planned Report: The ATSDR toxicological profile succinctly characterizes the toxicologic and adverse health effects for the substance being described. Purpose of Planned Report: The purpose of the toxicological profile is to provide a source of toxicological and epidemiological data on hazardous ... WebSep 1, 2024 · Ethyl parathion is a typical insecticide belonging to the organophosphate chemical class. This class of pesticide acts by inhibiting acetylcholinesterase (AChE), a cholinergic enzyme that is essential for the nervous system of humans and insects [8], [9]. http://cdn.chemservice.com/product/msdsnew/External/English/N-12819%20English%20SDS%20US.pdf del shannon greatest hits album