Malathion is a organophosphate parasympathomimetic which binds irreversibly to cholinesterase. Image File history File links This image was created with JChemPaint by User:MattKingston and refined with GIMP. Image is to be considered public domain. ... An organophosphate (sometimes abbreviated OP) is the general name for any organic compound containing phosphorus. ... A parasympathomimetic is a drug or poison that acts by stimulating or mimicking the parasympathetic nervous system (PNS). ... Acetylcholinesterase In biochemistry, cholinesterase is a term which refers to one of the two enzymes: Acetylcholinesterase (EC 3. ...

Malathion is an insecticide of relatively low human toxicity. An insecticide is a pesticide whose purpose is to kill or to prevent the multiplication of insects. ... Look up toxic and toxicity in Wiktionary, the free dictionary. ...

In the former USSR it was known as Carbophos, in New Zealand and Australia as Maldison and in South Africa as Mercaptothion. [1]

However, Malathion breaks down into Malaoxon, which is 60 times more toxic than Malathion. For this reason, if Malathion is used or somehow enters an indoor environment, as it breaks down into Malaoxon, it can seriously and chronically poison the occupants living or working in this environmnent.

In 1976, numerous malaria workers in Pakistan were poisoned by isomalathion, a common impurity in malathion, which is capable of inhibiting carboxyesterase enzymes in those exposed to it; the original toxicity evaluation for malathion had not anticipated isomalathion coexposure. 1976 (MCMLXXVI) is a leap year starting on Thursday (link will take you to calendar). ... Red blood cell infected with Malaria ,derived from mala aria (Italian: bad air) and formerly called ague or marsh fever in English) is an infectious disease which causes about 350-500 million infections with humans and approximately 1. ...

Clinical uses

Malathion is used as a treatment for head lice, body lice and Scabies. It effectively kills both the eggs and the adult lice. The head louse Head lice (Pediculus humanus capitis) are one of the many varieties of sucking lice (singular louse) specialized to live on different areas of various animals. ... ...

Instances of use

Malathion was used in the 1980s in California to combat the Mediterranean Fruit Fly. This was accomplished on a wide scale by the near weekly aerial spraying of suburban communities for a period of several months. Formations of three or four agricultural helicopters would overfly suburban portions of San Bernardino county releasing a mixture of malathion and corn syrup, the corn syrup being a bait for the fruit flys. Official language(s) English Capital Sacramento Largest city Los Angeles Area  - Total  - Width  - Length  - % water  - Latitude  - Longitude Ranked 3rd 410,000 km² 402. ... Aerial application, referred to by many as crop dusting, involves spraying crops with fertilizers, pesticides, and fungicides from an agricultural aircraft. ... An agricultural aircraft is an aircraft that has been built or converted for agricultural use -- usually aerial application of pesticides or fertiliser, such as superphosphate. ... Official website: http://www. ... Corn syrup, known as glucose syrup outside Canada and the United States, is a syrup made from corn starch and composed mainly of glucose. ...

Malathion was sprayed in many cities to combat West Nile virus. In the Fall of 1999 and the Spring of 2000, Long Island and the five boroughs of New York City were sprayed with Malathion. Use of the insecticide has been blamed for large lobster die-off in Long Island Sound. [2] Manitoba ordered the city of Winnipeg, Manitoba be sprayed in July 2005. West Nile virus is a virus of the family Flaviviridae, found in both tropical and temperate regions. ... The four counties of Long Island. ... The Empire State Building (right) and the Chrysler Building (left) are easily recognized symbols of New York City to the world. ... Subfamilies and Genera Neophoberinae Acanthacaris Thymopinae Nephropsis Nephropides Thymops Thymopsis Nephropinae Homarus Nephrops Homarinus Metanephrops Eunephrops Thymopides Clawed lobsters comprise a family (Nephropidae, sometimes also Homaridae) of large marine crustaceans. ... New York City waterways: 1. ... Motto: Gloriosus et Liber (Latin: Glorious and free) Official languages English Capital Winnipeg Largest city Winnipeg Lieutenant-Governor John Harvard Premier Gary Doer (NDP) Parliamentary representation  - House seat  - Senate seats 14 6 Area  - Total  - % water Ranked 8th 647,797 km² 14. ... Template:Hide = Motto: Template:Unhide = Unum Cum Virtute Multorum (One With the Strength of Many) City of Winnipeg, Manitoba, Canadas Location. ... Ongoing events • 2005 Atlantic and Pacific hurricanes • 2005 Maharashtra floods • 2005 Gujarat Flood • Expo 2005 in Aichi, Japan • Fuel prices • Gomery Comm. ...

Malathion is also used in conjuction with diesel to fog an area where there are plenty of mosquitoes. By diluting the mixture, it becomes much weaker. It's possible to dilute the mixture up to the point where the mosquitoes were not killed, but became more resistant to the mixture, making it less effective in subsequent foggings. Diesel or Diesel fuel is a specific fractional distillate of fuel oil (mostly petroleum) that is used as fuel in a diesel engine invented by German engineer Rudolf Diesel. ... This article is about the insect; for the WWII aircraft see De Havilland Mosquito. ...

Sources

• Brenner, G. M. (2000). Pharmacology. Philadelphia, PA: W.B. Saunders Company. ISBN 0-7216-7757-6
• Klaassen, C. D. (2001). Casarett & Doull's Toxicology McGraw-Hill Medical. ISBN 0-0713-4721-6