Search results
Results from the WOW.Com Content Network
Features of poisoning differ depending on whether the agent is an organic compound (one that contains carbon), or an inorganic one. [29] Organic lead poisoning is now very rare, because countries across the world have phased out the use of organic lead compounds as gasoline additives, but such compounds are still used in industrial settings. [29]
Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.
Her 1-year-old son, Caiden, had been eating the cinnamon applesauce pouches almost every day for about a month. In March, a blood test revealed that Caiden had a blood lead level of 13 micrograms ...
Two major sources of lead poisoning are leaded gasoline and lead leached from plumbing (from Latin, plumbus for lead). Use of leaded gasoline has declined precipitously since the 1970s. [ 7 ] [ 8 ] One lead-containing pigments is lead chromate (the yellow-orange of U.S. school buses), but this material is so stable and so insoluble that little ...
Lead poisoning epidemics refer to specific instances of mass lead poisoning. These events often occur without the knowledge of the communities they affect. Common causes of lead poisoning epidemics include mining, lead recycling, and food/water contamination. [1] These events also cause disproportionate childhood fatalities as children are more ...
Herbert Leroy Needleman (December 13, 1927 – July 18, 2017) researched the neurodevelopmental damage caused by lead poisoning.He was a pediatrician, child psychiatrist, researcher and professor at the University of Pittsburgh, [1] an elected member of the Institute of Medicine, and the founder of the Alliance to End Childhood Lead Poisoning (later known as the Alliance for Healthy Homes, it ...
The ruling was one in a series of developments addressing issues related to the American creationist movement and the separation of church and state. The scope of the ruling affected state schools and did not include independent schools, home schools, Sunday schools and Christian schools, all of whom remained free to teach creationism.
Succimer is an isomer of 2,3-dimercaptosuccinic acid. 2,3-dimercaptosuccinic acid is the organosulfur compound with the formula HO 2 CCH(SH)CH(SH)CO 2 H. This colorless solid contains two carboxylic acid and two thiol groups, the latter being responsible for its mildly unpleasant odour.