methyl

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methyl

(mĕth`əl), CH3, organic free radicalfree radical,
in chemistry, a molecule or atom that contains an unpaired electron but is neither positively nor negatively charged. Free radicals are usually highly reactive and unstable. They are produced by homolytic cleavage of a covalent bond (see chemical bond); i.e.
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 or alkyl groupalkyl group
, in chemistry, group of carbon and hydrogen atoms derived from an alkane molecule by removing one hydrogen atom (see radical). The name of the alkyl group is derived from the name of its alkane by replacing the -ane suffix with -yl, e.g.
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 derived from methanemethane
, CH4, colorless, odorless, gaseous saturated hydrocarbon; the simplest alkane. It is less dense than air, melts at −184°C;, and boils at −161.4°C;. It is combustible and can form explosive mixtures with air.
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 by the removal of one hydrogen atom.

methyl

[′meth·əl]
(organic chemistry)
The alkyl group derived from methane and usually written CH3‒. Also known as carbinyl.

methyl

1. of, consisting of, or containing the monovalent group of atoms CH3
2. an organometallic compound in which methyl groups are bound directly to a metal atom
References in periodicals archive ?
Methyl mercury poisoning typically causes ataxia (inability to walk) and dysarthria (difficulty with speech), along with tremors, muscle spasms and pain, and weakness.
In short, it was our evaluation of the scientific information on mercury toxicity that made us decide that a comparison of ingested methyl mercury and inhaled mercury vapor was valid and useful.
Sources of methyl mercury to freshwater ecosystems: a review.
Unfortunately, fish absorb contaminants--specifically, methyl mercury and polychlorinated biphenyls (PCBs)--found in the waters where they swim.
While eating fish can be good for maternal cardiovascular health and fetal growth and development, fish accumulate methyl mercury in their muscles from industrial pollution, which may cause neurotoxic symptoms in neonates that resemble cerebral palsy.
The most dangerous type of organic mercury, methyl mercury, accumulates in all cells, but it is particularly absorbed into the brain, liver, kidneys, blood, skin, hair, and breast milk.
It can be transformed into methyl mercury in sediments at the bottom of water bodies.
Metabolism of methyl mercury (203HG) compounds in man.
Fish is a source of many nutrients that can be beneficial during pregnancy, as well as a source of contaminants such as methyl mercury.
The FDA has done a service to consumers by highlighting the health and nutritional benefits of fish and seafood while alerting certain groups about the potential risks associated with over-consumption of products containing high levels of methyl mercury.
Phtoremediation of mercury and methyl mercury polluted soils using genetically engineerd plants.
EGG-CELLENT SOURCE: If you don't like the taste of fish or are concerned about methyl mercury content, it can be hard to get enough of the highly touted DHA omega-3 fatty acids in your diet.