| EHDP | Ethane-1-Hydroxyl-1,1-Di-Phosphonate |
|---|---|
| HIPDM | N-trimethyl-n-(2-hydroxyl-3-methyl-5-iodobenzyl)-1,3-propendiamine |
| *OH | of hydroxyl free radical |
|---|---|
| *OH | of hydroxyl |
| (*)OH | of the hydroxyl radical |
| FOR | Free Oxygen Radicals |
| ODFR | Oxygen derived free radicals |
| oxygen derived free radicals | An atom or atom group having an unpaired electron on an oxygen atom, typically derived from molecular oxygen. For example, one-electron reduction of O2 produces the superoxide radical, O2-; other examples include the hydroperoxyl radical (HOO-), the hydroxyl radical (HO-), and nitric oxide (NO-). (05 Mar 2000) |
|---|---|
| free radicals | Highly reactive molecules with an unsatisfied electron valence pair. Free radicals are produced in both normal and pathological processes. They are proven or suspected agents of tissue damage in a wide variety of circumstances including radiation, damage from environment chemicals, and aging. Natural and pharmacological prevention of free radical damage is being actively investigated. (12 Dec 1998) |
| polynucleotide 5'-hydroxyl-kinase | <enzyme> An enzyme that catalyses the transfer of a phosphate group to the 5'-terminal hydroxyl groups of DNA and RNA. Chemical name: ATP:5'-dephosphopolynucleotide 5'-phosphotransferase Registry number: EC 2.7.1.78 (12 Dec 1998) |
| hydroxyl | <chemistry> A compound radical, or unsaturated group, HO, consisting of one atom of hydrogen and one of oxygen. It is a characteristic part of the hydrates, the alcohols, the oxygen acids, etc. Origin: Hydro-, 2 + oxygen + -yl. Source: Websters Dictionary (01 Mar 1998) |
| hydroxyl group | An -OH or alcohol group on a larger molecule. The oxygen is single-bonded to the hydrogen and has one free bond to the rest of the molecule. Molecules with one or more hydroxyl groups are called alcohols. (09 Oct 1997) |
| hydroxyl radical | <chemical> Hydroxyl. The univalent radical oh. This radical is characteristic of hydroxides, oxygen acids, alcohols, glycols, phenols, and hemiacetals. Chemical name: Hydroxyl (12 Dec 1998) |
| spiramycin I 3-hydroxyl acylase | <enzyme> Streptomyces ambofaciens enzyme prep able to acylate hydroxyl group at c-3 of lactone; no preference between acetyl-CoA and propionyl-CoA Registry number: EC 2.3.1.- Synonym: propionyl acylase (26 Jun 1999) |
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