acid radical


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ac·id rad·i·cal

a radical formed from an acid by loss of one or more hydrogen ions; for example, SO4-, NO3-.

acid radical

The electronegative portion of a molecule when the acid hydrogen is removed.
See also: radical
References in periodicals archive ?
In this method, 2.2'--azinobis--3--ethylbenzothiazoline --6--sulfonic acid radical (ABTS radical) is used.
Any amino acid radical formed within a peptide chain could crosslink with an amino acid radical in another protein.
It was caused by the introduction of nonionic comonomer (HPA), a weaker chelate reagent, which resulted in the dilution effect of acid radical (RCO[O.sup.-]) in the polymer chain, and decreased the electrostatic action of acid radical and the chelation among [Na.sup.+] and RCO[O.sup.-].