Ampholine, n. Biochem.
(ˈæmfəliːn)
Also ampholine.
[a. Sw. ampholine, f. *ampholyte n. + -ine5.]
A proprietary name for ampholytes used to establish stable pH gradients in isoelectric focusing.
| 1968 Trade Marks Jrnl. 3 July 1077/1 Ampholine... Chemical products for industrial and scientific use in the separation, purification and characterization of proteins and like substances. 1968 Lancet 20 Apr. 847/2 Mixtures covering the whole pH range of 3–10 or narrower ranges within these limits are commercially available as ‘Ampholine’ carrier electrolytes. 1976 Physics Bull. Aug. 359/3 The separation takes place in a pH gradient of ampholine in a direction parallel with the long edge of the tray. 1989 BioFactors II. 107/2 Precast Ampholine PAG Plates,..pH 3.5–9.5, were used for determination of isoelectric points. |