| 释义 |
ionophoresis Biochem.|aɪˌɒnəʊfəˈriːsɪs|
[f. iono- + -phoresis.]
The migration of ions in solution under the influence of an electric field, esp. as used to separate the components of a mixture. Hence iˌonophoˈretic a.
1945Adv. Protein Chem. II. 31 We propose to use ionophoresis to describe processes concerned with the movement in an electric field of relatively small ions, electrophoresis for movement of large molecules and particles. Ibid. (heading), Ionophoretic methods. 1949Abraham & Heatley in H. W. Florey et al. Antibiotics I. ii. 106 An apparatus in which ionophoretic separation takes place in a slab of silica jelly, the substances under investigation being inlaid in a gutter at right angles to the length of the slab. 1956Nature 25 Feb. 393/2 A number of primary aliphatic amines can readily be separated..by ionophoresis on paper at pH 7 using collidine acetate buffer, and the spots revealed with ninhydrin. 1967Biol. Abstr. XLVIII. 895/2 (heading) Detection of metal cations in soil by chromatographic and ionophoretic techniques. 1971European Jrnl. Biochem. XIX. 125/1 Ionophoresis in the second dimension was carried out on an 85 × 45 cm sheet of DEAE-cellulose paper..in 7% formic acid. |