electrophoresis
(ɪˌlɛktrəʊfəˈriːsɪs)
[f. electro- + Gr. ϕόρησις being carried.]
The migration of colloidal particles suspended in a liquid under the influence of an electric field (cf. cataphoresis). Hence eˌlectrophoˈretic a., eˌlectrophoˈretically adv.
| 1911 Chem. Abstr. 641 Electrophoresis of Lampblack. 1925 Ibid. 1376 An examn. of the electrophoretic migration velocities. 1938 Nature 4 June 1000/2 The study of molecular migrations in the electric field has been facilitated by the development of an improved electrophoresis apparatus by Tiselius in Svedberg's laboratory. 1942 Jrnl. Gen. Physiol. XXV. 507 This material was electrophoretically homogeneous, i.e. gave a single sharp peak..in the electrophoretic pattern. 1944 [see cataphoresis]. 1946 Nature 28 Sept. 447/1 The clinical properties of the electrophoretically homogeneous fibrinogen obtained by these authors have not yet been examined. 1957 Sci. News XLVI. 21 When a charged particle of colloidal dimensions is suspended in a liquid between two charged electrodes, it moves towards the electrode with a charge opposite to its own... This is known as electrophoresis. 1960 Times 8 Apr. 2/3 The successful applicant..should have experience in chemical chromatographic and electrophoretic methods of analysis. 1962 Lancet 8 Dec. 1185/1 The abnormal haemoglobin was identified by paper electrophoresis. 1962 M. Rabaey in A. Pirie Lens Metabolism Rel. Cataract 312 It was not possible to demonstrate α-crystallin electrophoretically in embryos of less than 10 days incubation. |