| 释义 |
osmicate, v. Biol.|ˈɒzmɪkeɪt|
[f. osmic a.1 + -ate3.]
trans. To stain or treat with osmic acid (osmium tetroxide). So ˈosmicated ppl. a.
1914Stedman Med. Dict. (ed. 3) 658/1 Osmicate, to stain with osmic acid. 1943Proc. Nat. Acad. Sci. XXIX. 228 The classical Golgi apparatus of the fixed and osmicated cell. 1971Nature 2 Apr. 334/2 Random pieces of grossly normal thyroid tissue..were diced.., fixed in 1·5% glutaraldehyde..post-osmicated, dehydrated and embedded in ‘Araldite 502’. Ibid. 17 Sept. 199/1 Teased preparations of osmicated nerves from paralysed rabbits revealed focal, segmental myelin loss characteristic of EAN.
Also osmiˈcation, treatment with osmic acid.
1899Jrnl. Morphol. XV. Suppl. 73 A curious effect of osmication was noted in some peripherally lying cells..in a preparation of Spelerpes ruber, which had been fixed in Flemming's chromo-aceto-osmic mixture. 1928Biol. Rev. III. 337 Nassonow..has made a..study of Paramecium and some other protozoa by methods of fixation (osmication) and by study in vivo. 1934L. W. Sharp Introd. Cytol. (ed. 3) iv. 69 After osmication or silver impregnation they may appear like hollow structures with a blackened periphery. 1972B. M. Wagner in I. Mandl Collagenase ii. 68 Fixation in glutaraldehyde in the presence of 3% basic fuchsin, followed by osmication, resulted in increased stainability of collagen with phospho⁓tungstic acid (PTA). |