postosmicatev.
/ˌpəʊstˈɒzmᵻkeɪt/, U.S. /ˌpoʊstˈɑzməˌkeɪt/ Biology.
transitive. To postfix with a solution of osmium tetroxide.
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the world > life > biology > laboratory analysis > processes > [verb (transitive)] > fixation
fix1878
postosmicate1933
postfix1955
prefix1961
1933 Proc. Royal Soc. B. 114 24 Fig. 2 is a drawing of a similar cell fixed in Regaud's fluid post-osmicated and stained with acid fuschsin methyl green.
1965 Jrnl. Royal Microsc. Soc. 84 129 Sucrose was first used with formaldehyde in fixation for electron microscopy by Holt and Hicks.., who postosmicated the tissues that had been treated this way.
1971 Nature 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’.
1989 Proc. National Acad. Sci. U.S.A. 86 9015/2 After immunostaining, the sections for EM were postosmicated (30min in 1% OsO4), dehydrated in graded ethanols, and then flat embedded between aluminum foil and a coverslip.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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