The use of osmicated tissues for Lowicryl K4M embedding.
Author(s) -
Antonio Nanci,
M.R. Mazariegos,
Micheline Fortin
Publication year - 1992
Publication title -
journal of histochemistry and cytochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.971
H-Index - 124
eISSN - 1551-5044
pISSN - 0022-1554
DOI - 10.1177/40.6.1588031
Subject(s) - glutaraldehyde , cytochemistry , fixative , osmium tetroxide , chemistry , ultrastructure , anatomy , biology , biochemistry , electron microscope , chromatography , cytoplasm , physics , optics
Tissue chopper slices of rat incisor, rat parotid gland, and chicken tibiae, fixed with 1% glutaraldehyde, were post-fixed with potassium ferrocyanide-reduced osmium tetroxide, dehydrated with methanol, and conventionally embedded in Lowicryl K4M at -20 degrees C. The tissues showed an ultrastructural appearance comparable with that of their Epon-embedded counterparts and, in particular, the Golgi apparatus was well defined. Furthermore, Lowicryl K4M-embedded osmicated tissues permitted both post-embedding lectin-gold cytochemistry and immunogold labeling.
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