- osmium fixative
- осмиевый фиксатор
English-russian biological dictionary. 2013.
osmium fixative
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osmium tetroxide — n a crystalline compound OsO4 that is an oxide of osmium, has a poisonous irritating vapor, and is used chiefly as a catalyst, as an oxidizing and hydroxylating agent (as in the conversion of alkenes to glycols), and as a biological fixative and… … Medical dictionary
Fixative — A medium such as a solution or spray that preserves specimens of tissues or cells. Most biopsies and specimens removed at surgery are fixed in a solution such as formalin (dilute formaldehyde) before further processing takes place. Other common… … Medical dictionary
osmium tetroxide — noun Date: 1869 a crystalline compound OsO4 that is an oxide of osmium, has a poisonous irritating vapor, and is used as a catalyst, oxidizing agent, and biological fixative and stain … New Collegiate Dictionary
osmium tetroxide — (= OsO4) Used as a post fixative/stain in electron microscopy. Membranes in particular are osmiophilic, ie. bind osmium tetroxide … Dictionary of molecular biology
osmium tetroxide — osmic acid a colourless or faintly yellowish compound used to stain fats or as a fixative in the preparation of tissues for microscopical study. Osmium tetroxide evaporates readily, the vapour having a toxic action on the eyes, skin, and… … The new mediacal dictionary
fixative — fixing agent; n. a chemical agent, e.g. alcohol or osmium tetroxide, used for the preservation and hardening of tissues for microscopical study. See: fixation … The new mediacal dictionary
Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs … Wikipedia
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
Fixation (histology) — In the fields of histology, pathology, and cell biology, fixation is a chemical process by which biological tissues are preserved from decay. Fixation terminates any ongoing biochemical reactions, and may also increase the mechanical strength or… … Wikipedia
Glutaraldehyde — Chembox new ImageFile = glutaraldehyde structure.png ImageSize = 200px IUPACName = Pentane 1,5 dial OtherNames = Pentanedial, Glutural, Glutardialdehyde, Glutaric acid dialdehyde, Glutaric aldehyde, Glutaric dialdehyde, 1,5 Pentanedial Section1 … Wikipedia
osmic acid — OsO4; a volatile caustic and strong oxidizing agent; colorless crystals, poorly soluble in water, but soluble in organic solvents; the aqueous solution is a fat and myelin stain and a general fixative … Medical dictionary
