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The Schaeffer–Fulton stain is a technique designed to isolate endospores by staining any present endospores green, and any other bacterial bodies red. [1] The primary stain is malachite green , and the counterstain is safranin , which dyes any other bacterial bodies red.
In the Schaeffer-Fulton staining method, a primary stain containing malachite green is forced into the spore by steaming the bacteria. Malachite green can be left on the slide for 15 minutes or more to stain the spores. It takes a long time for the spores to stain due to their density, so heat acts as the mordant when performing this ...
The Forme of Cury (The Method of Cooking, cury from Old French queuerie, 'cookery') [2] is an extensive 14th-century collection of medieval English recipes.Although the original manuscript is lost, the text appears in nine manuscripts, the most famous in the form of a scroll with a headnote citing it as the work of "the chief Master Cooks of King Richard II".
The post Red Wine Stain Removal: Everything You Need to Know appeared first on Reader's Digest. These expert strategies for red wine stain removal will help you get the reddish-purple stuff out of ...
The recipe of lobster Thermidor was possibly created at Café de Paris by Leopold Mourier, a former assistant to Auguste Escoffier, or possibly it was created in 1894 at Chez Marie. [ 3 ] [ 4 ] Another source says it was created at Maison Maire, whose owner Mlle. Paillard sold the restaurant to Mourier. [ 5 ]
[2] [3] Carbol fuchsin is used as the primary stain dye to detect acid-fast bacteria because it is more soluble in the cells' wall lipids than in the acid alcohol. If the bacteria is acid-fast the bacteria will retain the initial red color of the dye because they are able to resist the destaining by acid alcohol (0.4–1% HCl in 70% EtOH). [ 4 ]
Auramine O is a diarylmethane dye used as a fluorescent stain. In its pure form, Auramine O appears as yellow needle crystals. It is insoluble in water and soluble in ethanol and DMSO. Auramine O can be used to stain acid-fast bacteria (e.g. Mycobacterium, where it binds to the mycolic acid in its cell wall) in a way similar to Ziehl–Neelsen ...
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