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It is advised to check the references for photos of reaction results. [1] Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2]
Positive histologic stains that aid in the diagnosis of conditions of or affecting the human integumentary system Stain Cell, material, and/or structure(s) stained Condition(s) in which stain is positive Actin-specific enolase: Infantile digital fibromatosis: AE1/AE3: Squamous cell carcinoma: Alcian blue: Lipoid proteinosis Papular mucinosis ...
An acid dye is a dye that is typically applied to a textile at low pH. They are mainly used to dye wool, not cotton fabrics. [1] Some acid dyes are used as food colorants, [2] [3] and some can also be used to stain organelles in the medical field. Acid dyes are anionic, soluble in water and are essentially applied from acidic bath.
Acidophile (or acidophil, or, as an adjectival form, acidophilic) is a term used by histologists to describe a particular staining pattern of cells and tissues when using haematoxylin and eosin stains. Specifically, the name refers to structures which "love" acid, and take it up readily.
English: This is a diagram of the basic steps of a Ziehl-Neelsen (Acid Fast) staining procedure File:Basic steps of acid fast staining procedure.svg is a vector version of this file. It should be used in place of this PDF file when not inferior.
A second acid dye (blue or green) in dilute acetic acid is applied which, in turn, displaces the polyacid, resulting in collagen stained in a contrasting colour to the initial dye used. If erythrocytes are to be stained, a small molecular weight yellow or orange dye is applied before staining with the red dye.
(This abbreviation is sometimes mistakenly thought to be CL, due to the font used to display it.) The generic name lists first the class of dye (acid dye, disperse dye, etc.), then its hue (e.g., orange), followed by a number assigned by the Colour Index, in chronological order (e.g., Acid Orange 5, Acid Orange 6, Acid Orange 7). [3]
Bismarck brown Y stains acid mucins to yellow color. It also stains mast cell granules brown. [3] It can be used with live cells.It is also used to stain cartilage in bone specimens, as one of Kasten's Schiff-type reagents in the periodic acid-Schiff stain to stain cellulose, and in Feulgen stain to stain DNA.
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