Description
PAS staining kit, for microscopy, Density (D) ~1 g/cm³, Storage temp. +15 to +25 °C, UN-Nr. 1789
Periodic Acid Schiff staining is generally used for detecting carbohydrates in tissue.
Staining is carried out in 3 steps: Periodic acid transforms 1.2 glycol groups to aldehyde groups, which are stained with Schiff’s reagent. Hemalum solution performs counter staining of nuclei.Result: Carbohydrates red, nuclei blue-violet.
Periodic acid solution 1 % (Art. No. HP00), Schiff’s reagent (Art. No. X900), Hemalum solution acid acc. to Mayer (Art. No. T865)Contents of this kit may be bought separately.
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Questions about PAS staining kit, for microscopy, 1 kit, glass
What is this article?
PAS staining kit, for microscopy, 1 kit, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Microscopy stains & staining solutions, inside Dyes, stains & indicators, in Lab chemicals.
A microscopy stain binds a structure so it can be seen: haematoxylin on nuclei, eosin on cytoplasm, Gram reagents on a bacterial wall. A ready solution and a dry dye to be dissolved are different articles. The method names the stain. A substitute dye is a different method.
A dye or a stain binds, or changes colour, so that something invisible becomes visible. An indicator changes at a pH or a redox point. A fluorescent dye absorbs one wavelength and emits another, which is how a microscope or a plate reader picks it out. The excitation and emission, or the transition interval, are the specification. The colour name on the label is not. Structures are on PubChem under IUPAC names. Methods are in the PubMed literature.
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Shelves beside this one are Fluorescent dyes & labels and Dyes & pigments.
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