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PAS staining is mainly used for staining structures containing a high proportion of carbohydrate macromolecules (glycogen, glycoprotein, proteoglycans), typically found in e.g. connective tissues, mucus, the glycocalyx, and basal laminae.hese aldehydes then react with the Schiff reagent to give a purple-magenta color. A suitable basic stain is often used as a counterstain. PAS diastase stain (PAS-D) is PAS stain used in combination with diastase, an enzyme that breaks down glycogen.
Cabot Semi-Transparent Stains are deep penetrating, linseed oil-based stains that beautify and protect exterior wood. These lightly pigmented stains enhance the natural beauty of the wood by allowing the grain, texture, and color variations within the wood to show through.Acrylic 1300 series combines penetrating properties of oil-based with easy soap-and-water clean-up of water-based finishes.hese lightly pigmented stains enhance the natural beauty of the wood by allowing the grain, texture, and color variations within the wood to show through. Acrylic 1300 series combines penetrating properties of oil-based with easy soap-and-water clean-up of water-based finishes.