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Pas stain

PAS stain --> periodic acid Schiff stain

(Science: technique) A histochemical technique based on periodic acid oxidation of a substance containing the 1,2-glycol grouping.

It is used for staining carbohydrates as the resulting dialdehyde reacts with Schiff reagent to form a coloured product.

Substances that can be demonstrated include carbohydrates, mucins, cartilage matrix, collagen, reticulum, basement membranes, fibrin, thyroid colloid, amyloid, glomerular hyaline deposits, and a number of other secretions or tissue constituents.

Also used in for staining gels on which glycoproteins have been run.

See: periodic acid Schiff reaction

Synonym: pAS stain.


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by josem
Tue Oct 07, 2014 7:58 pm
 
Forum: Microbiology
Topic: Recommendations for Bacteria Detection?
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by snowathlete
Thu Dec 12, 2013 1:14 pm
 
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Topic: What do you think these are, in my blood?
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by daniel.kurz
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by biohazard
Mon Dec 09, 2013 11:34 am
 
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