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395B Sigma

Periodic Acid-Schiff (PAS) Kit


Related Categories Cell Biology, Hematology and Histology, Histology Special Stains More...
Quality Level   GMP-IVD
shelf life    ± Expiry date on the label.
IVD   for in vitro diagnostic use
storage temp.   2-8°C



Standard procedure and microwave procedure included in package insert.

When treated with periodic acid, glycols are oxidized to aldehydes. After reaction with Schiff′s Reagent (a mixture of pararosaniline and sodium metabisulfite), a pararosaniline adduct is released that stains the glycol-containing cellular elements pink to red. Cellular elements which may be demonstrated with the PAS procedure include glycogen, fungal walls, basement membrane, certain epithelial sulfomucins and sialomucins, neutral mucosubstances, colloid material of the thyroid and the pars intermedia of the pituitary.

Diagnostic Implications

Staining patterns of lymphocytes are helpful in making therapeutic decisions in established cases of lymphocytic leukemia.

Price and Availability

Standard component


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Hematoxylin Solution, Gill No. 3 (kit only) 100 mL MSDS    
Periodic Acid Solution (395-1) 2 x 100 mL MSDS    
Schiff's Reagent (kit only) 4 x 50 mL MSDS    

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