Periodic Acid Schiff (PAS) Stain

Description: This method is used for detection of glycogen in tissues such as liver, cardiac and skeletal muscle on formalin-fixed, paraffin-embedded tissue sections, and may be used for frozen sections as well. The glycogen, mucin, and fungi will be stained purple and the nuclei will be stained blue. 

 Fixation: 10% formalin.
 
Section: paraffin sections at 5 um.

Result:
​Glycogen, mucin and some basement membranes: red/purple
Fungi: red/purple
Background: blue



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