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Description
Description: Trypsin is used for proteolytic digestion of formalin-fixed paraffin-embedded (FFPE) tissue sections prior to application of antibodies. In IHC most commonly used fixative like formalin; mask tissue antigens (cellular, membrane and nuclear) by cross-linking process, this results in poor or no staining in IHC. Trypsin digestion improves immunoreactivity of some antigens in FFPE tissue sections. For cytokeratin clone AE3 and AE1/AE3, this enzyme works much better than boiling the tissue with citrate buffer. Storage: 2-8°C. DO NOT FREEZE Intended Use: Use as antigen retriever for some antibodies in IHC. Please refer to primary antibody protocol for IHC. Reagent: This enzyme is supplied as concentrated form along with buffer. The kit comes in 2 sizes: Small: Reagent B (Buffer) is 15 ml and the Reagent E (Enzyme) is 2 ml Large: Reagent B (Buffer) is 100 ml and the Reagent E (Enzyme) is 10 ml
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