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  • Title: The possibilities and limitations of membrane methods for the histochemical demonstration of cholinesterases.
    Author: Lukás Z, Fialová Z.
    Journal: Histochemistry; 1976 Feb 26; 46(3):245-8. PubMed ID: 2569.
    Abstract:
    The thiocholine method for the histochemical detection of cholinesterases according to Karnovsky-Roots was adapted for unfixed cryostat sections by addition of the agar solution to the incubation mixture and by using the semipermeable membrane interposed between the section and the incubation medium. The procedure prevents the leakage of the enzyme activity of the section and is suitable for tissues where the cholinesterase activity is low.
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