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Related Experiment Videos

Staining with chromoxane cyanine R

G Clark

    Stain Technology
    |November 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    A new, defendable staining procedure using chromoxane cyanine R has been developed for both nuclear and myelin sheath staining in histology. This method offers a reliable alternative to existing techniques for detailed tissue visualization.

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    Area of Science:

    • Histology
    • Biochemistry

    Background:

    • Chromoxane cyanine R, introduced in 1957, is a versatile stain for both nuclear and cytoplasmic components.
    • Numerous staining procedures exist, but a standardized, defendable method has been lacking.

    Purpose of the Study:

    • To develop and report a defendable, experimental staining procedure using chromoxane cyanine R.
    • To provide a reliable method for dual nuclear and myelin sheath staining.

    Main Methods:

    • Preparation of four stock solutions: chromoxane cyanine R in sulfuric acid, ferric chloride in hydrochloric acid, ammonium hydroxide, and hydrochloric acid in ethanol.
    • A specific staining solution was formulated and applied to dewaxed and hydrated tissue sections.
    • Differentiating solutions were used to achieve either myelin sheath or nuclear staining.

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    Main Results:

    • The developed procedure effectively stains both myelin sheaths and nuclei.
    • Nuclear staining, when counterstained with eosin, mimics hematoxylin and eosin staining.
    • Histochemical analysis suggests nitrogen and hydrogen bonding are involved in myelin staining, while nuclear staining involves different functional groups.

    Conclusions:

    • A defendable and effective staining protocol using chromoxane cyanine R has been established.
    • The method provides a reliable alternative for histological staining, yielding results comparable to established techniques.
    • Understanding the histochemical basis of staining aids in optimizing and interpreting results.