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Malachite green: applications in electron microscopy

R G Pourcho, M H Bernstein, S F Gould

    Stain Technology
    |January 1, 1978
    PubMed
    Summary
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    Malachite green enhances cellular structure staining in electron microscopy. This dye improves contrast for ribosomes, myofilaments, and specific lipid droplets, aiding fine structure studies.

    Area of Science:

    • Electron Microscopy
    • Cell Biology
    • Histology

    Background:

    • Glutaraldehyde fixative is a standard in electron microscopy.
    • Malachite green is a dye with potential applications in biological staining.

    Purpose of the Study:

    • To investigate the effect of incorporating malachite green into glutaraldehyde fixative.
    • To assess the impact on the electron density and staining of cellular components.

    Main Methods:

    • Preparation of cellular samples using a glutaraldehyde fixative containing malachite green.
    • Electron microscopy to examine the ultrastructure and staining characteristics of various cellular elements.

    Main Results:

    • Enhanced electron density observed in ribosomes and myofilaments.

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  • Differential staining of lipid inclusions, allowing for subclass identification.
  • Stabilization of lipid elements in the uterine endometrium stroma.

    • Conclusions:

    • Malachite green incorporation improves contrast for specific cellular structures.
    • The technique offers potential for enhanced visualization in fine structure studies.
    • Differential lipid staining aids in lipid droplet classification.