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  1. No Access

    Article

    An investigation of new commercial samples of Methyl Green and Pyronin Y

    New commercial samples of Methyl Green (Gurr Certistain), Pyronine G (Gurr Certistain) and Pyronin Y (Polysciences) have been investigated using spectrophotometry, thin layer chromatography and nuclear magneti...

    H. Lyon, P. Jakobsen, P. Høyer, A. P. Andersen in The Histochemical Journal (1987)

  2. No Access

    Article

    Nucleic acid staining with the methyl green-pyronin method

    We compared the staining obtained using commercially available pyronin Y samples with that obtained using pure pyronin Y in a standardized methyl green-pyronin procedure. In addition, the importance of the dye...

    A. P. Andersen, H. Lyon, P. Jakobsen, P. E. Høyer in Histochemistry (1986)

  3. No Access

    Article

    Standardized Methyl Green—Pyronin Y procedures using pure dyes

    Fully standardized Methyl Green—Pyronin methods are presented. Pure Pyronin Y and purified Methyl Green or Ethyl Green are used either simultaneously in one dye bath or are used as a sequence of Pyronin Y and ...

    P. E. Høyer, H. Lyon, P. Jakobsen, A. P. Andersen in The Histochemical Journal (1986)

  4. No Access

    Article

    Preparation and characterization of methyl green tetrafluoroborate

    Commercial methyl green dyes were converted to tetrafluoroborate by means of NaBF4-solution, the compounds thus obtained were analytically pure. It was shown to be possible to distinguish between a “methyl” and a...

    P. Jakobsen, A. P. Andersen, H. Lyon in Histochemistry (1984)

  5. No Access

    Article

    Spectrophotometric characteristics and assay of pure pyronin Y

    The spectrophotometric characteristics of analytically pure pyronin Y have been investigated. Addition of metal ions (Fe3+, Zn2+, and Mg2+) and of dextrin were shown not to influence the absorption characteristic...

    P. Jakobsen, H. Lyon, S. Treppendahl in Histochemistry (1984)