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  • PAP Pen for Immunostaining

    Sigma-Aldrich

    Application Use pen to draw a hydrophobic circle around slide-mounted tissue. Prevents the waste of valuable reagents by keeping liquid pooled in a small droplet. Insoluble in ethanol, acetone and water, but will wash off with xylene. For use with paraffin-mounted sections or slides treated…

  • PAP Pen for Immunostaining

    Sigma-Aldrich

    Application Use pen to draw a hydrophobic circle around slide-mounted tissue. Prevents the waste of valuable reagents by keeping liquid pooled in a small droplet. Insoluble in ethanol, acetone and water, but will wash off with xylene. For use with paraffin-mounted sections or slides treated…

  • Sigma lab markers Extra-Fine tip, black

    Sigma-Aldrich

    Writes on cold, wet surfaces. Quick-drying. Alcohol based permanent marker removed by alcohol.

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