Lucifer yellow

Happy Halloween!
October 29, 2012
Image of Lucifer yellow 3D Image of Lucifer yellow

Our Halloween 2012 series continues with the highly fluorescent dye Lucifer yellow. The dye’s fluorescence under UV light makes it ideal for visualizing living and fixed cells. The lithium salt is the most water-soluble, but ammonium and potassium salts are also used. In 1978, W. W. Stewart reported that staining with Lucifer yellow reveals functional connections between cells, a process he called “dye coupling”.

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