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The Meridian Bioscience range of Colored Crystal DNA Loading Buffers are ready-to-use solutions premixed with bromophenol blue (Blue), cresol red (Red), orange G and xylene cyanol FF (TriColor). The dyes in the Colored Crystal DNA Loading Buffers migrate at different rates depending on the dye and the concentration of the agarose gel. This allow users to monitor DNA migration, and therefore increase the versatility of their DNA analysis, by choosing the buffer most suited to their application.