Dr. Grace Dzido, MD is an internal medicine doctor who practices in Roanoke, VA. She is 54 years old and has been practicing for 19 years.
The Loading Dye * Loading dye is a colored buffer mixed with the DNA prior to loading onto the gel. The loading dye contains a relatively high concentration of either glycerol or sucrose. This makes the solution more dense than the surrounding running buffer so that when a sample is pipetted over top of a well it sinks down into the well.
11. A process according to claim 10, in which the liquor or paste applied in step (2) contains, in addition to the alkoxylated fatty amine or polyamine, an acid dye having a K-value 2 to 6 units lower than the K'-value of the anionic dye applied in step (1).12.1. A process according to claim 10, in which the liquor or paste applied in step (2) contains, in addition to the alkoxylated fatty amine or polyamine, an acid dye having a K-value 2 to 6 units lower than the K'-value of the anionic dye applied in step (1). 12.