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.
1 Solution dyeing is also being used for environmental reasons, as dyeing at this stage eliminates the need for water, energy and disposal of waste water due to wet process dyeing. 2  Dyeing at the solution stage is often more expensive due to the initial set-up cost.olution Dyeing. Solution dyeing, also known as dope or spun dyeing, is the process of adding pigments or insoluble dyes to a solution before it is extruded through the spinneret.