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.
You cannot eat Silica Gel because it is not food. Silica Gel is a non-toxic substance that is used to absorb moisture. The reason packets of Silica Gel are labeled Do Not Eat â¦  is because they pose a choking hazard.4 people found this useful.ILICA GEL is a form of silicic acid, which is similar to sand. Silica gel is nontoxic, meaning that it is not poisonous if eaten. The package says DO NOT EAT because (1) it â¦ is not food, and (2) it could be a choking hazard.