Stabilzation of pH gradients formed by ampholine.
D002021:Buffers; D004355:Drug Stability; D005998:Glycine; D006454:Hemoglobins / Q000032:analysis*; D006639:Histidine; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing / Q000379:methods*; D008239:Lysine; D013912:Threonine
D002021:Buffers; D006454:Hemoglobins; D013912:Threonine; D006639:Histidine; D008239:Lysine; D005998:Glycine