title: Effect of urea on pI's of ampholytes and casein in isoelectric focusing.
mesh_terms: D002021:Buffers; D002364:Caseins / Q000032:analysis*; D004573:Electrolytes; D004586:Electrophoresis; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D008722:Methods; D014508:Urea
chemical_list: D002021:Buffers; D002364:Caseins; D004573:Electrolytes; D014508:Urea