title: paH gradients in isoelectric focusing experiments at subzero temperatures.
mesh_terms: D004121:Dimethyl Sulfoxide; D005615:Freezing; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D011522:Protons
chemical_list: D006454:Hemoglobins; D011522:Protons; D004121:Dimethyl Sulfoxide