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. Author manuscript; available in PMC: 2013 Oct 31.
Published in final edited form as: Anal Chim Acta. 2012 Apr 27;750:207–211. doi: 10.1016/j.aca.2012.04.026

Table 1.

Information for the six amino acids used as ampholytes in cIEF

Amino Acid Lysine(Lys) Histidine(His) Proline(Pro) Glycine(Gly) Asparagine(Asn) Glutamate(Glu)
Mw. 146.11 155.08 115.07 75.04 132.06 147.06
pI 9.74 7.59 6.30 5.97 5.07 3.22
Concentration (mg/mL) 2 0.5 2 0.5 2 0.5