Ion Chromatography Based Urine Amino Acid Profiling Applied for Diagnosis of Gastric Cancer

Figure 1

IC chromatogram of 22 amino acids standard solution: (1) arginine; (2) omithine; (3) Lysine; (4) glutamine; (5) asparagine; (6) alanine; (7) threonine; (8) glycine; (9) valine; (10) serine; (11) proline; (12) isoleucine; (13) leucine; (14) methionine; (15) histidine; (16) phenylalanine; (17) glutamic acid; (18) aspartic aid; (19) cysteine; (20) cystine; (21) tyrosine; (22) tryptophan.