The Detection and Quantitation of Free Desmosine and Isodesmosine in Human Urine and Their Peptide-Bound Forms in Sputum - Ma, Shuren; Lieberman, Seymour; Turino, Gerard M.; Lin, Yong Y. (Proceedings of the National Academy of Sciences - PNAS, 2003)
Keywords: Acid hydrolysis; Adult; Aged; Amino acids; Analytical methods; Biological Sciences; Biomarkers - analysis; Biomarkers - urine; Chronic obstructive pulmonary disease; Creatinine - analysis; Creatinine - urine; Desmosine - analogs & derivatives; Desmosine - analysis; Desmosine - urine; Electric potential; Female; High temperature; Humans; Hydrolysis; Ionization; Ions; Isodesmosine - analogs & derivatives; Isodesmosine - analysis; Isodesmosine - urine; Isomers; Liquid chromatography; Lung diseases; Male; Mass Spectrometry; Medical research; Middle Aged; Peptides; Pulmonary Disease, Chronic Obstructive - metabolism; Pulmonary Disease, Chronic Obstructive - urine; Sputum; Sputum - chemistry; Urine