Amino acid profiling in urine by capillary zone electrophoresis - mass spectrometry.
Mayboroda OA, Neusüss C, Pelzing M, Zurek G, Derks R, Meulenbelt I, Kloppenburg M, Slagboom EP, Deelder AM.
J Chromatogr A. 2007 Aug 3;1159(1-2):149-53. doi: 10.1016/j.chroma.2007.04.055. Epub 2007 Apr 29.
PMID:17540385
Effects of Histidine Supplementation on Global Serum and Urine (1)H NMR-based Metabolomics and Serum Amino Acid Profiles in Obese Women from a Randomized Controlled Study.
Du S, Sun S, Liu L, Zhang Q, Guo F, Li C, Feng R, Sun C.
J Proteome Res. 2017 Jun 2;16(6):2221-2230. doi: 10.1021/acs.jproteome.7b00030. Epub 2017 May 5.
PMID:28447460
beta-Aminoisobutyric acid (alpha-methyl-beta-alanine); a new amino-acid obtained from human urine.
CRUMPLER HR, DENT CE, HARRIS H, WESTALL RG.
Nature. 1951 Feb 24;167(4243):307-8. doi: 10.1038/167307a0.
PMID:14806475
THE DETERMINATION OF BETA-AMINO-ISOBUTYRIC ACID IN URINE.