Reconstructed ion chromatograms of the hydrolyzed collagen samples. Samples were separated by reversed-phase liquid chromatography and detected by ESI mass spectrometry. (A) Bovine collagen III, as received, (B) Bovine collagen III extracted from SDS-PAGE, and (C) Recombinant human collagen III. Rows: Top, IS = internal standard; Middle, HYP = hydroxyproline; Bottom, PRO = proline.
Chan et al. BMC Biotechnology 2012 12:51 doi:10.1186/1472-6750-12-51