Figure 3
From: Fast urinary screening of oligosaccharidoses by MALDI-TOF/TOF mass spectrometry
Reflectron MALDI-TOF and MALDI TOF/TOF analysis of urine from gangliosidosis affected patients – Representative positive-ion MS spectra of GM1 (A) and Sandhoff (E) patients with positive-ion MS/MS spectra of respective intensive peaks (B-C, F-H). Representative negative-ion MS spectra of GM1 (D) and Sandhoff (I) patients.N-acetylglucosamine (black squares), Mannose (grey circles), Galactose (open circles).