Preliminary Analysis of the Glycolipid Profile in Secondary Brain Tumors

Figure 6

(-) MALDI QTOF MS/MS of the ion [M + Na⁺-2H⁺]^- at m/z 792.620 isolated from secondary brain tumor. Ion source 1: 25.00 kV; ion source 2: 21.30 kV; lens: 10.50 kV; reflector: 26.30 kV; reflector 2: 13.85 kV, pulsed ion extraction: 50 ns. Matrix: 3,5-DHB. Inset:. Fragmentation scheme of Hex-Cer(d18 : 0/h20:0).