(a) CSF samples processed for F4-NPs
(b) Samples processed for F2-IsoPs
Figure 5: The chromatograms monitored for the additional 30-min holding (8.6 min to 38.6 min) of the column at 280°C after normal acquisition of data. (a) The chromatograms at m/z 569.4, m/z 573.4, and m/z 593.5 for the same M-CSF sample described in Figure 2. (b) The chromatograms at m/z 593.5 for the same CSF, plasma, and urine samples described in Figure 4.