Ciphergen SEL- IOF MS m/z range Data points 15,280 700 12000 Probe 360.000 12000 AHI QSTAR Pukar OTOF MS Figure 3 Comparison between chromatograms generated on a low-performance mass spectrometer( Ciphergen SELDI-TOF MS) and a high-performance instrument (ABI QSTARE Pulsar QqTOF MS). The same sample was run on both instruments using the identical protein chip. Note the significant increase in data points possible with the high-performance machine Rosenblatt KP, et al. Annu rev med, 2004, 55: 97-112Rosenblatt KP, et al. Annu Rev Med, 2004, 55:97–112