Figure 1From: Limitations in SELDI-TOF MS whole serum proteomic profiling with IMAC surface to specifically detect colorectal cancer Raw peak spectra generated by two generations IMAC arrays. QC-30 and QC-3, a same QC sample on IMAC 30 and IMAC 3 in year 2008, respectively; N-04 and C-04, a normal and a cancer sample on IMAC 3 in year 2004.Back to article page