Figure 1From: Identification of potential serum peptide biomarkers of biliary tract cancer using MALDI MS profiling MALDI MS profiling of serum peptides in biliary disease. A. Average MALDI-TOF spectra for BTC (red) and healthy (green) serum samples over the full scan range of m/z 700–10,000. B. Zoomed spectra over the m/z 1,700 to 6,900 range.Back to article page