... corre-sponding signal abundances, covering the range of ana-lyzed m/z values.Analysis of protein tumor markers in plasma Plasma samples were obtained after centrifugation of blood on a Ficoll gradient ... Polanska†3, Katarzyna Behrendt1, Elzbieta Nowicka1, Anna Walaszczyk1, Aleksandra Chmura1, Regina Deja1, Maciej Stobiecki2, Andrzej Polanski3,4, Rafal Tarnawski1 and Piotr Widlak*1Address: ... Statistical AnalysisThe preprocessing of data that included averaging of tech-nical repeats, interpolation of missing or non-alignedpoints, binning of neighboring points to reduce data com-plexity,...