Partial Least Squares Discriminant Analysis of NMR spectra acquired on blood serum samples.

Abstract

<p>Scores (<b>A</b>) and weights (on LV1, <b>B</b>, and LV2, <b>C</b>) plots obtained from OSC-PLS-DA performed on the NMR spectra of 44 blood serum samples. Group A (solid red, 19 samples): patients at diagnosis; group C1 (solid blue, 10 samples): sustained remission and group C2 (empty blue, 15 samples): in relapse after chemotherapy. Cho: choline; Cre: creatinine; Pyr: pyruvate; Ala: alanine; 2HiB: 2-hydroxyisobutyrate; Lac: lactate; 2HB: 2-hydroxybutyrate. H-xan: hypoxantine; Glu: glutamate; Gln: glutamine; Ace: acetate.</p

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