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Fig. 3 | Parasites & Vectors

Fig. 3

From: MALDI-TOF MS as a new tool for the identification of Dientamoeba fragilis

Fig. 3

Analysis of the spectra obtained for the D. fragilis No. 3313 reference strain at different trophozoite concentrations (106 trophozoites/ml in green, 105 trophozoites/ml in blue, 104 trophozoites/ml in yellow, 103 trophozoites/ml in purple) in comparison to the average reference spectrum in red. a Examples of the presence/absence of two discriminating peaks (5041 and 5087 Da). b Cluster analysis by “2D distribution view” of the first two best separating peaks (left) (the ellipses represent the standard deviation of each concentration average of the peak area/intensity) and by principal components analysis (PCA) (right)

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