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Figure 2 | BMC Cancer

Figure 2

From: Distinctive serum protein profiles involving abundant proteins in lung cancer patients based upon antibody microarray analysis

Figure 2

The first 3 principal components from normalized log-base-2 ratios of sample to reference pool intensities, using all 84 antibodies. The full 3-dimensional figures that can be rotated are available in the supplementary materials. In A, normal, COPD and lung cancer patients are marked with yellow, blue and red, respectively. The first three principal components account for 43% of the variance. In B, seven slides are marked separately with blue, black, yellow, green, purple, brown and red.

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