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. 2010 Jun 21;1:38–50. doi: 10.7150/jca.1.38

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© Ivyspring International Publisher. This is an open-access article distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by-nc-nd/3.0/). Reproduction is permitted for personal, noncommercial use, provided that the article is in whole, unmodified, and properly cited.

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Fig 2 — High quality customized cDNA microarray. (A, B) The images of two sets of 768 genes on the same glass slide. The image A shows the identical patterns with the image B. The enlarged image parts at i, ii, and iii in the set (A) are identical to those at i', ii' and iii' in the set (B). (C, D) Statistical analysis of the expression ratios of 200 informative genes between MDA-MB-231 and MDA/H6 were detected by two sets of genes (images A and B) on Slide 1 (C) and on Slide 2 (D). (E) The average ratios of the gene expression from Slide 1A and 1B were plotted against the average ratios from Slide 2A and 2B. The linear regression and Pearson coefficient of correlation were computed from the scatter plots that are on log-scale. The strong linear relations and high values of Pearson coefficient of correlation (r) are indicated in each comparison. "x": an gene expression ratio between MDA-MB-231 and MDA/H6 on x-axis; "y": the ratio between these two samples on the y-axis corresponding to a given "x".