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Table 1 New data generated for this study with Affymetrix GeneChip® microarrays

From: Evaluation of gene expression data generated from expired Affymetrix GeneChip® microarrays using MAQC reference RNA samples

Type of microarrays Sample1 Hybridization name Scaling factor Averaged correlation2
   A1 4.58  
  A A2 4.76 0.994
U133A (expired in 2004)   A3 4.29  
   B1 4.40  
  B B2 4.46 0.995
   B3 5.17  
   A1 2.64  
  A A2 2.95 0.998
U133Plus2   A3 2.72  
   B1 2.78  
  B B2 2.97 0.997
   B3 2.97  
  1. 1Sample A: Stratagene’s Universal Human Reference RNA; Sample B: Ambion’s Human Brain Reference RNA; 2Averaged Pearson correlation coefficient for pair-wise log2 intensity comparison across the three replicates.