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Table 1 Combined and standard image analysis. For one of the scanned Lucidea arrays, image analyses were performed in three different ways; standard analysis using GenePix, standard analysis using ScanArrayExpress, and combined analysis using ScanArrayExpress. The standard method analyzed images from one scan so that the spots were equally defined for both channels, while the combined method analyzed images from two scans so that the spots were equally defined for all four images. Here "70+100" means that images from the 70 scan were analyzed together with images from the 100 scan. The table shows the percentage of spots that the image analyses failed to identify.

From: Evaluation of microarray data normalization procedures using spike-in experiments

 

ScanArrayExpress

GenePix

 

Standard

Combined

Standard

Scan

70

80

90

100

70+100

80+100

90+100

80

Not found (%)

52

49

44

41

41

41

37

46