Additional File 4.

Intensity distributions vary with RNA degradation in IVT- but not DASL-based assays. Boxplot showing the amplitude of genome-wide intensity distributions detected for intact and artificially degraded reference brain and pooled RNA samples processed by IVT- and DASL-based platforms. In the IVT-processed samples, increasing RNA degradation correlated with a smaller range of intensity values clustered at low intensities. In the DASL-processed samples, this confound was not observed. B0 = intact reference brain RNA; B10 = 10 minute heating at 95°C; B30 = 30 minute heating at 95°C; B60 = 60 minute heating at 95°C; P0 = intact reference pooled RNA; P10 = 10 minute heating at 95°C; P30 = 30 minute heating at 95°C; P60 = 60 minute heating at 95°C; B75P25 = 75% brain reference RNA and 25% pooled reference RNA combination; B25P75 = 25% brain reference RNA and 75% pooled reference RNA combination; rep = technical replicate.

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Chow et al. BMC Genomics 2011 12:449   doi:10.1186/1471-2164-12-449