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Figure 4 | BMC Genomics

Figure 4

From: Estimating RNA-quality using GeneChip microarrays

Figure 4

Collection of tongs plots taken from the ratQC data set. The RNA was extracted from liver samples either after ex vivo incubation of fresh tissue (panel a, incubation time 0, 210 and 300 min) or after thawing frozen tissue (b, incubation time 0, 40 and 60 min). The plots in panel c and d show the tongs-opening and the dk parameter of both series as a function of the incubation time, respectively. RNA prepared from frozen samples degrades much faster than RNA from fresh samples. The insert in part b correlates the dk and tongs opening parameters. Their relation follows a logarithmic function

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