Research Article

Investigation of Archived Formalin-Fixed Paraffin-Embedded Pancreatic Tissue with Whole-Genome Gene Expression Microarray

Table 2

Total RNA after DNase treatment and labelling with fluorophore. RNA quality and labelling efficiency were calculated for FF and FFPE samples (nt nucleotides, aaRNA aminoallyl-modified RNA).

RNAN dye mol incorp/1000 ntpmol dye incorp/ng labelled aaRNA

PurityConc. μg/μLQuant μg
AllMean1.830.1922.3642.90.119
Min.0.087.2035.300.098
Max.0.5976.6566.800.185

FFPEMean1.840.2124.9643.70.121
Min.0.109.0435.300.098
Max.0.5976.6566.800.185

FrozenMean1.770.1311.9539.70.110
Min.0.087.2037.700.105
Max.0.1614.3342.500.118