scanning
data:
(R,G,...)
PCR
product amplification
purification
printing
Hybridize
RNA
Test sample
cDNA
RNA
Reference sample
cDNA
excitation
red laser
green laser
emission
overlay
images
Production
Plate effects
(?)
(?)
Intensity
effects
(labelling
efficiency)
Intensity
effects
(quenching)
Sources of Artifacts