From: Do-it-yourself: construction of a custom cDNA macroarray platform with high sensitivity and linear range
Parameter
Limits
Primer length
16-25 nt
Primer Tm
52-60°C
Primer dTm
≤ 2°C
3' pentamer stability
8.5 -kc/M
Product size
250-550 bp (tolerated 250-750 bp)
Product location
3' proximal 1000 nt (tolerated 1500 nt)
Product Tm
70-90°C