Table 2. Recipe of Digestion buffer B.

Component	Final concentration	Stock concentration*	Volume for 50 ml
Deoxyribonuclease I	100 μg/ml	Stock as powder	5 mg
Dispase II	5 mg/ml	Stock as powder	250mg
HEPES	20 mM	1M	1 ml
DMEM/F12 medium	-	-	Up to 50 ml#