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. 2021 Sep 15;2(4):100810. doi: 10.1016/j.xpro.2021.100810

Heart digestion cocktail

Reagent Final concentration Amount
Collagenase II (10,000 U/mL) 400 U/mL 200 μL
DNase I (2U/ μL) 48 U/mL 120 μL
DMEM n/a 4.68 mL
Total n/a 5 mL

Prepare fresh immediately before use.