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Activin A stock solution (10μg/mL).
| Reagent | Amount |
|---|---|
| Recombinant Activin A (ActA; R&D Systems 338-AC-005) | 5 μg |
| BSA fraction V solution in PBS (0.1%, w/v) | 0.5 mL |
Resuspend lyophilized Activin A in its vial, mix well, aliquot 50μL, and freeze at −80°C. Thaw each aliquot as needed and store it at 4°C. Do not refreeze.
