Recipe

Activin A Stock Solution (10 µg/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 50 µL, and freeze at −80°C.
Thaw each aliquot as needed and store it at 4°C. Do not refreeze.
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