Trypsin (1:250), powder (Cat. No. 27250018) is prepared by adding the 0.25 g of Trypsin powder to 100 mL of chilled HBSS (Cat. No. 14170112) to create a 0.25% solution.
For 1% solution, you would add 1g of trypsin powder to 100 mL of chilled HBSS.
The solution should be mixed for approximately 10 minutes, and the pH should be between 7.4-7.8. The solution should be sterile filtered (0.22 µm filter) and stored -20 degrees C.
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