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Complete Growth Medium
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Waymouth's MB 752/1 medium, 90%; fetal bovine serum, 10%
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Subculturing
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Medium Renewal: Twice per week Remove the spent medium, add fresh 0.25% trypsin, 0.03% EDTA solution, rinse and remove trypsin. Add fresh trypsin solution (1 to 2 ml) and let the culture sit at room temperature (or 37C) until the cells detach. Add fresh medium, aspirate and dispense into new flasks. Set up flasks at about 9 X 10 exp6 cells per 75 sq. cm. flask.
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Cryopreservation
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Culture medium, 95%; DMSO, 5%
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