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The lyophilized powder should be reconstituted with an appropriate research-grade solvent in a controlled laboratory environment prior to use in in vitro or preclinical assay systems
Shelf Life Summary Powder (fridge): 1224 months Powder (freezer): 24+ years Reconstituted liquid (fridge): 38 weeks Reconstituted liquid (frozen aliquots): Several months with cryoprotectant Dont Do This Dont use tap or boiled water
B12 Deficiency: Widespread, yet too Often Undetected How common is B12 deficiency
Document everything in the patient file
Refrigerate Immediately: Once reconstituted, the solution is no longer stable at room temperature for extended periods
follow your institution's protocols
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