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This is a man-made version of Vitamin B12, and it is effective for most people, helping with blood cell formation just like the natural kind
Cohen himself tried to develop it as a drug, but the peptide was so unstable that it broke down within minutes
Overexpressed proteins were purified on a Ni-NTA column (Cytiva) with an elution buffer containing 50 mM NaH 2 PO 4 , 300 mM NaCl, and 300 mM imidazole
10 mg vial + 2.0 mL bacteriostatic water 10 mg 2.0 mL = 5 mg/mL
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