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SDS-PAGE analysis of bevacizumab fractions eluted from SEC. Novex Bis-Tris 4–12% gels were stained with silver stain. Lane M: Protein standards. Lane 1: Bevacizumab from vial. Lane 2–4: Bevacizumab fractions at 58–60 min from SEC represent dimer of bevacizumab. Lane 5,6: Bevacizumab fractions at 71–72 min from SEC represent the monomer content.
