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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Protein Expr Purif. 2011 May 27;79(1):16–24. doi: 10.1016/j.pep.2011.05.012

Figure 4.

Figure 4

(A), Purification of recombinant Aβ(1–40) by reverse-phase HPLC on a Vydac C18 column. The elution solution from 24 min to 28 min (arrows) was collected and lyophilized. (B), Chromatographic profile of a chemically synthesized purified Aβ(1–40) on the same Vydac C18 column using the same elution gradient for comparison. The dashed line indicated the percentage (v/v) of acetonitrile in the elution solution.