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. Author manuscript; available in PMC: 2015 Apr 25.
Published in final edited form as: J Chromatogr A. 2014 Mar 5;1339:80–85. doi: 10.1016/j.chroma.2014.02.076

Figure 2.

Figure 2

Frontal elution profiles 0.75 μM etoposide (A), 5 μM etoposide (B), 0.75 μM etoposide + 2 μM verapamil (C), 5 μM etoposide + 2 μM verapamil (D), on the NMAC (LN-229)-IAM column (0.531 cm × 2 cm) on the Agilent LC–MSD by frontal affinity chromatography using ammonium acetate [10 mM, pH 7.4] at 0.4 ml min−1 as the mobile phase.