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. Author manuscript; available in PMC: 2012 Sep 23.
Published in final edited form as: J Chromatogr A. 2011 Jul 24;1218(38):6675–6687. doi: 10.1016/j.chroma.2011.07.063

Fig. 3.

Fig. 3

LC × LC chromatograms of maize extract samples using six different first dimension phases paired with second dimension carbon phase under Elution Condition 1. (a) F5: Discovery HS-F5; (b) C3: Zorbax 300SB-C3; (c) C8: Zorbax 300SB-C8; (d) CN: Zorbax SB-CN; (e) Bonus: Zorbax Bonus-RP; and (f) HC–COOH: home-made HC–COOH.