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. Author manuscript; available in PMC: 2019 Feb 7.
Published in final edited form as: Anal Chim Acta. 2018 Oct 9;1048:105–114. doi: 10.1016/j.aca.2018.10.015

Fig. 3.

Fig. 3.

Positive-ion spectra of N-glycans released from ribonuclease B (RNase B) before (A) or after on-target derivatization with phenylhydrazine (PHN) (B) or after GTOD (C) by MALDI-TOF-MS at the same concentration and MS conditions.