Skip to main content
. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Int J Mass Spectrom. 2018 May 22;432:1–8. doi: 10.1016/j.ijms.2018.05.013

Figure 4.

Figure 4.

IM-MS spectrum of a mixture of epimers (isotopically labeled 25OHD3), demonstrating the increased relative abundance of the “open” conformation of 25OHD3 for both (A) potassium adducts and (B) barium adducts.