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. Author manuscript; available in PMC: 2020 Oct 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2019 Aug 5;30(10):2037–2040. doi: 10.1007/s13361-019-02272-w

Figure 1.

Figure 1.

Arrival time distributions for estradiol glucuronides standards (top) and mixtures (bottom) as their respective sodium adduct dimer in positive ion mode (a). Scatter plot of nitrogen collision cross sections for E3G (blue) and E17G (pink) as a function of the salt adduct (X = Li, Na, etc.) for [M+X] (circle), [M-H+2X] (square), and [2M+X] (diamond) in positive ion mode (b).