Skip to main content
. Author manuscript; available in PMC: 2018 May 17.
Published in final edited form as: Anal Chem. 2017 Nov 22;89(23):12631–12635. doi: 10.1021/acs.analchem.7b04080

Figure 2.

Figure 2

Negative ion mode nanoESI-MS of TGA derivatized (a) cholesterol acetate (1 μM, m/z 517.2) and (b) MS2 CID of [TGA–Ac-Chol – H]–, (c) ergosterol (1 μM, m/z 485.3), and (d) MS2 CID of [TGA–Ergo – H]–.