Feng, Lulu Strong Acid Anions Significantly Increasing the Charge State of Proteins during Electrospray Ionization. [electronic resource] - Analytical chemistry 01 2020 - 1770-1779 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1520-6882 Standard No.: 10.1021/acs.analchem.9b03416 doi Subjects--Topical Terms: Acetic Acid--chemistryAnionsCytochromes c--chemistryFormates--chemistryMyoglobin--chemistrySpectrometry, Mass, Electrospray Ionization