Y. Ai, J. Xu, H. P. Gunawardena, R. N. Zare, and H. Chen, “Investigation of Tryptic Protein Digestion in Microdroplet and in Bulk Solution,” J. Am. Soc. Mass Spectrom., 33, 1238-12-1249 (2022) Y. Ai, J. Xu, H. P. Gunawardena, R. N. Zare, and H. Chen, “Investigation of Tryptic Protein Digestion in Microdroplet and in Bulk Solution,” J. Am. Soc. Mass Spectrom., 33, 1238-12-1249 (2022).