*Han, E., S.H. Kopf, A.E. Maloney, X.E. Ai, D.M. Sigman, and X. Zhang. (2025) 2025. “Nitrogen Stable Isotope Fractionation by Biological Nitrogen Fixation Reveals Cellular Nitrogenase Is Diffusion Limited”. PNAS Nexus 4: pgaf061. doi:10.1093/pnasnexus/pgaf061.
X.E. Ai
First name
X.E.
Last name
Ai