S.H. Kopf

First name

S.H.

Last name

Kopf

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

Reference Link
Asamoto, C., Y. Ryu, K. Eckartt, J. Kelley-Kern, Lars E.P. Dietrich, D.M. Sigman, and S.H. Kopf. 2024. “Stable Isotopic Signature of Dissimilatory Nitrate Reduction Is Robust Against Enzyme Mutation”. Proceedings of the National Academy of Sciences of the United States of America. National Academy of Sciences. doi:10.1073/pnas.2416002121.

Reference Link
McRose, D.L., A. Lee, S.H. Kopf, O. Baars, A.M.L. Kraepiel, D.M. Sigman, F.M.M. Morel, and X. Zhang. 2019. “Effect of Iron Limitation on the Isotopic Composition of Cellular and Released Fixed Nitrogen in Azotobacter Vinelandii”. Geochimica Et Cosmochimica Acta 244. Elsevier Ltd: 12-23. doi:10.1016/j.gca.2018.09.023.

Reference Link
Marconi, D., S.H. Kopf, P.A. Rafter, and D.M. Sigman. 2017. “Aerobic Respiration Along Isopycnals Leads to Overestimation of the Isotope Effect of Denitrification in the Ocean Water Column”. Geochimica Et Cosmochimica Acta 197. Elsevier Ltd: 417-32. doi:10.1016/j.gca.2016.10.012.

Reference Link
Fripiat, F., A. Martínez-García, D. Marconi, S.E. Fawcett, S.H. Kopf, V.H. Luu, P.A. Rafter, R. Zhang, D.M. Sigman, and G.H. Haug. 2021. “Nitrogen Isotopic Constraints on Nutrient Transport to the Upper Ocean”. Nature Geoscience 14. Nature Research: 855-61. doi:10.1038/s41561-021-00836-8.

Reference Link