James E. Penner‐Hahn

University of Michigan–Ann Arbor — United States

Chemistry · Physical Sciences

72h-index16.4kcitations338works2.72yr avg
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Research Topics

Metal-Catalyzed Oxygenation Mechanisms(58), X-ray Spectroscopy and Fluorescence Analysis(45), Metal complexes synthesis and properties(33), Trace Elements in Health(32), Porphyrin Metabolism and Disorders(29)

Publications338 total

<b>International Tables for Crystallography, Volume I, X-ray absorption spectroscopy and related techniques</b> . Edited by C. T. Chantler, F. Boscherini and B. Bunker. Wiley, 2024, Hardcover, Pp. XIV+1074, price EUR 395.50. Hardcover: ISBN 978-1-119-43394-1.
Acta Crystallographica Section A Foundations and Advances·2026Open Access
Shining light on the mechanism of photochemical alkene formation in vitamin B <sub>12</sub>
Chemical Science·2026Open Access
Reconciling the Different Apparent Decay Pathways for Iron(III) Tetraphenylporphyrin Chloride: Evidence for Excited State Branching
The Journal of Physical Chemistry A·2025
Electronic Structure of Coenzyme B <sub>12</sub> Excited States as Probed by Time-Resolved X-ray Absorption and Emission Spectroscopies
The Journal of Physical Chemistry B·2025
Influence of Surface Defects on WO<sub>3</sub> Photoelectrodes for Catalyzing Chloride Oxidation in Water
ACS Applied Energy Materials·2025
Shining Light on the Mechanism of Photochemical Alkene Formation in Vitamin B12
2025Open Access
Structural Evolution of Photoexcited Methylcobalamin toward a CarH-like Metastable State: Evidence from Time-Resolved X-ray Absorption and X-ray Emission
The Journal of Physical Chemistry B·2024· 2 citedOpen Access
Revving up a Designed Copper Nitrite Reductase Using Noncoded Active Site Ligands
ACS Catalysis·2024· 11 citedOpen Access
Co(II) Substitution Enhances the Esterase Activity of a de Novo Designed Zn(II) Carbonic Anhydrase
Chemistry - A European Journal·2024· 8 citedOpen Access
Ultrafast X-ray Absorption Spectroscopy Reveals Excited-State Dynamics of B<sub>12</sub> Coenzymes Controlled by the Axial Base
The Journal of Physical Chemistry B·2024· 6 citedOpen Access
Watching Excited State Dynamics with Optical and X-ray Probes: The Excited State Dynamics of Aquocobalamin and Hydroxocobalamin
Journal of the American Chemical Society·2023· 11 citedOpen Access
Unexpected plasticity of the quaternary structure of iron-manganese superoxide dismutases
Journal of Structural Biology·2022Open Access
Cu(I) Binding to Designed Proteins Reveals a Putative Copper Binding Site of the Human Line1 Retrotransposon Protein ORF1p
Inorganic Chemistry·2022· 3 citedOpen Access
Time-resolved spectroscopy: Advances in understanding the electronic structure and dynamics of cobalamins
Methods in enzymology on CD-ROM/Methods in enzymology·2022· 4 cited
Watching Molecules in Action: Cobalamins as a Case Study
The International Conference on Ultrafast Phenomena (UP) 2022·2022
Open Reading Frame 1 Protein of the Human Long Interspersed Nuclear Element 1 Retrotransposon Binds Multiple Equivalents of Lead
Journal of the American Chemical Society·2021· 3 citedOpen Access
Nitrite reductase activity within an antiparallel de novo scaffold
JBIC Journal of Biological Inorganic Chemistry·2021· 10 citedOpen Access
Synthesis and characterization of amorphous Fe2.75Dy-oxide thin films demonstrating room-temperature semiconductor, magnetism, and optical transparency
Journal of Applied Physics·2021Open Access
The Photoactive Excited State of the B<sub>12</sub>-Based Photoreceptor CarH
The Journal of Physical Chemistry B·2020· 35 citedOpen Access
Probing a Silent Metal: A Combined X-ray Absorption and Emission Spectroscopic Study of Biologically Relevant Zinc Complexes
Inorganic Chemistry·2020· 37 citedOpen Access
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Frequent Co-authors

Keith O. Hodgson(9), Vincent L. Pecoraro(7), Thomas V. O’Halloran(6), I‐Wei Chen(5), Geoffrey S. Waldo(5), Edward I. Solomon(4), Ping Li(4), Tsu-Chien Weng(4), Katrina Peariso(3), Robert A. Scott(3), Sebastian Doniach(3), Christopher P. Singer(2), Britt Hedman(2), K S Eble(2), Thomas J. McMurry(2), Mark W. Renner(2), Alan L. Balch(2), John T. Groves(2), John H. Dawson(2), Yi Xue(2)