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C. Popescu · SciRah

Researcher profile · Semantic Scholar

C. Popescu

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C. Popescu — researcher profile on SciRah

h-index: 21
Works: 39
Citations: 1,629

Most-cited papers

Iron-sulfur cluster disassembly in the FNR protein of Escherichia coli by O2: [4Fe-4S] to [2Fe-2S] conversion with loss of biological activity.
N. Khoroshilova, C. Popescu, E. Münck, H. Beinert +1 more
1997Proceedings of the National Academy of Sciences of the United States of America347 citations Open access
Semantic Scholar
Electronic Structure of the H Cluster in [Fe]-Hydrogenases
C. Popescu, E. Münck
1999139 citations
Semantic Scholar
Mössbauer spectroscopy as a tool for the study of activation/inactivation of the transcription regulator FNR in whole cells of Escherichia coli.
C. Popescu, Donna M. Bates, H. Beinert, E. Münck +1 more
1998Proceedings of the National Academy of Sciences of the United States of America100 citations Open access
Semantic Scholar
Substitution of Leucine 28 with Histidine in theEscherichia coli Transcription Factor FNR Results in Increased Stability of the [4Fe-4S]2+ Cluster to Oxygen*
D. Bates, C. Popescu, N. Khoroshilova, Kevin L. Vogt +3 more
2000Journal of Biological Chemistry91 citations Open access
Semantic Scholar
Benzoate 1,2-dioxygenase from Pseudomonas putida: single turnover kinetics and regulation of a two-component Rieske dioxygenase.
Matt D. Wolfe, D. Altier, A. Stubna, C. Popescu +2 more
2002Biochemistry79 citations
Semantic Scholar
Structural and spectroscopic features of mixed valent Fe(II)Fe(I) complexes and factors related to the rotated configuration of diiron hydrogenase.
C. Hsieh, Ozlen F Erdem, Scott D Harman, Michael L. Singleton +7 more
2012Journal of the American Chemical Society78 citations Open access
Semantic Scholar
Synthesis and Mössbauer characterization of octahedral iron(II) carbonyl complexes FeI2(CO)3L and FeI2(CO)2L2: developing models of the [Fe]-H(2)ase active site.
Bin Li, T. Liu, C. Popescu, Andrey Bilko +1 more
2009Inorganic Chemistry66 citations
Semantic Scholar
Ferric uptake regulator (Fur) reversibly binds a [2Fe-2S] cluster to sense intracellular iron homeostasis in Escherichia coli
Chelsey R. Fontenot, Homyra Tasnim, K. Valdes, C. Popescu +1 more
2020Journal of Biological Chemistry61 citations Open access
Semantic Scholar
Radical Rebound Hydroxylation Versus H-Atom Transfer in Non-Heme Iron(III)-Hydroxo Complexes: Reactivity and Structural Differentiation.
Michael J. Drummond, Courtney L. Ford, Danielle L. Gray, C. Popescu +1 more
2019Journal of the American Chemical Society61 citations Open access
Semantic Scholar
Catalytic N2 Reduction to Silylamines and Thermodynamics of N2 Binding at Square Planar Fe.
Demyan E. Prokopchuk, Eric S. Wiedner, E. Walter, C. Popescu +4 more
2017Journal of the American Chemical Society61 citations
Semantic Scholar
Analysis of a pentacoordinate iron dicarbonyl as synthetic analogue of the Hmd or mono-iron hydrogenase active site.
T. Liu, Bin Li, C. Popescu, Andrey Bilko +3 more
2010Chemistry61 citations
Semantic Scholar
Mössbauer and EPR Study of the Ni-Activated α-Subunit of Carbon Monoxide Dehydrogenase from Clostridium thermoaceticum
Jin-Qiang Xia, Zhengguo Hu, C. Popescu, P. Lindahl +1 more
199758 citations
Semantic Scholar
Redox active iron nitrosyl units in proton reduction electrocatalysis
C. Hsieh, Shengda Ding, Ö. F. Erdem, Danielle J. Crouthers +7 more
2014Nature Communications56 citations Open access
Semantic Scholar
Ambidentate thiocyanate and cyanate ligands in dinitrosyl iron complexes.
C. Hsieh, S. M. Brothers, J. Reibenspies, M. Hall +2 more
2013Inorganic Chemistry44 citations
Semantic Scholar
Monovalent iron in a sulfur-rich environment.
Michael T. Mock, C. Popescu, G. Yap, W. Dougherty +1 more
2008Inorganic Chemistry42 citations
Semantic Scholar
Synthetic, Spectroscopic and DFT Studies of Iron Complexes with Iminobenzo(semi)quinone Ligands: Implications for o-Aminophenol Dioxygenases
M. Bittner, D W Kraus, S. Lindeman, C. Popescu +1 more
2013Chemistry35 citations Open access
Semantic Scholar
Synthesis, Characterization, and Photophysical Studies of an Iron(III) Catecholate-Nitronylnitroxide Spin-Crossover Complex.
Christopher R Tichnell, D. Shultz, C. Popescu, Ivan Sokirniy +1 more
2015Inorganic Chemistry34 citations
Semantic Scholar
Characterization of Terminal Iron(III)-Oxo and Iron(III)-Hydroxo Complexes Derived from O2 Activation.
Zachary D. Gordon, T. J. Miller, Clare A. Leahy, Ellen M. Matson +7 more
2019Inorganic Chemistry32 citations
Semantic Scholar
Dioxygen Reactivity of Biomimetic Fe(II) Complexes with Noninnocent Catecholate, o-Aminophenolate, and o-Phenylenediamine Ligands
M. Bittner, S. Lindeman, C. Popescu, Adam T. Fiedler
2014Inorganic Chemistry30 citations Open access
Semantic Scholar
A high-spin organometallic Fe-S compound: structural and Mössbauer spectroscopic studies of [phenyltris((tert-butylthio)methyl)borate]Fe(Me).
C. Popescu, Michael T. Mock, S. Stoian, W. Dougherty +2 more
2009Inorganic Chemistry24 citations
Semantic Scholar
Methane monooxygenase hydroxylase and B component interactions.
Jingyan Zhang, B. Wallar, C. Popescu, Danielle Renner +2 more
2006Biochemistry22 citations
Semantic Scholar
Unusual NMR, EPR, and Mössbauer properties of Chromatium vinosum 2[4Fe-4S] ferredoxin.
Panayotis Kyritsis, R. Kummerle, J. Huber, Jacques Gaillard +4 more
1999Biochemistry18 citations
Semantic Scholar
Mössbauer Evidence for Antisymmetric Exchange in a Diferric Synthetic Complex and Diferric Methane Monooxygenase
K. Kauffmann, C. Popescu, Yanhong Dong, J. Lipscomb +2 more
199817 citations
Semantic Scholar
Mössbauer Spectroscopy and Theoretical Studies of Iron Bimetallic Complexes Showing Electrocatalytic Hydrogen Evolution.
C. Popescu, Shengda Ding, Pokhraj Ghosh, M. Hall +1 more
2019Inorganic Chemistry13 citations
Semantic Scholar
Hyperfine interactions and electron distribution in FeIIFeI and FeIFeI models for the active site of the [FeFe] hydrogenases: Mössbauer spectroscopy studies of low-spin FeI
S. Stoian, C. Hsieh, Michael L. Singleton, Andrea F. Casuras +4 more
2013JBIC Journal of Biological Inorganic Chemistry13 citations
Semantic Scholar
Electronic, Magnetic, and Redox Properties and O2 Reactivity of Iron(II) and Nickel(II) o-Semiquinonate Complexes of a Tris(thioether) Ligand: Uncovering the Intradiol Cleaving Reactivity of an Iron(II) o-Semiquinonate Complex
Peng Wang, Michelle M Killian, M. Saber, T. Qiu +6 more
2017Inorganic Chemistry10 citations Open access
Semantic Scholar
A Series of Cyanide-Bridged Binuclear Complexes
Michael T. Mock, Matthew T. Kieber-Emmons, C. Popescu, P. Gasda +2 more
2009Inorganica Chimica Acta10 citations Open access
Semantic Scholar
UST Research Online UST Research Online
Peng Wang, M. Saber, Peter E. VanNatta, Glenn P. A. Yap +5 more
10 citations
Semantic Scholar
Mössbauer studies of exchange coupled cluster assemblies in biological systems
E. Münck, C. Popescu
20007 citations
Semantic Scholar
Mössbauer studies of the redox state of the ferric uptake regulator [2Fe-2S]2+ cluster in Escherichia coli.
Chelsey R. Fontenot, Thomas Hoepner, Jin Xiong, H. Ding +1 more
2025Journal of Inorganic Biochemistry3 citations
Semantic Scholar
Nonheme Iron-Thiolate Complexes as Structural Models of Sulfoxide Synthase Active Sites
Danushka M. Ekanayake, Anne A. Fischer, Maya E. Elwood, Alexandra M. Guzek +3 more
2020Dalton Transactions3 citations Open access
Semantic Scholar
Observation of oxygenated intermediates in functional mimics of aminophenol dioxygenase.
Laxmi Devkota, Jin Xiong, Anne A. Fischer, Kate Murphy +5 more
2024Journal of Inorganic Biochemistry2 citations Open access
Semantic Scholar
Mössbauer studies of the ferryl, ferrous and ferric states of dehaloperoxidase from A. ornata.
C. Popescu, T. Dinh, Hong-Li Chen, Danielle V. Miller +5 more
2022Journal of Inorganic Biochemistry1 citations Open access
Semantic Scholar
Electronic structures and spectroscopic signatures of diiron intermediates generated by O2 activation of nonheme iron(ii)–thiolate complexes
Danushka M. Ekanayake, Dao Pham, Andrew L. Probst, Joshua R Miller +2 more
2021Dalton Transactions1 citations Open access
Semantic Scholar
Hyperfine interactions and electron distribution in FeIIFeI and FeIFeI models for the active site of the [FeFe] hydrogenases: Mössbauer spectroscopy studies of low-spin FeI
S. Stoian, C. Hsieh, Michael L. Singleton, Andrea F. Casuras +4 more
2013JBIC Journal of Biological Inorganic Chemistry1 citations
Semantic Scholar
Synthetic , Spectroscopic , and DFT Studies of Iron Complexes with Iminobenzo ACHTUNGTRENNUNG ( semi ) quinone Ligands : Implications for o-Aminophenol Dioxygenases
M. Bittner, D. Kraus, S. Lindeman, C. Popescu +1 more
20130 citations
Semantic Scholar
Dioxygen Reactivity of Biomimetic Fe(II) Complexes with Dioxygen Reactivity of Biomimetic Fe(II) Complexes with Noninnocent Catecholate, o-Aminophenolate, and o-Noninnocent Catecholate, o-Aminophenolate, and o-Phenylenediamine Ligands Phenylenediamine Ligands
M. Bittner, S. Lindeman, C. Popescu, Adam T. Fiedler
0 citations
Semantic Scholar
Nonheme Iron–Thiolate Complexes as Structural Models of Nonheme Iron–Thiolate Complexes as Structural Models of Sulfoxide Synthase Active Sites Sulfoxide Synthase Active Sites
Danushka M. Ekanayake, Anne A. Fischer, Maya E. Elwood, Alexandra M. Guzek +4 more
0 citations
Semantic Scholar
Synthetic, Spectroscopic and DFT Studies of Iron Complexes with Synthetic, Spectroscopic and DFT Studies of Iron Complexes with Iminobenzo(semi)quinone Ligands: Implications for o-Iminobenzo(semi)quinone Ligands: Implications for o-Aminophenol Dioxygenases Aminophenol Dioxygenases
D W Kraus, S. Lindeman, C. Popescu, Adam T. Fiedler
0 citations
Semantic Scholar

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