Timothy E. Machonkin

4.4k citations

22 papers · 3.8k indexed · 1 hit paper · h-index 15

Co-authors: Edward I. Solomon Uma M. Sundaram John L. Markley William M. Westler Britt Hedman Keith O. Hodgson Patrick L. Holland Daniel J. Kosman
Topics: Metal-Catalyzed Oxygenation Mechanisms (16 papers)Enzyme-mediated dye degradation (5 papers)Photosynthetic Processes and Mechanisms (5 papers)
Cited by: Inorganic Chemistry Electrochemistry Biotechnology
Journals: Chemical Reviews Proceedings of the National Academy of Sciences Journal of the American Chemical Society
Partner nations: United States Italy South Korea

In The Last Decade

Timothy E. Machonkin

21 papers receiving 3.7k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Multicopper Oxidases and Oxygenases

1996 3.2k citations Edward I. Solomon, Uma M. Sundaram et al. Chemical Reviews profile →

Peers

Countries citing papers authored by Timothy E. Machonkin

Since Specialization

Citations

This map shows the geographic impact of Timothy E. Machonkin's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Timothy E. Machonkin with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Timothy E. Machonkin more than expected).

Fields of papers citing papers by Timothy E. Machonkin

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Timothy E. Machonkin. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Timothy E. Machonkin. The network helps show where Timothy E. Machonkin may publish in the future.

Co-authorship network of co-authors of Timothy E. Machonkin

This figure shows the co-authorship network connecting the top 25 collaborators of Timothy E. Machonkin. A scholar is included among the top collaborators of Timothy E. Machonkin based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Timothy E. Machonkin. Timothy E. Machonkin is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	The role of halogen substituents and substrate pKa in defining the substrate specificity of 2,6-dichlorohydroquinone 1,2-dioxygenase (PcpA) 2019 ·JBIC Journal of Biological Inorganic Chemistry ·(unknown),(unknown),(unknown),Ivana Vuković,Timothy E. Machonkin	0
2	Metal–Halogen Secondary Bonding in a 2,5‐Dichlorohydroquinonate Cobalt(II) Complex: Insight into Substrate Coordination in the Chlorohydroquinone Dioxygenase PcpA 2015 ·European Journal of Inorganic Chemistry ·Jeremy A. Schofield,William W. Brennessel,Eugenijus Urnéžius,Dalia Rokhsana,(unknown),D.H. Juers,Patrick L. Holland,Timothy E. Machonkin	5
3	Structural and Spectroscopic Characterization of Iron(II), Cobalt(II), and Nickel(II) ortho-Dihalophenolate Complexes: Insights into Metal–Halogen Secondary Bonding 2014 ·Inorganic Chemistry ·Timothy E. Machonkin,(unknown),Jeremy A. Schofield,Meghan M. Rodriguez,Katarzyna Grubel,Dalia Rokhsana,William W. Brennessel,Patrick L. Holland	12
4	Substrate Specificity of Sphingobium chlorophenolicum 2,6-Dichlorohydroquinone 1,2-Dioxygenase 2011 ·Biochemistry ·Timothy E. Machonkin,(unknown)	26
5	Determination of the active site of Sphingobium chlorophenolicum 2,6-dichlorohydroquinone dioxygenase (PcpA) 2009 ·JBIC Journal of Biological Inorganic Chemistry ·Timothy E. Machonkin,Patrick L. Holland,(unknown),(unknown),Adriana Dinescu,Thomas R. Cundari,(unknown)	19
6	Hyperfine-Shifted ¹³C and ¹⁵N NMR Signals from Clostridium pasteurianum Rubredoxin: Extensive Assignments and Quantum Chemical Verification 2009 ·Journal of the American Chemical Society ·(unknown),Bin Xia,David S. King,Timothy E. Machonkin,William M. Westler,John L. Markley	19
7	Solid-state and proton NMR characterization of an iron(II) complex of a tridentate, facially coordinating N,N,O donor ligand 2008 ·Inorganica Chimica Acta ·(unknown),William W. Brennessel,Timothy E. Machonkin,Patrick L. Holland	12
8	Paramagnetic NMR Spectroscopy and Density Functional Calculations in the Analysis of the Geometric and Electronic Structures of Iron−Sulfur Proteins 2005 ·Inorganic Chemistry ·Timothy E. Machonkin,William M. Westler,John L. Markley	57
9	Crystallographic studies of V44 mutants of Clostridium pasteurianum rubredoxin: Effects of side‐chain size on reduction potential 2004 ·Proteins Structure Function and Bioinformatics ·Il Yeong Park,Marly K. Eidsness,(unknown),(unknown),BuHyun Youn,(unknown),Timothy E. Machonkin,Ronnie O. Frederick,John L. Markley,Eugene T. Smith,Toshiko Ichiye,ChulHee Kang	16
10	Strategy for the Study of Paramagnetic Proteins with Slow Electronic Relaxation Rates by NMR Spectroscopy: Application to Oxidized Human [2Fe-2S] Ferredoxin 2004 ·Journal of the American Chemical Society ·Timothy E. Machonkin,William M. Westler,John L. Markley	38
11	Correlation between Hydrogen Bond Lengths and Reduction Potentials in Clostridium pasteurianum Rubredoxin 2003 ·Journal of the American Chemical Society ·(unknown),(unknown),Timothy E. Machonkin,William M. Westler,John L. Markley	22
12	¹³C{¹³C} 2D NMR: A Novel Strategy for the Study of Paramagnetic Proteins with Slow Electronic Relaxation Rates 2002 ·Journal of the American Chemical Society ·Timothy E. Machonkin,William M. Westler,John L. Markley	70
13	The EPR spectrum of a Cu(II/II/III) cluster: anisotropic exchange in a bent Cu(II)2O2 core 2002 ·Inorganica Chimica Acta ·Timothy E. Machonkin,Pulakesh Mukherjee,Mark J. Henson,T. Daniel P. Stack,Edward I. Solomon	19
14	Spectroscopy and Reactivity of the Type 1 Copper Site in Fet3p from Saccharomyces cerevisiae: Correlation of Structure with Reactivity in the Multicopper Oxidases 2001 ·Journal of the American Chemical Society ·Timothy E. Machonkin,Liliana Quintanar,Amy E. Palmer,Richard Hassett,Scott Severance,Daniel J. Kosman,Edward I. Solomon	66
15	The Thermodynamics, Kinetics, and Molecular Mechanism of Intramolecular Electron Transfer in Human Ceruloplasmin 2000 ·Journal of the American Chemical Society ·Timothy E. Machonkin,Edward I. Solomon	67
16	Investigation of the Anomalous Spectroscopic Features of the Copper Sites in Chicken Ceruloplasmin: Comparison to Human Ceruloplasmin 1999 ·Biochemistry ·Timothy E. Machonkin,Giovanni Musci,(unknown),Maria Carmela Bonaccorsi di Patti,Lilia Calabrese,Britt Hedman,Keith O. Hodgson,Edward I. Solomon	5
17	Spectroscopic and Magnetic Studies of Human Ceruloplasmin: Identification of a Redox-Inactive Reduced Type 1 Copper Site 1998 ·Biochemistry ·Timothy E. Machonkin,(unknown),Britt Hedman,Keith O. Hodgson,Edward I. Solomon	64
18	ChemInform Abstract: Multicopper Oxidases and Oxygenases 1997 ·ChemInform ·Edward I. Solomon,Uma M. Sundaram,Timothy E. Machonkin	1
19	Multicopper Oxidases and Oxygenasesbreakdown → 1996 ·Chemical Reviews ·Edward I. Solomon,Uma M. Sundaram,Timothy E. Machonkin	3166
20	A structurally characterized dichloro-manganese(IV) complex capable of halogenating alkenes 1995 ·Journal of the Chemical Society Chemical Communications ·Neil A. Law,Timothy E. Machonkin,(unknown),Erlund J. Larson,Jeff W. Kampf,Vincent L. Pecoraro	22

About Timothy E. Machonkin

Timothy E. Machonkin is a scholar working on Inorganic Chemistry, Renewable Energy, Sustainability and the Environment and Biophysics, having authored 22 papers that have together received 3.8k indexed citations. Recurring topics across this work include Metal-Catalyzed Oxygenation Mechanisms (16 papers), Enzyme-mediated dye degradation (5 papers) and Photosynthetic Processes and Mechanisms (5 papers). The work is most often cited by research in Inorganic Chemistry (1.4k citations), Electrochemistry (533 citations) and Biotechnology (394 citations). Timothy E. Machonkin has collaborated with scholars based in United States, Italy and South Korea. Frequent co-authors include Edward I. Solomon, Uma M. Sundaram, John L. Markley, William M. Westler, Britt Hedman, Keith O. Hodgson, Patrick L. Holland, Daniel J. Kosman, Amy E. Palmer and Scott Severance. Their work appears in journals such as Chemical Reviews, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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