Jan Kern

14.4k citations

87 papers · 8.0k indexed · 5 hit papers · h-index 34

Structural Biology top 1%
- Advanced Electron Microscopy Techniques and Applications 13
Renewable Energy, Sustainability and the Environment top 0.5%
Inorganic Chemistry top 0.5%
- Metal-Catalyzed Oxygenation Mechanisms 14
Cellular and Molecular Neuroscience top 0.5%
- Photoreceptor and optogenetics research 19
Molecular Biology top 1%
- Photosynthetic Processes and Mechanisms 59
- Mitochondrial Function and Pathology 13
Atomic and Molecular Physics, and Optics
- Spectroscopy and Quantum Chemical Studies 23
Materials Chemistry
- Enzyme Structure and Function 22
Radiation
- X-ray Spectroscopy and Fluorescence Analysis 13

Co-authors: Athina Zouni Wolfram Saenger Bernhard Loll Jacek Biesiadka Petra Fromme Peter Orth Junko Yano Norbert Krauß
Cited by: Structural Biology Renewable Energy, Sustainability and the Environment Inorganic Chemistry
Journals: Biochimica et Biophysica Acta (BBA) - Bioenergetics (8 papers)Photosynthesis Research (6 papers)Philosophical Transactions of the Royal Society B Biological Sciences (5 papers)
Partner nations: United States Germany Sweden

In The Last Decade

Jan Kern

84 papers receiving 7.9k citations

Hit Papers

5 papers align trajectories log scale

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.

2023 Photosynthesis Research
2009 Nature Structural & Molecular Biology
2006 Science
2005 Nature
2001 Nature

Peers

Countries citing papers authored by Jan Kern

Since Specialization

Citations

This map shows the geographic impact of Jan Kern'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 Jan Kern with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jan Kern more than expected).

Fields of papers citing papers by Jan Kern

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jan Kern. 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 Jan Kern. The network helps show where Jan Kern may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Jan Kern, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Jan Kern Line = papers co-authored together Jan Kern links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Belt-sulfur mobilization as a crucial mechanistic feature shared between the vanadium and molybdenum nitrogenases Chem Catalysis ·Chi Chung Lee,Kuntal Chatterjee,Junko Yano,Jan Kern,Martin T. Stiebritz,Markus W. Ribbe,Yilin Hu	2025	0
2	Combining on-line spectroscopy with synchrotron and X-ray free electron laser crystallography Current Opinion in Structural Biology ·Hiroki Makita,Philipp S. Simon,Jan Kern,Junko Yano,Vittal K. Yachandra	2023	5
3	Solar energy conversion by photosystem II: principles and structuresbreakdown → Photosynthesis Research ·Dmitriy Shevela,Jan Kern,Govindjee Govindjee,Johannes Messinger	2023	103
4	Room temperature X-ray absorption spectroscopy of metalloenzymes with drop-on-demand sample delivery at XFELs Pure and Applied Chemistry ·Isabel Bogacz,Hiroki Makita,Philipp S. Simon,Miao Zhang,Margaret Doyle,Ruchira Chatterjee,Thomas Fransson,Clemens Weninger,Franklin D. Fuller,Leland B. Gee,Takahiro Sato,Matthew Seaberg,Roberto Alonso‐Mori,Uwe Bergmann,Vittal K. Yachandra,Jan Kern,Junko Yano	2023	3
5	Water Networks in Photosystem II Using Crystalline Molecular Dynamics Simulations and Room-Temperature XFEL Serial Crystallography Journal of the American Chemical Society ·Margaret Doyle,Asmit Bhowmick,M. Saratha,Louise Lassalle,Philipp S. Simon,James M. Holton,Nicholas K. Sauter,Vittal K. Yachandra,Jan Kern,Junko Yano,Michael E. Wall	2023	19
6	EWALD: A macromolecular diffractometer for the second target station Review of Scientific Instruments ·(unknown),William B. O’Dell,Martin Egli,Jan Kern,Andrey Kovalevsky,Jiao Lin,Dean A. A. Myles,Mark A. Wilson,Wen Zhang,Petrus H. Zwart,Leighton Coates	2022	3
7	Using X-ray free-electron lasers for spectroscopy of molecular catalysts and metalloenzymes Nature Reviews Physics ·Uwe Bergmann,Jan Kern,R. W. Schoenlein,Philippe Wernet,Vittal K. Yachandra,Junko Yano	2021	57
8	Electronic Structure of the Primary Electron Donor P₇₀₀^+• in Photosystem I Studied by Multifrequency HYSCORE Spectroscopy at X- and Q-Band The Journal of Physical Chemistry B ·А. К. Никифоров,Sergey Milikisiyants,Ruchira Chatterjee,Jan Kern,Alex I. Smirnov	2020	4
9	Observation of Seeded Mn Kβ Stimulated X-Ray Emission Using Two-Color X-Ray Free-Electron Laser Pulses Physical Review Letters ·Thomas Kröll,Clemens Weninger,Franklin D. Fuller,Marc Guetg,Wu M,Yu Zhang,Agostino Marinelli,Roberto Alonso‐Mori,Andrew Aquila,Mengning Liang,Jason E. Koglin,J. D. Koralek,Dimosthenis Sokaras,Diling Zhu,Jan Kern,Junko Yano,Vittal K. Yachandra,Nina Rohringer,Alberto Lutman,Uwe Bergmann	2020	19
10	XANES and EXAFS of dilute solutions of transition metals at XFELs Journal of Synchrotron Radiation ·Ruchira Chatterjee,Clemens Weninger,Yelena Broytman,Sheraz Gul,Franklin D. Fuller,Mun Hon Cheah,Thomas Fransson,Cindy C. Pham,S. Nelson,Sanghoon Song,Alexander Britz,Johannes Messinger,Uwe Bergmann,Roberto Alonso‐Mori,Vittal K. Yachandra,Jan Kern,Junko Yano	2019	14
11	Structural isomers of the S₂ state in photosystem II: do they exist at room temperature and are they important for function? Physiologia Plantarum ·Ruchira Chatterjee,Louise Lassalle,Sheraz Gul,Franklin D. Fuller,I.D. Young,Mohamed Ibrahim,Casper de Lichtenberg,Mun Hon Cheah,Athina Zouni,Johannes Messinger,Vittal K. Yachandra,Jan Kern,Junko Yano	2019	28
12	X-ray Emission Spectroscopy as an in Situ Diagnostic Tool for X-ray Crystallography of Metalloproteins Using an X-ray Free-Electron Laser Biochemistry ·Thomas Fransson,Ruchira Chatterjee,Franklin D. Fuller,Sheraz Gul,Clemens Weninger,Dimosthenis Sokaras,Thomas Kröll,Roberto Alonso‐Mori,Uwe Bergmann,Jan Kern,Vittal K. Yachandra,Junko Yano	2018	29
13	Generation and characterization of ultrathin free-flowing liquid sheets Nature Communications ·J. D. Koralek,Jongjin B. Kim,Petr Brůža,C. B. Curry,Zhijiang Chen,Hans A. Bechtel,Amy A. Cordones,P. Sperling,S. Toleikis,Jan Kern,Stefan Moeller,S. H. Glenzer,Daniel P. DePonte	2018	84
14	Probing the oxidation state of transition metal complexes: a case study on how charge and spin densities determine Mn L-edge X-ray absorption energies Chemical Science ·Markus Kubin,Meiyuan Guo,Thomas Kröll,Mamidi Manish Reddy,Erik Källman,Michael L. Baker,Rolf Mitzner,Sheraz Gul,Jan Kern,Alexander Föhlisch,A. Erko,Uwe Bergmann,Vittal K. Yachandra,Junko Yano,Marcus Lundberg,Philippe Wernet	2018	67
15	High-resolution structure of the photosynthetic Mn₄Ca catalyst from X-ray spectroscopy Philosophical Transactions of the Royal Society B Biological Sciences ·Junko Yano,Jan Kern,Yulia Pushkar,Kenneth Sauer,Pieter Glatzel,Uwe Bergmann,Johannes Messinger,Athina Zouni,Vittal K. Yachandra	2007	34
16	Where Water Is Oxidized to Dioxygen: Structure of the Photosynthetic Mn ₄ Ca Clusterbreakdown → Science ·Junko Yano,Jan Kern,Kenneth Sauer,Matthew J. Latimer,Yulia Pushkar,Jacek Biesiadka,Bernhard Loll,Wolfram Saenger,Johannes Messinger,Athina Zouni,Vittal K. Yachandra	2006	662
17	Structural and functional investigations of Photosystem II from Thermosynechococcus elongatus DepositOnce ·Jan Kern	2005	1
18	Herbicide binding and thermal stability of photosystem II isolated from Thermosynechococcus elongatus Biochimica et Biophysica Acta (BBA) - Bioenergetics ·Kathryn Zimmermann,Martin Heck,Joachim Frank,Jan Kern,Imre Vass,Athina Zouni	2005	38
19	Biochemical characterization and crystal structure of water oxidizing Photosystem II from Synechococcus elongatus Science Access ·Athina Zouni,Jan Kern,Bernhard Loll,Petra Fromme,Horst Tobias Witt,Peter Orth,Norbert Krauß	2001	17
20	Crystal structure of Photosystem II and aspects of its function Science Access ·Горохов Владимир Иванович,Athina Zouni,Jan Kern,Petra Fromme,Norbert Krauß,Wolfram Saenger,Peter Orth	2001	2

About Jan Kern

Jan Kern is a scholar working on Structural Biology, Radiation and Inorganic Chemistry, having authored 87 papers that have together received 8.0k indexed citations. Recurring topics across this work include Photosynthetic Processes and Mechanisms (59 papers), Spectroscopy and Quantum Chemical Studies (23 papers), Enzyme Structure and Function (22 papers), Photoreceptor and optogenetics research (19 papers), Metal-Catalyzed Oxygenation Mechanisms (14 papers), Mitochondrial Function and Pathology (13 papers), X-ray Spectroscopy and Fluorescence Analysis (13 papers) and Advanced Electron Microscopy Techniques and Applications (13 papers). The work is most often cited by research in Structural Biology (196 citations), Renewable Energy, Sustainability and the Environment (2.1k citations) and Inorganic Chemistry (1.8k citations). Jan Kern has collaborated with scholars based in United States, Germany and Sweden. Frequent co-authors include Athina Zouni, Wolfram Saenger, Bernhard Loll, Jacek Biesiadka, Petra Fromme, Peter Orth, Junko Yano, Norbert Krauß, H. T. Witt and Matthias Broser. Their work appears in journals such as Biochimica et Biophysica Acta (BBA) - Bioenergetics, Photosynthesis Research, Philosophical Transactions of the Royal Society B Biological Sciences, Journal of Biological Chemistry and Inorganic Chemistry.

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.

Explore authors with similar magnitude of impact