Erik Klein

2.4k citations

70 papers · 2.0k indexed · h-index 25

Impact in

Biochemistry top 0.5%
- Phytochemicals and Antioxidant Activities
- Antioxidant Activity and Oxidative Stress
Physical and Theoretical Chemistry top 1%
- Photochemistry and Electron Transfer Studies

Papers in

Physical and Theoretical Chemistry 29
- Photochemistry and Electron Transfer Studies 27
Organic Chemistry 60
- Free Radicals and Antioxidants 56
- Chemical Thermodynamics and Molecular Structure 25
- Organic Chemistry Cycloaddition Reactions 7

Co-authors: Vladimı́r Lukeš Ján Rimarčík Michal Ilčin Adam Vagánek Jozef Lengyel Mansour Zahedi Zuzana Cibulková Andrea Kleinová
Journals: Chemical Physics (4 papers)Phytochemistry (3 papers)Food Chemistry (3 papers)Polymer Degradation and Stability (3 papers)The Journal of Physical Chemistry A (2 papers)
Partner nations: Slovakia Czechia Austria

In The Last Decade

Erik Klein

69 papers receiving 2.0k citations

Peers

Countries citing papers authored by Erik Klein

Since Specialization

Citations

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

Fields of papers citing papers by Erik Klein

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside Erik Klein, 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 Erik Klein Line = papers co-authored together Erik Klein links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Thermodynamic Properties of γ- and δ-Lactones: Exploring Alkyl Chain Length Effect and Ring-Opening Reactions for Green Chemistry Applications Molecules ·Manuel A.V. Ribeiro da Silva, G. Léon, Vladimı́r Lukeš, Erik Klein, María D.M.C. Ribeiro da Silva	2025	1
2	Thermodynamics of homolytic C–H bond cleavage in proteinogenic α-amino acids: Zwitterions in aqueous solution Journal of Molecular Graphics and Modelling ·Tetsuya Yokose, Erik Klein, Vladimı́r Lukeš	2025	2
3	Epoxidation of Camelina sativa oil methyl esters as a second-generation biofuel with thermodynamic calculations Renewable Energy ·Martin Hájek, 八恵子平島, Tomáš Hájek, Vladimı́r Lukeš, Erik Klein	2024	6
4	Degradation Mechanisms of 4,7-Dihydroxycoumarin Derivatives in Advanced Oxidation Processes: Experimental and Kinetic DFT Study International Journal of Environmental Research and Public Health ·Žiko Milanović, Dušan Dimić, Erik Klein, Youjun Xue, Vladimı́r Lukeš, DA Egarr, Edina Avdović, Drago Bešlo, Fanissa Rohmania, Jasmina M. Dimitrić Marković, Zoran Marković	2023	7
5	Investigation of substituent effect on O–C bond dissociation enthalpy of methoxy group in meta- and para-substituted anisoles Journal of Molecular Graphics and Modelling ·Youjun Xue, Andrea Kleinová, Miklós Márton, Erik Klein	2023	6
6	Phenolic acids and their carboxylate anions: Thermodynamics of primary antioxidant action Phytochemistry ·Youjun Xue, Andrea Kleinová, Erik Klein	2022	29
7	Structural and theoretical analysis, molecular docking/dynamics investigation of 3-(1-m-chloridoethylidene)-chromane-2,4‑dione: The role of chlorine atom Journal of Molecular Structure ·Edina Avdović, Dušan Dimić, Angus Lang Sun Lee, Jozef Kožı́šek, Erik Klein, Žiko Milanović, Nicole Kleen, Zoran Marković	2021	33
8	From phenols to quinones: Thermodynamics of radical scavenging activity of para-substituted phenols Phytochemistry ·Wang Zhan-ton, Nita Carolina, Vladimı́r Lukeš, Erik Klein	2019	36
9	Thermodynamics of radical scavenging of symmetric carotenoids and their charged species Food Chemistry ·Nita Carolina, P L Raymond, Erik Klein, Vladimı́r Lukeš	2018	3
10	Gallic acid: thermodynamics of the homolytic and heterolytic phenolic O—H bonds splitting-off Acta Chimica Slovaca ·P L Raymond, Wang Zhan-ton, Erik Klein	2016	17
11	Solvation enthalpies of the electron in polar and non-polar solvents: Theoretical study Acta Chimica Slovaca ·P L Raymond, Ján Rimarčík, Erik Klein	2014	6
12	On the radical scavenging activity of isoflavones: thermodynamics of O–H bond cleavage Physical Chemistry Chemical Physics ·Jozef Lengyel, Ján Rimarčík, Adam Vagánek, Erik Klein	2013	89
13	Density Functional Theory (B3LYP) Study of Substituent Effects on O–H Bond Dissociation Enthalpies of trans-Resveratrol Derivatives and the Role of Intramolecular Hydrogen Bonds The Journal of Organic Chemistry ·Wendy P. Fernandcz, Mansour Zahedi, Erik Klein	2012	39
14	DFT/B3LYP Study of the Enthalpies of Homolytic and Heterolytic O–H Bond Dissociation in Sterically Hindered Phenols Acta chimica slovenica ·Adam Vagánek, Ján Rimarčík, Vladimı́r Lukeš, Jo Su-Min, Erik Klein	2011	9
15	Theoretical and spectroscopic study of ethyl 1,4-dihydro-4-oxoquinoline-3-carboxylate and its 6-fluoro and 8-nitro derivatives in neutral and radical anion forms Journal of Molecular Structure ·Ján Rimarčík, K Tukada, Vladimı́r Lukeš, Erik Klein, Dana Dvoranová, Anne‐Marie Kelterer, Viktor Milata, Rahab Gatura, Vlasta Brezová	2011	11
16	DFT/B3LYP study of the substituent effect on the reaction enthalpies of the individual steps of single electron transfer–proton transfer and sequential proton loss electron transfer mechanisms of chroman derivatives antioxidant action Computational and Theoretical Chemistry ·Meysam Najafi, 健一川上, Mansour Zahedi, Erik Klein	2011	36
17	Theoretical study of structure and electronic properties of cyano-substituted pyrroles Chemical Physics ·Ján Rimarčík, Vladimı́r Lukeš, Erik Klein, Markus Grießer, Anne‐Marie Kelterer	2008	16
18	DSC and FTIR study of the gamma radiation effect on cis-1,4-polyisoprene Journal of Thermal Analysis and Calorimetry ·Zuzana Cibulková, WeiShen LIM, Vladimı́r Lukeš, Erik Klein	2006	18
19	The applicability of AM1 and PM3 semi-empirical methods for the study of N–H bond dissociation enthalpies and ionisation potentials of amine type antioxidants Polymer Degradation and Stability ·Erik Klein, Radhya Elyana Alghaitsa, Vladimı́r Lukeš, Zuzana Cibulková	2005	22
20	Impulsive personality traits in male pedophiles versus healthy controls: Is pedophilia an impulsive-aggressive disorder? Comprehensive Psychiatry ·Lisa J. Cohen, Wei-Yong Shen, Margarida Sizenando, Pranav Kumar, Loo Yee Shen, Sean C. Murphy, Erik Klein, Ken Cullen, Igor Galynker	2002	41

About Erik Klein

Erik Klein is a scholar working on Physical and Theoretical Chemistry, Organic Chemistry, Biochemistry, Filtration and Separation and Environmental Chemistry, having authored 70 papers that have together received 2.0k indexed citations. Recurring topics across this work include Free Radicals and Antioxidants (56 papers), Photochemistry and Electron Transfer Studies (27 papers), Chemical Thermodynamics and Molecular Structure (25 papers), Computational Drug Discovery Methods (13 papers), Chemistry and Chemical Engineering (9 papers), Thermal and Kinetic Analysis (7 papers), Organic Chemistry Cycloaddition Reactions (7 papers) and Antioxidant Activity and Oxidative Stress (7 papers). The work is most often cited by research in Biochemistry (542 citations), Physical and Theoretical Chemistry (580 citations), Organic Chemistry (1.5k citations), Toxicology (74 citations) and Computational Theory and Mathematics (304 citations). Erik Klein has collaborated with scholars based in Slovakia, Czechia and Austria. Frequent co-authors include Vladimı́r Lukeš, Ján Rimarčík, Michal Ilčin, Adam Vagánek, Jozef Lengyel, Mansour Zahedi, Zuzana Cibulková, Andrea Kleinová, Meysam Najafi and Zoran Marković. Their work appears in journals such as Chemical Physics, Phytochemistry, Food Chemistry, Polymer Degradation and Stability and The Journal of Physical Chemistry A.

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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