K.‐A. Kovar

1.4k total citations
44 papers, 1.0k citations indexed

About

K.‐A. Kovar is a scholar working on Molecular Biology, Organic Chemistry and Cellular and Molecular Neuroscience. According to data from OpenAlex, K.‐A. Kovar has authored 44 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Molecular Biology, 9 papers in Organic Chemistry and 9 papers in Cellular and Molecular Neuroscience. Recurrent topics in K.‐A. Kovar's work include Psychedelics and Drug Studies (9 papers), Neurotransmitter Receptor Influence on Behavior (9 papers) and Analytical Chemistry and Chromatography (7 papers). K.‐A. Kovar is often cited by papers focused on Psychedelics and Drug Studies (9 papers), Neurotransmitter Receptor Influence on Behavior (9 papers) and Analytical Chemistry and Chromatography (7 papers). K.‐A. Kovar collaborates with scholars based in Germany, United States and Switzerland. K.‐A. Kovar's co-authors include Euphrosyne Gouzoulis‐Mayfrank, Karsten Heekeren, B. Thelen, H. P. T. Ammon, Anna Neukirch, Leo Hermle, Manfred Spitzer, G. Roos, Elmar Habermeyer and H.J. Kunert and has published in prestigious journals such as Annals of the New York Academy of Sciences, Psychopharmacology and Analytical and Bioanalytical Chemistry.

In The Last Decade

K.‐A. Kovar

40 papers receiving 985 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
K.‐A. Kovar Germany 16 356 337 210 169 152 44 1.0k
Karl‐Artur Kovar Germany 21 482 1.4× 461 1.4× 239 1.1× 46 0.3× 166 1.1× 76 1.4k
Yukiko Makino Japan 18 62 0.2× 401 1.2× 255 1.2× 62 0.4× 124 0.8× 40 1.0k
Nieves Pizarro Spain 21 462 1.3× 340 1.0× 155 0.7× 59 0.3× 51 0.3× 37 1.2k
Daniel J. Siebert United States 10 176 0.5× 927 2.8× 826 3.9× 100 0.6× 197 1.3× 11 1.4k
A. Hofmann Japan 23 637 1.8× 268 0.8× 423 2.0× 195 1.2× 987 6.5× 74 1.9k
Carlton E. Turner United States 23 204 0.6× 271 0.8× 316 1.5× 714 4.2× 148 1.0× 80 1.9k
J.‐E. Lindgren Sweden 15 181 0.5× 387 1.1× 126 0.6× 108 0.6× 46 0.3× 27 1.3k
Esa Meririnne Finland 14 123 0.3× 392 1.2× 314 1.5× 86 0.5× 29 0.2× 23 1.2k
Yumi Sugimoto Japan 21 93 0.3× 641 1.9× 489 2.3× 80 0.5× 60 0.4× 98 1.5k
Abir T. El‐Alfy United States 19 73 0.2× 159 0.5× 297 1.4× 335 2.0× 112 0.7× 40 1.4k

Countries citing papers authored by K.‐A. Kovar

Since Specialization
Citations

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

Fields of papers citing papers by K.‐A. Kovar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by K.‐A. Kovar. 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 K.‐A. Kovar. The network helps show where K.‐A. Kovar may publish in the future.

Co-authorship network of co-authors of K.‐A. Kovar

This figure shows the co-authorship network connecting the top 25 collaborators of K.‐A. Kovar. A scholar is included among the top collaborators of K.‐A. Kovar 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 K.‐A. Kovar. K.‐A. Kovar is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hermle, Leopold, K.‐A. Kovar, Walter Hewer, & Martin Ruchsow. (2008). Halluzinogen-induzierte psychische Störungen. Fortschritte der Neurologie · Psychiatrie. 76(6). 334–342. 14 indexed citations
2.
Kovar, K.‐A., et al.. (2008). Amphetamin-induzierte psychische Störungen und somatische Komplikationen. Nervenheilkunde. 27(8). 759–766.
3.
Heekeren, Karsten, Anna Neukirch, Jörg Daumann, et al.. (2007). Prepulse inhibition of the startle reflex and its attentional modulation in the human S-ketamine and N,N-dimethyltryptamine (DMT) models of psychosis. Journal of Psychopharmacology. 21(3). 312–320. 38 indexed citations
4.
Gouzoulis‐Mayfrank, Euphrosyne, et al.. (2005). Psychological Effects of (S)-Ketamine and N,N-Dimethyltryptamine (DMT): A Double-Blind, Cross-Over Study in Healthy Volunteers. Pharmacopsychiatry. 38(6). 301–311. 152 indexed citations
5.
Gaub, Marie‐Pierre, et al.. (2004). Analysis of plant extracts by NIRS: simultaneous determination of kavapyrones and water in dry extracts of Piper methysticum Forst.. Journal of Pharmaceutical and Biomedical Analysis. 36(4). 859–864. 17 indexed citations
6.
Roos, G., et al.. (2004). Thin-Layer Chromatography and Multivariate Data Analysis of Willow Bark Extracts. Journal of Chromatographic Science. 42(6). 306–309. 8 indexed citations
7.
Mayerhofer, Artur, et al.. (2003). Is the Ecstasy-induced ipsilateral rotation in 6-hydroxydopamine unilaterally lesioned rats dopamine independent?. Journal of Neural Transmission. 110(7). 707–718. 18 indexed citations
8.
Roos, G., et al.. (2002). Rapid quantification of constituents in St. John's wort extracts by NIR spectroscopy. Journal of Pharmaceutical and Biomedical Analysis. 28(3-4). 439–446. 30 indexed citations
9.
Gouzoulis‐Mayfrank, Euphrosyne, B. Thelen, Stefanie Maier, et al.. (2002). Effects of the Hallucinogen Psilocybin on Covert Orienting of Visual Attention in Humans. Neuropsychobiology. 45(4). 205–212. 38 indexed citations
10.
Spina, Mariarosa, et al.. (2000). Microtubule‐associated Protein 2 (MAP2) and c‐fos Expression in the Rat Prefrontal Cortex following Subchronic Treatment with Substituted Amphetamines. Annals of the New York Academy of Sciences. 914(1). 65–70. 8 indexed citations
11.
Gouzoulis‐Mayfrank, Euphrosyne, B. Thelen, Elmar Habermeyer, et al.. (1999). Psychopathological, neuroendocrine and autonomic effects of 3,4-methylenedioxyethylamphetamine (MDE), psilocybin and d -methamphetamine in healthy volunteers. Psychopharmacology. 142(1). 41–50. 105 indexed citations
12.
Seyfried, Jan, Frank Soldner, Jörg B. Schulz, et al.. (1999). Differential effects of l-buthionine sulfoximine and ethacrynic acid on glutathione levels and mitochondrial function in PC12 cells. Neuroscience Letters. 264(1-3). 1–4. 63 indexed citations
13.
Gouzoulis‐Mayfrank, Euphrosyne, et al.. (1998). Effects of the hallucinogen psilocybin on habituation and prepulse inhibition of the startle reflex in humans. Behavioural Pharmacology. 9(7). 561–566. 71 indexed citations
14.
Kovar, K.‐A., et al.. (1992). Analysis and Stability of Hyperici Oleum. Planta Medica. 58(4). 351–354. 78 indexed citations
15.
Kovar, K.‐A., et al.. (1992). Adhyperforin: A Homologue of Hyperforin fromHypericum perforatum. Planta Medica. 58(3). 291–293. 45 indexed citations
16.
Kovar, K.‐A., et al.. (1991). RAPID TESTING METHOD AND MECHANISM OF THE REACTION WITH 4-DIMETHYLAMINO-CINNAMALDEHYDE (DMAC). III, COLOURED SALTS OF BENZODIAZEPINES. Pharmaceutica Acta Helvetiae. 66. 268–273. 2 indexed citations
17.
Kovar, K.‐A., et al.. (1990). Possibilities and limits of an on-line coupling of thin-layer chromatography and FTIR-spectroscopy. Analytical and Bioanalytical Chemistry. 338(6). 710–716. 23 indexed citations
18.
Kovar, K.‐A., et al.. (1975). σ‐Komplexe von Trinitrobenzoesäurederivaten. Archiv der Pharmazie. 308(4). 311–312. 2 indexed citations
19.
Kovar, K.‐A., et al.. (1974). Die hydrolytische Spaltung einiger Sulfonamid‐Diuretika. Archiv der Pharmazie. 307(9). 657–662. 12 indexed citations
20.

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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2026