Hans Geiger

3.6k total citations · 1 hit paper
120 papers, 2.7k citations indexed

About

Hans Geiger is a scholar working on Molecular Biology, Plant Science and Organic Chemistry. According to data from OpenAlex, Hans Geiger has authored 120 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 60 papers in Molecular Biology, 44 papers in Plant Science and 30 papers in Organic Chemistry. Recurrent topics in Hans Geiger's work include Natural product bioactivities and synthesis (32 papers), Phytochemistry and Biological Activities (31 papers) and Biological Activity of Diterpenoids and Biflavonoids (28 papers). Hans Geiger is often cited by papers focused on Natural product bioactivities and synthesis (32 papers), Phytochemistry and Biological Activities (31 papers) and Biological Activity of Diterpenoids and Biflavonoids (28 papers). Hans Geiger collaborates with scholars based in Germany, Belgium and Austria. Hans Geiger's co-authors include K. R. Markham, Tom J. Mabry, B. Ternai, Roger Stanley, Kenneth R. Markham, Karel Vande Casteele, Siegfried Beckmann, Christiaan F. Van Sumere, Markus Veit and Hans Dietmar Zinsmeister and has published in prestigious journals such as Analytical Biochemistry, Brain Research and Journal of Chromatography A.

In The Last Decade

Hans Geiger

119 papers receiving 2.5k 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.

Carbon-13 NMR studies of flavonoids—III

1978 828 citations Hans Geiger et al. profile →

Peers

Countries citing papers authored by Hans Geiger

Since Specialization

Citations

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

Fields of papers citing papers by Hans Geiger

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hans Geiger

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

All Works

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

20 of 20 papers shown

#	Work	Indexed citations
1	Biflavonoids and triflavonoids 2017 ·ChemInform ·Hans Geiger	2
2	Effect of recombination in the parent populations on the means and combining ability variances in hybrid populations of maize (Zea mays L.) 2003 ·Theoretical and Applied Genetics ·Albrecht E. Melchinger, Hans Geiger, H. Friedrich Utz, F. W. Schnell	11
3	QTL mapping of stay-green in two sorghum recombinant inbred populations 2002 ·Theoretical and Applied Genetics ·Bettina I. G. Haussmann, V. Mahalakshmi, B. V. Subba Reddy, N. Seetharama, C. Tom Hash, Hans Geiger	151
4	The flavonoids of Tanacetum parthenium and T. vulgare and their anti-inflammatory properties 1999 ·Phytochemistry ·Christine A. Williams, Jeffrey B. Harborne, Hans Geiger, J.R.S. Hoult	6
5	The occurrence of flavonoids in arthrodontous mosses--an account of the present knowledge 1997 ·Journal of The Hattori Botanical Laboratory ·Hans Geiger, (unknown), Hans Dietmar Zinsmeister	11
6	Schweizerisches Bankwesen im Umbruch 1996 ·Hans Geiger	1
7	The ¹ H-NMR Spectra of the Biflavones Isocryptomerin and Cryptomerin B - a Critical Comment on Two Recent Publications on the Biflavone Patterns of Selaginella selaginoides and S. denticulata 1996 ·Zeitschrift für Naturforschung C ·Hans Geiger, Kenneth R. Markham	4
8	Isomeric triluteolins from Bartramia stricta and Bartramia pomiformis 1995 ·Phytochemistry ·(unknown), (unknown), Hans Geiger, Hans Dietmar Zinsmeister, Gerhard Schilling, (unknown)	6
9	Flavonoids ofEquisetum sylvaticum, Equisetum pratense, andEquisetum x bowmanii 1993 ·Planta Medica ·(unknown), Markus Veit, Hans Geiger, Franz–Christian Czygan	3
10	Kaempferol-3-O-glucosyl(1–2)rhamsoside from Ginkgo biloba and a reappraisal of other gluco(1–2,1–3 and 1–4)rhamnoside structures 1992 ·Phytochemistry ·Kenneth R. Markham, Hans Geiger, (unknown)	28
11	Crystal structure of protogenkwanin, C16H14O6 1991 ·Journal of Chemical Crystallography ·Rolf Stomberg, Knut Lundquist, (unknown), Hans Geiger	1
12	Flavonoids inEquisetum x litorale 1990 ·Planta Medica ·Markus Veit, Franz–Christian Czygan, Hans Geiger, (unknown)	4
13	A New Biflavone and Further Flavonoids from the Moss Hylocomium splendens 1986 ·Zeitschrift für Naturforschung C ·(unknown), Rüdiger Mues, Hans Dietmar Zinsmeister, (unknown), Hans Geiger	11
14	identification of phenolic compounds by colour reactions 1985 ·Hans Geiger	2
15	Separation of flavonoids by reversed-phase high-performance liquid chromatography 1982 ·Journal of Chromatography A ·Karel Vande Casteele, Hans Geiger, Christiaan F. Van Sumere	109
16	Separation of some metabolically important aromatic nacylamino acids of the benzoyl and cinnamoyl series by thin-layer, gas—liquid and high-performance liquid chromatography 1982 ·Journal of Chromatography A ·Christiaan F. Van Sumere, Karel Vande Casteele, (unknown), M. Martens, Hans Geiger, Luc Van Rompaey	8
17	[Oral hyposensitization in pollen allergies in childhood]. 1976 ·PubMed ·U. Wahn, (unknown), Hans Geiger	8
18	Sulfonylhydrazone cyclischer Amide und quartäre Azosulfone von Heterocyclen als Reagentien der Azochemie 1968 ·Angewandte Chemie ·Siegfried Hünig, (unknown), Hans Geiger, Gerd Kaupp, (unknown), (unknown), Helmut Quast, (unknown), (unknown)	10
19	Pinoresinolid und andere Zwischenprodukte der Ligninbildung 1963 ·Chemische Berichte ·Karl Freudenberg, Hans Geiger	21
20	Über innermolekulare Umlagerungen in der Bicyclo‐[1.2.2]‐heptan‐Reihe, IX: Zur Kenntnis der bei der Hydratisierung von Bicyclo‐[1.2.2]‐hepten‐carbonsäuren entstehenden Lactone 1961 ·Chemische Berichte ·Siegfried Beckmann, Hans Geiger	33

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