Ragnar Ryhage

7.4k total citations · 2 hit papers
183 papers, 5.3k citations indexed

About

Ragnar Ryhage is a scholar working on Organic Chemistry, Molecular Biology and Spectroscopy. According to data from OpenAlex, Ragnar Ryhage has authored 183 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 57 papers in Organic Chemistry, 51 papers in Molecular Biology and 46 papers in Spectroscopy. Recurrent topics in Ragnar Ryhage's work include Analytical Chemistry and Chromatography (34 papers), Mass Spectrometry Techniques and Applications (15 papers) and Chemical Synthesis and Analysis (8 papers). Ragnar Ryhage is often cited by papers focused on Analytical Chemistry and Chromatography (34 papers), Mass Spectrometry Techniques and Applications (15 papers) and Chemical Synthesis and Analysis (8 papers). Ragnar Ryhage collaborates with scholars based in Sweden, United States and United Kingdom. Ragnar Ryhage's co-authors include Einar Stenhagen, Jan Sjövall, P. Eneroth, Bengt Samuelsson, Kjell Hellström, Roland Isaksson, Sune Bergström, Bo Holmstedt, Carl‐Gustaf Hammar and F. Haglid and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Journal of Biological Chemistry.

In The Last Decade

Ragnar Ryhage

180 papers receiving 4.5k citations

Hit Papers

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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.

Prostaglandins and Related Factors

1963 216 citations Ragnar Ryhage et al. profile →
The Structure of Prostaglandin E, F1 and F2.

1962 143 citations Ragnar Ryhage et al. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry profile →

Peers

Countries citing papers authored by Ragnar Ryhage

Since Specialization

Citations

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

Fields of papers citing papers by Ragnar Ryhage

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ragnar Ryhage

This figure shows the co-authorship network connecting the top 25 collaborators of Ragnar Ryhage. A scholar is included among the top collaborators of Ragnar Ryhage 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 Ragnar Ryhage. Ragnar Ryhage 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 Mass Spectrometry Laboratory at the Karolinska Institute 1944–1987 1993 ·Mass Spectrometry Reviews ·Ragnar Ryhage	11
2	Cellular metabolism of arsenocholine 1988 ·Journal of Applied Toxicology ·Alexandros Christakopoulos, Harald Norin, Margareta Sandström, Hjördis Thor, Peter Moldéus, Ragnar Ryhage	17
3	Cation Binding to Parvalbumin Studied by 113Cd and 23Na NMR. Peak Assignment of Rabbit (pI 5.5) Parvalbumin. 1986 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·(unknown), Torbjörn Drakenberg, S. Brøgger Christensen, Stefan Oscarson, Curt R. Enzell, Ragnar Ryhage, Roland Isaksson	3
4	Potentially Aromatic Thiophenium Ylides. 4. Formation and Cyclization of Methyl- and Methoxycarbonyl Substituted 2-(2'-Thienyl)benzoylcarbenes. 1986 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·(unknown), (unknown), Johannes Dale, (unknown), Povl Krogsgaard‐Larsen, Ragnar Ryhage, Roland Isaksson	3
5	Efficient Synthesis of Mutagenic Imidazo[4,5-f]quinoxalin-2-amines via Readily Accessible 2,1,3-Benzoselenadiazoles. 1986 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·Spiros Grivas, (unknown), Anna Malm, Jan Olof Noren, Nils Gunnar Johansson, Ragnar Ryhage, Roland Isaksson	9
6	Mass spectra of tobacco isoprenoids 1984 ·Mass Spectrometry Reviews ·Curt R. Enzell, Inger Wahlberg, Ragnar Ryhage	9
7	Minor constituents of human milk II. Identification of dodecadienoic‐, tetradecadienoic‐ and hexadecadienoic acid in human milk fat 1970 ·FEBS Letters ·Heinz Egge, (unknown), Ragnar Ryhage, P. György, F. Zilliken	4
8	Data acquisition and evaluating systems for a low resolution mass spectrometer 1969 ·Journal of Physics E Scientific Instruments ·(unknown), (unknown), (unknown), Ragnar Ryhage, S. A. Wikström	36
9	Pimaricin. IV. Investigations on the Pattern of Unsaturation and Oxygenation and the Empirical Formula. 1964 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·Olof Ceder, Jacques M. Waisvisz, Marcel G. van der Hoeven, Ragnar Ryhage, Roger Stevens	4
10	Identification and quantification of neutral fecal steroids by gas–liquid chromatography and mass spectrometry: studies of human excretion during two dietary regimens 1964 ·Journal of Lipid Research ·P. Eneroth, Kjell Hellström, Ragnar Ryhage	232
11	Hexokinase Activity of Various Mucosal Segments of the Gastrointestinal Tract in the Rat. 1964 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·Otto Hänninen, K. Hartiala, (unknown), Ragnar Ryhage, Roger Stevens	4
12	Separation of Proteins by Thin-Layer Gel Filtration. 1964 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·Bengt Johansson, Lars Rymo, Marcel G. van der Hoeven, Ragnar Ryhage, Roger Stevens	52
13	Die Umsetzung von Hydroxypyridinen mit Schwefeldichlorid. 1964 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·Alexander Senning, (unknown), Marcel G. van der Hoeven, Ragnar Ryhage, Roger Stevens	3
14	Absence of Bile Salts in the Gastric Juice of a Crab 1964 ·Nature ·(unknown), Henry Danielsson, Ragnar Ryhage	16
15	A mass spectrometric demonstration of hydrogen-deuterium exchange and hydrogen redistribution during catalytic deuteration of some methyl octadecenoates. 1960 ·Hokkaido University Collection of Scholarly and Academic Papers (Hokkaido University) ·(unknown), Ragnar Ryhage	4
16	On Light-Induced Phosphorylation in Rhodospirillum rubrum. 1958 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·Herrick Baltscheffsky, Margareta Baltscheffsky, Ragnar Ryhage, Bengt‐Olov Marinder, S. Veige, E. Diczfalusy	25
17	Mass Spectrometric Studies on Esters of Rosin Acids. 1958 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·(unknown), Ragnar Ryhage, Einar Stenhagen, K. Hartiala, S. Veige, E. Diczfalusy	2
18	Mass Spectrometric Studies of Long Chain Methyl Esters. A Determination of the Molecular Weight and Structure of Mycocerosic acid. 1957 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·J. Asselineau, Ragnar Ryhage, Einar Stenhagen, J. Schliack, L. Reio	30
19	Electroorganic Preparations. 1. Reduction of Steroid Ketones. 1957 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·Henning Lund, Einar Stenhagen, Ragnar Ryhage	16
20	Information about the Structure of Phthiocerol from Mass Spectral and X-Ray Crystallographic Data. 1956 ·Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry ·Ragnar Ryhage, Einar Stenhagen, Erik von Sydow, B. Thorell	3

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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