Stefan Portmann

1.5k total citations · 1 hit paper
12 papers, 1.4k citations indexed

About

Stefan Portmann is a scholar working on Molecular Biology, Organic Chemistry and Computer Networks and Communications. According to data from OpenAlex, Stefan Portmann has authored 12 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Molecular Biology, 3 papers in Organic Chemistry and 1 paper in Computer Networks and Communications. Recurrent topics in Stefan Portmann's work include DNA and Nucleic Acid Chemistry (5 papers), RNA and protein synthesis mechanisms (4 papers) and RNA modifications and cancer (3 papers). Stefan Portmann is often cited by papers focused on DNA and Nucleic Acid Chemistry (5 papers), RNA and protein synthesis mechanisms (4 papers) and RNA modifications and cancer (3 papers). Stefan Portmann collaborates with scholars based in Switzerland and United States. Stefan Portmann's co-authors include Hans Peter Lüthi, Martin Egli, Nassim Usman, Samuel Leutwyler, Andreas Inauen, Christopher T. Workman, Susan Grimm, Karl‐Heinz Altmann, Andrew L. Roughton and Steven A. Benner and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and Biochemistry.

In The Last Decade

Stefan Portmann

11 papers receiving 1.3k 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.

MOLEKEL: An Interactive Molecular Graphics Tool

2000 810 citations Stefan Portmann, Hans Peter Lüthi CHIMIA International Journal for Chemistry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Stefan Portmann Switzerland	11	525	425	261	245	213	12	1.4k
Jacqueline Bergès France	21	363 0.7×	416 1.0×	155 0.6×	122 0.5×	262 1.2×	54	1.1k
Ronald Mason United Kingdom	19	396 0.8×	436 1.0×	322 1.2×	275 1.1×	290 1.4×	61	1.3k
W. Daniel Edwards United States	20	303 0.6×	461 1.1×	531 2.0×	177 0.7×	422 2.0×	52	1.6k
Lisa Emily Chirlian United States	9	518 1.0×	390 0.9×	310 1.2×	134 0.5×	501 2.4×	10	1.5k
Prem K. Mehrotra United States	14	267 0.5×	311 0.7×	297 1.1×	222 0.9×	394 1.8×	29	1.1k
J. R. Ruble United States	19	568 1.1×	410 1.0×	474 1.8×	224 0.9×	204 1.0×	57	1.5k
Józef S. Kwiatkowski United States	22	523 1.0×	573 1.3×	212 0.8×	129 0.5×	579 2.7×	50	1.5k
Julianto Pranata United States	18	593 1.1×	695 1.6×	287 1.1×	162 0.7×	399 1.9×	41	1.6k
Markéta Munzarová Czechia	17	257 0.5×	259 0.6×	296 1.1×	302 1.2×	361 1.7×	29	1.2k
D. Mastropaolo Canada	19	367 0.7×	406 1.0×	223 0.9×	284 1.2×	93 0.4×	49	1.2k

Countries citing papers authored by Stefan Portmann

Since Specialization

Citations

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

Fields of papers citing papers by Stefan Portmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Stefan Portmann

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

All Works

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12 of 12 papers shown

1.

Führer, Urs, et al.. (2012). Infektiöse Endokarditis – Update. Teil 2. Swiss Medical Forum ‒ Schweizerisches Medizin-Forum. 12(33).

2.

Portmann, Stefan, Andreas Inauen, Hans Peter Lüthi, & Samuel Leutwyler. (2000). Chiral discrimination in hydrogen-bonded complexes. The Journal of Chemical Physics. 113(21). 9577–9585. 59 indexed citations

3.

Portmann, Stefan & Hans Peter Lüthi. (2000). MOLEKEL: An Interactive Molecular Graphics Tool. CHIMIA International Journal for Chemistry. 54(12). 766–766. 810 indexed citations breakdown →

4.

Portmann, Stefan, John Morrison Galbraith, Henry F. Schaefer, Gustavo E. Scuseria, & Hans Peter Lüthi. (1999). Some new structures of C28. Chemical Physics Letters. 301(1-2). 98–104. 24 indexed citations

5.

Tereshko, Valentina, Stefan Portmann, Pierre Martin, et al.. (1998). Correlating Structure and Stability of DNA Duplexes with Incorporated 2‘-O-Modified RNA Analogues^,. Biochemistry. 37(30). 10626–10634. 48 indexed citations

6.

Portmann, Stefan, et al.. (1997). Crystal Structures of Oligodeoxyribonucleotides Containing 6‘-α-Methyl and 6‘-α-Hydroxy Carbocyclic Thymidines. Journal of the American Chemical Society. 119(10). 2396–2403. 19 indexed citations

7.

Egli, Martin, Stefan Portmann, & Nassim Usman. (1996). RNA Hydration: A Detailed Look^,. Biochemistry. 35(26). 8489–8494. 196 indexed citations

8.

Portmann, Stefan, Susan Grimm, Christopher T. Workman, Nassim Usman, & Martin Egli. (1996). Crystal structures of an A-form duplex with single-adenosine bulges and a conformational basis for site-specific RNA self-cleavage. Chemistry & Biology. 3(3). 173–184. 66 indexed citations

9.

Matulić‐Adamić, Jasenka, Leonid Beigelman, Stefan Portmann, Martin Egli, & Nassim Usman. (1996). Synthesis and Structure of 1-Deoxy-1-phenyl-β-d-ribofuranose and Its Incorporation into Oligonucleotides. The Journal of Organic Chemistry. 61(11). 3909–3911. 40 indexed citations

10.

Portmann, Stefan, Nassim Usman, & Martin Egli. (1995). The Crystal Structure of r(CCCCGGGG) in Two Distinct Lattices. Biochemistry. 34(23). 7569–7575. 50 indexed citations

11.

Roughton, Andrew L., Stefan Portmann, Steven A. Benner, & Martin Egli. (1995). Crystal Structure of a Dimethylene Sulfone-Linked Ribodinucleotide Analog. Journal of the American Chemical Society. 117(27). 7249–7250. 43 indexed citations

12.

Seebàch, Dieter, Völker Gramlich, Tobias Bremi, et al.. (1992). Diastereoselective Michael Additions of Chiral Imidazolidines to Trityl Enones. Liebigs Annalen der Chemie. 1992(11). 1145–1151. 11 indexed citations

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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