Richard W. Thoma

507 total citations
10 papers, 359 citations indexed

About

Richard W. Thoma is a scholar working on Molecular Biology, Pharmacology and Organic Chemistry. According to data from OpenAlex, Richard W. Thoma has authored 10 papers receiving a total of 359 indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Molecular Biology, 3 papers in Pharmacology and 1 paper in Organic Chemistry. Recurrent topics in Richard W. Thoma's work include Steroid Chemistry and Biochemistry (7 papers), Pharmacogenetics and Drug Metabolism (3 papers) and Innovative Microfluidic and Catalytic Techniques Innovation (1 paper). Richard W. Thoma is often cited by papers focused on Steroid Chemistry and Biochemistry (7 papers), Pharmacogenetics and Drug Metabolism (3 papers) and Innovative Microfluidic and Catalytic Techniques Innovation (1 paper). Richard W. Thoma collaborates with scholars based in Malaysia and United States. Richard W. Thoma's co-authors include Josef Fried, W. H. Peterson, D. Perlman, W. E. Brown, DongHun Ryu, Josef E. Herz and Herbert I. Jacobson and has published in prestigious journals such as Journal of the American Chemical Society, Journal of Biological Chemistry and Journal of Bacteriology.

In The Last Decade

Richard W. Thoma

10 papers receiving 297 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Richard W. Thoma Malaysia 10 259 66 57 50 33 10 359
Bernard Desfosses France 13 201 0.8× 40 0.6× 29 0.5× 48 1.0× 41 1.2× 29 372
G. Forrest Woods United States 10 225 0.9× 29 0.4× 12 0.2× 197 3.9× 58 1.8× 40 527
William S. Allen 10 153 0.6× 15 0.2× 28 0.5× 74 1.5× 41 1.2× 21 281
M. Kunitz United States 5 304 1.2× 9 0.1× 25 0.4× 24 0.5× 18 0.5× 6 414
George F. Taylor United States 8 113 0.4× 31 0.5× 44 0.8× 136 2.7× 11 0.3× 21 335
Sachio Ishimoto Japan 13 172 0.7× 10 0.2× 74 1.3× 217 4.3× 63 1.9× 30 521
Ichiro Tomida Japan 9 149 0.6× 20 0.3× 18 0.3× 125 2.5× 8 0.2× 29 326
I.S. Ridder Netherlands 10 473 1.8× 62 0.9× 15 0.3× 45 0.9× 29 0.9× 11 622
Vladimir Stefanović Serbia 9 231 0.9× 56 0.8× 8 0.1× 124 2.5× 8 0.2× 18 360
R. D. Hoffsommer United States 11 141 0.5× 17 0.3× 7 0.1× 161 3.2× 48 1.5× 26 317

Countries citing papers authored by Richard W. Thoma

Since Specialization
Citations

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

Fields of papers citing papers by Richard W. Thoma

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Richard W. Thoma. 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 Richard W. Thoma. The network helps show where Richard W. Thoma may publish in the future.

Co-authorship network of co-authors of Richard W. Thoma

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

All Works

10 of 10 papers shown
1.
Brown, W. E., et al.. (1971). Sequential 11α‐hydroxylation and 1‐dehydrogenation of 16α‐hydroxycortexolone. Biotechnology and Bioengineering. 13(4). 503–515. 16 indexed citations
2.
Thoma, Richard W.. (1971). Use of mutagens in the improvement of production strains of microorganisms. Folia Microbiologica. 16(3). 197–204. 25 indexed citations
3.
Brown, W. E., et al.. (1970). Influence of Mode of Steroid Substrate Addition on Conversion of Steroid and Growth Characteristics in a Mixed Culture Fermentation. Journal of General Microbiology. 61(1). 97–105. 12 indexed citations
4.
Ryu, DongHun, et al.. (1969). Induction and Repression of Steroid Hydroxylases and Dehydrogenases in Mixed Culture Fermentations. Journal of General Microbiology. 55(1). 145–153. 14 indexed citations
5.
Ryu, DongHun, et al.. (1969). Transformation of steroids by mixed cultures. Biotechnology and Bioengineering. 11(6). 1255–1270. 10 indexed citations
6.
Thoma, Richard W., et al.. (1957). METABOLISM OF PROGESTERONE BY CYLINDROCARPON RADICICOLA AND STREPTOMYCES LAVENDULAE. Journal of Bacteriology. 74(5). 684–688. 26 indexed citations
7.
Thoma, Richard W., et al.. (1957). Oxidation of Steroids by Microorganisms. IV. 16α-Hydroxylation of 9α-Fluorohydrocortisone and 9α-Fluoroprednisolone by Streptomyces roseochromogenus. Journal of the American Chemical Society. 79(17). 4818–4818. 27 indexed citations
8.
Thoma, Richard W. & W. H. Peterson. (1954). THE ENZYMATIC DEGRADATION OF SOLUBLE BOUND BIOTIN. Journal of Biological Chemistry. 210(2). 569–579. 60 indexed citations
9.
Fried, Josef, et al.. (1953). OXIDATION OF STEROIDS BY MICRO ÖRGANISMS. III. SIDE CHAIN DEGRADATION, RING D-CLEAVAGE AND DEHYDROGENATION IN RING A. Journal of the American Chemical Society. 75(22). 5764–5765. 125 indexed citations
10.
Fried, Josef, et al.. (1952). OXIDATION OF STEROIDS BY MICROÖRGANISMS. II.1 HYDROXYLATION IN POSITION 11 AND SYNTHESIS OF CORTISONE FROM REICHSTEIN'S COMPOUND S. Journal of the American Chemical Society. 74(15). 3962–3963. 44 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.

Explore authors with similar magnitude of impact

Rankless by CCL
2026