R D Leunk

1.3k total citations · 1 hit paper
13 papers, 1.0k citations indexed

About

R D Leunk is a scholar working on Surgery, Small Animals and Immunology. According to data from OpenAlex, R D Leunk has authored 13 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Surgery, 5 papers in Small Animals and 4 papers in Immunology. Recurrent topics in R D Leunk's work include Helicobacter pylori-related gastroenterology studies (8 papers), Veterinary medicine and infectious diseases (5 papers) and Galectins and Cancer Biology (3 papers). R D Leunk is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (8 papers), Veterinary medicine and infectious diseases (5 papers) and Galectins and Cancer Biology (3 papers). R D Leunk collaborates with scholars based in United States and India. R D Leunk's co-authors include D R Morgan, W. G. Kraft, Brien C. David, P T Johnson, Steven Krakowka, Robert J. Moon, Kathryn A. Eaton, Michael A. J. Ferguson, Andrew E. Simor and Donald E. Low and has published in prestigious journals such as Clinical Infectious Diseases, Journal of Clinical Microbiology and Antimicrobial Agents and Chemotherapy.

In The Last Decade

R D Leunk

13 papers receiving 970 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.

Cytotoxic activity in broth-culture filtrates of Campylobacter pylori

1988 542 citations R D Leunk, P T Johnson et al. Journal of Medical Microbiology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R D Leunk United States	11	873	486	320	139	115	13	1.0k
W. G. Kraft United States	9	921 1.1×	442 0.9×	337 1.1×	163 1.2×	124 1.1×	10	1.1k
Bettina Gebert Germany	7	959 1.1×	703 1.4×	319 1.0×	102 0.7×	107 0.9×	8	1.1k
R M Peek United States	5	958 1.1×	545 1.1×	276 0.9×	188 1.4×	47 0.4×	7	1.0k
A Lee Australia	11	1.5k 1.8×	692 1.4×	598 1.9×	225 1.6×	161 1.4×	13	1.7k
Martin J. Blaser United States	11	790 0.9×	217 0.4×	124 0.4×	196 1.4×	71 0.6×	15	976
Sílvia B. Moura Brazil	14	685 0.8×	215 0.4×	183 0.6×	103 0.7×	72 0.6×	27	753
Moniek Feller Netherlands	7	510 0.6×	297 0.6×	170 0.5×	60 0.4×	35 0.3×	8	692
Rino Rappuoli Italy	4	464 0.5×	325 0.7×	216 0.7×	46 0.3×	76 0.7×	4	605
Ina M. Simoons-Smit Netherlands	5	477 0.5×	355 0.7×	129 0.4×	45 0.3×	69 0.6×	5	834

Countries citing papers authored by R D Leunk

Since Specialization

Citations

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

Fields of papers citing papers by R D Leunk

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R D Leunk. 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 R D Leunk. The network helps show where R D Leunk may publish in the future.

Co-authorship network of co-authors of R D Leunk

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

All Works

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13 of 13 papers shown

1.

Leunk, R D, et al.. (2016). In Vitro Resistance Development to Nemonoxacin in Streptococcus pneumoniae : A Unique Profile for a Novel Nonfluorinated Quinolone. Microbial Drug Resistance. 22(7). 578–584. 14 indexed citations

2.

Krakowka, Steven, Kathryn A. Eaton, & R D Leunk. (1998). Antimicrobial Therapies for Helicobacter pylori Infection in Gnotobiotic Piglets. Antimicrobial Agents and Chemotherapy. 42(7). 1549–1554. 16 indexed citations

3.

Krakowka, Steven, et al.. (1996). Manifestations of the local gastric immune response in gnotobiotic piglets infected with Helicobacter pylori. Veterinary Immunology and Immunopathology. 52(3). 159–173. 20 indexed citations

4.

Czinn, Steven J., et al.. (1996). Characterization and Therapy for Experimental Infection by Helicobacter mustelae in Ferrets. Helicobacter. 1(1). 43–51. 10 indexed citations

5.

Leunk, R D. (1991). Production of a Cytotoxin by Helicobacter pylori. Clinical Infectious Diseases. 13(Supplement_8). S686–S689. 66 indexed citations

6.

Morgan, D R, James G. Fox, & R D Leunk. (1991). Comparison of isolates of Helicobacter pylori and Helicobacter mustelae. Journal of Clinical Microbiology. 29(2). 395–397. 17 indexed citations

7.

Leunk, R D, Michael A. J. Ferguson, D R Morgan, Donald E. Low, & Andrew E. Simor. (1990). Antibody to cytotoxin in infection by Helicobacter pylori. Journal of Clinical Microbiology. 28(6). 1181–1184. 33 indexed citations

8.

Leunk, R D, P T Johnson, Brien C. David, W. G. Kraft, & D R Morgan. (1988). Cytotoxic activity in broth-culture filtrates of Campylobacter pylori. Journal of Medical Microbiology. 26(2). 93–99. 542 indexed citations breakdown →

9.

Krakowka, Steven, D R Morgan, W. G. Kraft, & R D Leunk. (1987). Establishment of gastric Campylobacter pylori infection in the neonatal gnotobiotic piglet. Infection and Immunity. 55(11). 2789–2796. 226 indexed citations

10.

Kennett, Roger H., R D Leunk, Barbara J Meyer, & Vincent Silenzio. (1985). Detection of E. coli colonies expressing the v-sis oncogene product with monoclonal antibodies made against synthetic peptides. Journal of Immunological Methods. 85(1). 169–182. 5 indexed citations

11.

Moon, Robert J. & R D Leunk. (1983). Pilus-Mediated Clearance of Salmonella Typhimurium by the Perfused Mouse Liver. Advances in experimental medicine and biology. 162. 251–259. 2 indexed citations

12.

Leunk, R D & Robert J. Moon. (1982). Association of type 1 pili with the ability of livers to clear Salmonella typhimurium. Infection and Immunity. 36(3). 1168–1174. 33 indexed citations

13.

Leunk, R D, et al.. (1979). Physiological and metabolic alterations accompanying systemic candidiasis in mice. Infection and Immunity. 26(3). 1035–1041. 23 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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