J N Hennessy

1.5k total citations · 1 hit paper
28 papers, 1.2k citations indexed

About

J N Hennessy is a scholar working on Food Science, Infectious Diseases and Ecology. According to data from OpenAlex, J N Hennessy has authored 28 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Food Science, 9 papers in Infectious Diseases and 7 papers in Ecology. Recurrent topics in J N Hennessy's work include Salmonella and Campylobacter epidemiology (12 papers), Viral gastroenteritis research and epidemiology (8 papers) and Bacteriophages and microbial interactions (7 papers). J N Hennessy is often cited by papers focused on Salmonella and Campylobacter epidemiology (12 papers), Viral gastroenteritis research and epidemiology (8 papers) and Bacteriophages and microbial interactions (7 papers). J N Hennessy collaborates with scholars based in Canada and Australia. J N Hennessy's co-authors include J L Penner, N A Hinton, W. B. Spaulding, W C Bradbury, Gordon Whiteley, Peter Fleming, Mohamed A. Karmali, Ann C. Williams, Scott D. Mills and John L. Penner and has published in prestigious journals such as The American Journal of Medicine, Journal of Clinical Microbiology and The Journal of Infectious Diseases.

In The Last Decade

J N Hennessy

27 papers receiving 992 citations

Hit Papers

1 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.

Passive hemagglutination technique for serotyping Campylobacter fetus subsp. jejuni on the basis of soluble heat-stable antigens

1980 506 citations J L Penner, J N Hennessy Journal of Clinical Microbiology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J N Hennessy Canada	15	848	573	257	196	171	28	1.2k
D H Burr United States	17	959 1.1×	747 1.3×	330 1.3×	435 2.2×	140 0.8×	21	1.4k
Nancy M. C. Bleumink‐Pluym Netherlands	22	550 0.6×	530 0.9×	255 1.0×	220 1.1×	286 1.7×	30	1.3k
Mark D. Englen United States	19	663 0.8×	384 0.7×	162 0.6×	179 0.9×	215 1.3×	33	1.1k
Leta O. Helsel United States	18	643 0.8×	332 0.6×	265 1.0×	287 1.5×	354 2.1×	24	1.4k
S. Stavrić Canada	14	652 0.8×	737 1.3×	167 0.6×	1.0k 5.3×	231 1.4×	34	1.6k
Ingrid Hänel Germany	15	415 0.5×	312 0.5×	127 0.5×	132 0.7×	99 0.6×	41	706
J. Neimann Denmark	10	1.4k 1.6×	899 1.6×	146 0.6×	276 1.4×	80 0.5×	15	1.6k
M.T. Rowe United Kingdom	24	358 0.4×	475 0.8×	231 0.9×	199 1.0×	437 2.6×	68	2.0k
Kim Van Deun Belgium	16	900 1.1×	496 0.9×	100 0.4×	110 0.6×	140 0.8×	23	1.3k
Veronica Novik United States	10	494 0.6×	401 0.7×	277 1.1×	197 1.0×	291 1.7×	13	952

Countries citing papers authored by J N Hennessy

Since Specialization

Citations

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

Fields of papers citing papers by J N Hennessy

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J N Hennessy. 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 J N Hennessy. The network helps show where J N Hennessy may publish in the future.

Co-authorship network of co-authors of J N Hennessy

This figure shows the co-authorship network connecting the top 25 collaborators of J N Hennessy. A scholar is included among the top collaborators of J N Hennessy 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 J N Hennessy. J N Hennessy 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

Hennessy, J N. (2002). Teaching Math and Science. CQ Press eBooks. 1 indexed citations

ALBERT, M. JOHN, Amanda Leach, V. Asche, J N Hennessy, & J L Penner. (1992). Serotype distribution of Campylobacter jejuni and Campylobacter coli isolated from hospitalized patients with diarrhea in central Australia. Journal of Clinical Microbiology. 30(1). 207–210. 16 indexed citations

Mills, Scott D., L A Kurjanczyk, B Shames, J N Hennessy, & J L Penner. (1991). Antigenic shifts in serotype determinants of Campylobacter coli are accompanied by changes in the chromosomal DNA restriction endonuclease digestion pattern. Journal of Medical Microbiology. 35(3). 168–173. 11 indexed citations

Mills, Scott D., et al.. (1991). Evaluation of a simplified procedure for serotyping Campylobacter jejuni and Campylobacter coli which is based on the O antigen. Journal of Clinical Microbiology. 29(10). 2093–2098. 8 indexed citations

Karmali, Mohamed A., J L Penner, Peter Fleming, Ann C. Williams, & J N Hennessy. (1983). The Serotype and Biotype Distribution of Clinical Isolates of Campylobacter jejuni and Campylobacter coli over a Three-Year Period. The Journal of Infectious Diseases. 147(2). 243–246. 62 indexed citations

Penner, J L, J N Hennessy, Scott D. Mills, & W C Bradbury. (1983). Application of serotyping and chromosomal restriction endonuclease digest analysis in investigating a laboratory-acquired case of Campylobacter jejuni enteritis. Journal of Clinical Microbiology. 18(6). 1427–1428. 33 indexed citations

Penner, J L, et al.. (1982). Species differences in susceptibilities of Proteeae spp. to six cephalosporins and three aminoglycosides. Antimicrobial Agents and Chemotherapy. 22(2). 218–221. 13 indexed citations

Grant, Robert B., et al.. (1981). Transferable urease activity in Providencia stuartii. Journal of Clinical Microbiology. 13(3). 561–565. 23 indexed citations

Penner, J L & J N Hennessy. (1980). Separate O-grouping schemes for serotyping clinical isolates of Proteus vulgaris and Proteus mirabilis. Journal of Clinical Microbiology. 12(3). 304–309. 79 indexed citations

10.

Penner, J L & J N Hennessy. (1980). Passive hemagglutination technique for serotyping Campylobacter fetus subsp. jejuni on the basis of soluble heat-stable antigens. Journal of Clinical Microbiology. 12(6). 732–737. 506 indexed citations breakdown →

11.

Penner, J L, N A Hinton, I. B. R. Duncan, J N Hennessy, & Gordon Whiteley. (1979). O serotyping of Providencia stuartii isolates collected from twelve hospitals. Journal of Clinical Microbiology. 9(1). 11–14. 28 indexed citations

12.

Penner, J L & J N Hennessy. (1979). O antigen grouping of Morganella morganii (Proteus morganii) by slide agglutination. Journal of Clinical Microbiology. 10(1). 8–13. 5 indexed citations

13.

Penner, J L, Peter Fleming, Gordon Whiteley, & J N Hennessy. (1979). O-serotyping Providencia alcalifaciens. Journal of Clinical Microbiology. 10(6). 761–765. 9 indexed citations

14.

Penner, J L & J N Hennessy. (1977). Reassignment of the Intermediate Strains of Proteus rettgeri biovar 5 to Providencia stuartii on the Basis of the Somatic (O) Antigens. International Journal of Systematic Bacteriology. 27(2). 71–74. 7 indexed citations

15.

Penner, J L, N A Hinton, J N Hennessy, & Gordon Whiteley. (1976). Reconstitution of the Somatic (O-) Antigenic Scheme for Providencia and Preparation of O-Typing Antisera. The Journal of Infectious Diseases. 133(3). 283–292. 19 indexed citations

16.

Hinton, N A, et al.. (1976). Variation in Urease Activity of Endemic Hospital Strains of Proteus rettgeri and Providencia stuartii. The Journal of Infectious Diseases. 134(4). 370–376. 13 indexed citations

17.

Penner, J L, N A Hinton, & J N Hennessy. (1975). Biotypes of Proteus rettgeri. Journal of Clinical Microbiology. 1(2). 136–142. 24 indexed citations

18.

Penner, John L., N A Hinton, & J N Hennessy. (1974). Serotyping of Proteus rettgeri on the basis of O antigens. Canadian Journal of Microbiology. 20(5). 777–789. 12 indexed citations

19.

Spaulding, W. B. & J N Hennessy. (1960). Cat scratch disease. The American Journal of Medicine. 28(4). 504–509. 40 indexed citations

20.

Hennessy, J N, et al.. (1954). Blood concentrations and clinical results following the oral administration of penicillin.. PubMed. 71(4). 335–8.

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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