Champa N. Ratnatunga

639 total citations · 1 hit paper
15 papers, 414 citations indexed

About

Champa N. Ratnatunga is a scholar working on Infectious Diseases, Epidemiology and Immunology. According to data from OpenAlex, Champa N. Ratnatunga has authored 15 papers receiving a total of 414 indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Infectious Diseases, 5 papers in Epidemiology and 3 papers in Immunology. Recurrent topics in Champa N. Ratnatunga's work include Tuberculosis Research and Epidemiology (6 papers), Mycobacterium research and diagnosis (4 papers) and Infectious Diseases and Mycology (2 papers). Champa N. Ratnatunga is often cited by papers focused on Tuberculosis Research and Epidemiology (6 papers), Mycobacterium research and diagnosis (4 papers) and Infectious Diseases and Mycology (2 papers). Champa N. Ratnatunga collaborates with scholars based in Sri Lanka, Australia and United Kingdom. Champa N. Ratnatunga's co-authors include John J. Miles, Viviana P. Lutzky, Denise L. Doolan, Rachel Thomson, Andreas Kupz, Scott C. Bell, David W. Reid, Matthew A. Field, Thomas S. Watkins and Suneth Agampodi and has published in prestigious journals such as SHILAP Revista de lepidopterología, Scientific Reports and Frontiers in Immunology.

In The Last Decade

Champa N. Ratnatunga

14 papers receiving 410 citations

Hit Papers

The Rise of Non-Tuberculo... 2020 2026 2022 2024 2020 50 100 150 200 250
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.

  1. The Rise of Non-Tuberculosis Mycobacterial Lung Disease
    2020 293 citations Champa N. Ratnatunga, Viviana P. Lutzky et al. Frontiers in Immunology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Champa N. Ratnatunga Sri Lanka 7 298 238 91 64 52 15 414
Elizabeth Creissen United States 10 165 0.6× 241 1.0× 49 0.5× 123 1.9× 24 0.5× 15 298
Marisa Harton United States 11 367 1.2× 442 1.9× 34 0.4× 239 3.7× 20 0.4× 13 606
Jamila H. Champsi United States 8 314 1.1× 140 0.6× 23 0.3× 144 2.3× 22 0.4× 14 460
Yong Woo Back South Korea 14 227 0.8× 294 1.2× 18 0.2× 177 2.8× 21 0.4× 21 412
Е. Е. Ларионова Russia 12 381 1.3× 395 1.7× 34 0.4× 30 0.5× 10 0.2× 74 545
Lory D. Wiviott United States 6 218 0.7× 236 1.0× 11 0.1× 98 1.5× 26 0.5× 7 393
É. Catherinot France 8 186 0.6× 148 0.6× 70 0.8× 21 0.3× 14 0.3× 26 256
A-Rum Shin South Korea 10 220 0.7× 271 1.1× 9 0.1× 132 2.1× 23 0.4× 22 417
P. Wåhlén Sweden 9 220 0.7× 181 0.8× 80 0.9× 50 0.8× 8 0.2× 13 348
Lewis W. Marshall United States 8 38 0.1× 80 0.3× 85 0.9× 108 1.7× 27 0.5× 19 332

Countries citing papers authored by Champa N. Ratnatunga

Since Specialization
Citations

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

Fields of papers citing papers by Champa N. Ratnatunga

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Champa N. Ratnatunga

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

All Works

15 of 15 papers shown
1.
2.
Price, Patricia, Michael P. Holt, Viviana P. Lutzky, et al.. (2022). CD161 expression defines new human γδ T cell subsets. Immunity & Ageing. 19(1). 11–11. 4 indexed citations
3.
Ratnatunga, Champa N., Katie Tungatt, Carla Proietti, et al.. (2022). Characterizing and correcting immune dysfunction in non-tuberculous mycobacterial disease. Frontiers in Immunology. 13. 1047781–1047781. 6 indexed citations
4.
Bansal, Paramjit S., David T. Wilson, Linda Jones, et al.. (2022). Peptides derived from hookworm anti-inflammatory proteins suppress inducible colitis in mice and inflammatory cytokine production by human cells. Frontiers in Medicine. 9. 4 indexed citations
5.
Ratnatunga, Champa N., Viviana P. Lutzky, Andreas Kupz, et al.. (2020). The Rise of Non-Tuberculosis Mycobacterial Lung Disease. Frontiers in Immunology. 11. 303–303. 293 indexed citations breakdown →
6.
Thevanesam, Vasanthi, Susiji Wickramasinghe, Chandika D. Gamage, et al.. (2019). Insight into genetic diversity of Mycobacterium tuberculosis in Kandy, Sri Lanka reveals predominance of the Euro-American lineage. International Journal of Infectious Diseases. 87. 84–91. 8 indexed citations
7.
Lutzky, Viviana P., Champa N. Ratnatunga, Daniel J. Smith, et al.. (2018). Anomalies in T Cell Function Are Associated With Individuals at Risk of Mycobacterium abscessus Complex Infection. Frontiers in Immunology. 9. 1319–1319. 20 indexed citations
8.
Lepletier, Ailin, Viviana P. Lutzky, Deepak Mittal, et al.. (2018). The immune checkpoint CD96 defines a distinct lymphocyte phenotype and is highly expressed on tumor‐infiltrating T cells. Immunology and Cell Biology. 97(2). 152–164. 29 indexed citations
9.
Proietti, Carla, Martha Zakrzewski, Thomas S. Watkins, et al.. (2016). Mining, visualizing and comparing multidimensional biomolecular data using the Genomics Data Miner (GMine) Web-Server. Scientific Reports. 6(1). 38178–38178. 20 indexed citations
10.
Wijetunge, Sulochana, et al.. (2016). Evaluation of histology as a Helicobacter pylori detection method and analysis of associated problems. 10(2). 5–5. 2 indexed citations
11.
Ratnatunga, Champa N., et al.. (2015). T-SPOT. TB assay and tuberculin skin test for diagnosis and screening of tuberculosis: First report in a Sri lankan population. SHILAP Revista de lepidopterología. 7(1). 14–19. 2 indexed citations
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Ratnatunga, Champa N., et al.. (2013). Necrotizing Fasciitis and Death Following an Insect Bite. American Journal of Forensic Medicine & Pathology. 34(3). 234–236. 9 indexed citations
15.
Ratnatunga, Champa N., et al.. (2012). Predictors of the development of myocarditis or acute renal failure in patients with leptospirosis: An observational study. BMC Infectious Diseases. 12(1). 4–4. 15 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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