Richard L. O’Brien

1.9k citations
54 papers · 1.4k indexed · h-index 21
Topics
DNA and Nucleic Acid Chemistry (8 papers)DNA Repair Mechanisms (7 papers)Immune Response and Inflammation (6 papers)
Partner nations
United StatesCanadaIndia

In The Last Decade

Richard L. O’Brien

53 papers receiving 1.3k citations

Peers

Richard L. O’Brien
Comparison fields: 5 of 131
  • Molecular Biology 595
  • Immunology 343
  • Public Health, Environmental and Occupational Health 223
  • Oncology 173
  • Cancer Research 117
Replace Penelope J. Hopkins with:
Penelope J. Hopkins United States
Satoshi Mizuno Japan
E. Robert Burns United States
Kenneth R. Bridges United States
John O’Connor United States
Sara J. White United States
Patricia J. Anderson United States
George R. Honig United States
Kenneth W. Wood United States
Vicky Robinson United Kingdom
Richard L. O’Brien relative to Penelope J. Hopkins United States Penelope J. Hopkins's profile →
Citations per field
00.5×1.5×2.4×
Penelope J. Hopkins · 1×
Citations per year

Countries citing papers authored by Richard L. O’Brien

Since Specialization
Citations

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

Fields of papers citing papers by Richard L. O’Brien

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Richard L. O’Brien. 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 L. O’Brien. The network helps show where Richard L. O’Brien may publish in the future.

Co-authorship network of co-authors of Richard L. O’Brien

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

All Works

20 of 20 papers shown
#WorkIndexed citations
1 2
2 0
3 5
4
Ethical challenges of pregnancy prevention programs.
5
5
Cultural Proficiency in Addressing Health Disparities
36
6 4
7 5
8 6
9 16
10 5
11 2
12 19
13 2
14
Periodate-induced lymphocyte transformation. IV. Mitogenic effect of NaIO4 treated lymphocytes upon autologous lymphocytes.
33
15 21
16 14
17 9
18 60
19 110
20 88

About Richard L. O’Brien

Richard L. O’Brien is a scholar working on Immunology, Emergency Medical Services and Molecular Biology, having authored 54 papers that have together received 1.4k indexed citations. Recurring topics across this work include DNA and Nucleic Acid Chemistry (8 papers), DNA Repair Mechanisms (7 papers) and Immune Response and Inflammation (6 papers). The work is most often cited by research in Immunology (343 citations), Molecular Biology (595 citations) and Cancer Research (117 citations). Richard L. O’Brien has collaborated with scholars based in United States, Canada and India. Frequent co-authors include Fred E. Hahn, Jōhn W. Parker, John G. Olenick, Gerta Vrbovà, Geoffrey Burnstock, Amartya Sanyal, Omofolasade Kosoko‐Lasaki, J. A. Frelinger, Ada M. Kruisbeek and R E Tigelaar. Their work appears in journals such as Nature, Science and New England Journal of Medicine.

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