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Researcher · MRIGlobal · United States

Darrell E. O'Brien

Darrell E. O'Brien publishes mostly in Organic Chemistry, Molecular Biology and Nephrology, on topics such as Synthesis and Characterization of Heterocyclic Compounds, Synthesis and Biological Evaluation and Synthesis and biological activity.

OpenAlex
World rank
#3,436,760
of 7,710,434 ranked researchers
Rank in United States
#964,700
of 1,627,098
Works
37
Citations
730
Citations per work
19.7
h-index
14
i10-index 24Top 41% in Organic Chemistry
Darrell E. O'Brien

What does Darrell E. O'Brien research?

Darrell E. O'Brien's work is mostly in Chemistry (82%), Biochemistry, Genetics and Molecular Biology (10%), Medicine (3%).

Physical Sciences: 30 works · 81.6% of their workChemistry: 30 works · 81.6% of their workOrganic Chemistry: 30 works · 80.7% of their workInorganic Chemistry: 0 works · 0.9% of their workLife Sciences: 4 works · 11.0% of their workBiochemistry, Genetics and Molecular Biology: 4 works · 10.1% of their workMolecular Biology: 4 works · 10.1% of their workPharmacology, Toxicology and Pharmaceutics: 0 works · 0.9% of their workPharmaceutical Science: 0 works · 0.9% of their workEverything else: 2 works · 4.7% of their workHealth Sciences: 1 works · 2.7% of their workMedicine: 1 works · 2.7% of their workNephrology: 1 works · 1.8% of their workInfectious Diseases: 0 works · 0.9% of their workTHEIR WORKDarrell E.O'Brien37works
Life Sciences11%Physical Sciences82%Health Sciences3%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Chemistry3081.6%
    1. Biochemistry, Genetics and Molecular Biology410.1%
    2. Pharmacology, Toxicology and Pharmaceutics00.9%
  3. Everything else24.7%
    1. Medicine12.7%
  1. 1Organic Chemistry81% of their works
  2. 2Molecular Biology10% of their works
  3. 3Nephrology2% of their works
  4. 4Pharmaceutical Science1% of their works
  5. 5Infectious Diseases1% of their works
  6. 6Inorganic Chemistry1% of their works

Research topics

Which keywords describe Darrell E. O'Brien's research?

The keywords of their largest research topics: Synthesis, Biological Evaluation, Heterocycles, Anticancer, Antimicrobial, Heterocyclic Compounds, Anticancer Agents and Medicinal Chemistry.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 26 words, with their numbers
  1. Synthesis646 topics
  2. Biological Evaluation474 topics
  3. Heterocycles352 topics
  4. Anticancer333 topics
  5. Antimicrobial333 topics
  6. Heterocyclic Compounds313 topics
  7. Anticancer Agents272 topics
  8. Medicinal Chemistry272 topics
  9. Molecular Docking262 topics
  10. Drug Discovery221 topic
  11. Triazines221 topic
  12. Antimicrobial Activity182 topics
  13. Derivatives141 topic
  14. Quinoxaline141 topic
  15. Imidazoles131 topic
  16. Oxazolones131 topic
  17. Tubulin Inhibitors131 topic
  18. Vascular Targeting Agents131 topic
  19. Indirubin71 topic
  20. Quinazoline71 topic
  21. Acidity Scales41 topic
  22. Bioactivity41 topic
  23. Biological Activities41 topic
  24. Indolizines41 topic
  25. Nucleophilicity41 topic
  26. Phenothiazines41 topic

Where does Darrell E. O'Brien work?

Darrell E. O'Brien's main affiliation in the publication record is MRIGlobal, United States.

How many publications and citations does Darrell E. O'Brien have?

OpenAlex counts 37 works and 730 citations for Darrell E. O'Brien, an h-index of 14, ranking #3,436,760 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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