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Researcher · United States Food and Drug Administration · United States

John J. O'Rangers

John J. O'Rangers publishes mostly in Food Science, Molecular Biology and Physical and Theoretical Chemistry, on topics such as Pesticide Residue Analysis and Safety, Various Chemistry Research Topics and Analytical Chemistry and Chromatography.

OpenAlex
World rank
#6,950,864
of 7,710,434 ranked researchers
Rank in United States
#1,570,426
of 1,627,098
Works
19
Citations
9
Citations per work
0.5
h-index
2
i10-index 0Top 97% in Food Science
John J. O'Rangers

What does John J. O'Rangers research?

John J. O'Rangers's work is mostly in Chemistry (18%), Agricultural and Biological Sciences (11%), Biochemistry, Genetics and Molecular Biology (11%).

Everything else: 9 works · 46.6% of their workLife Sciences: 4 works · 22.2% of their workAgricultural and Biological Sciences: 2 works · 11.1% of their workFood Science: 2 works · 11.1% of their workBiochemistry, Genetics and Molecular Biology: 2 works · 11.1% of their workMolecular Biology: 2 works · 11.1% of their workPhysical Sciences: 3 works · 17.8% of their workChemistry: 3 works · 17.8% of their workPhysical and Theoretical Chemistry: 2 works · 8.9% of their workSpectroscopy: 2 works · 8.9% of their workHealth Sciences: 3 works · 13.4% of their workMedicine: 1 works · 6.7% of their workEndocrinology, Diabetes and Metabolism: 1 works · 6.7% of their workVeterinary: 1 works · 6.7% of their workSmall Animals: 1 works · 6.7% of their workTHEIR WORKJohn J. O'Rangers19works
Life Sciences22%Physical Sciences18%Health Sciences13%

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. Everything else946.6%
    1. Agricultural and Biological Sciences211.1%
    2. Biochemistry, Genetics and Molecular Biology211.1%
    1. Chemistry317.8%
    1. Medicine16.7%
    2. Veterinary16.7%
  1. 1Food Science11% of their works
  2. 2Molecular Biology11% of their works
  3. 3Physical and Theoretical Chemistry9% of their works
  4. 4Spectroscopy9% of their works
  5. 5Small Animals7% of their works
  6. 6Endocrinology, Diabetes and Metabolism7% of their works

Research topics

Which keywords describe John J. O'Rangers's research?

The keywords of their largest research topics: Liquid Chromatography, Mass Spectrometry, Ethical Considerations, Multiresidue Method, Pesticide Residues, Biomedical Science, Chemistry Education and Chiral Separation.

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.

All 19 words, with their numbers
  1. Liquid Chromatography82 topics
  2. Mass Spectrometry72 topics
  3. Ethical Considerations52 topics
  4. Multiresidue Method51 topic
  5. Pesticide Residues51 topic
  6. Biomedical Science31 topic
  7. Chemistry Education31 topic
  8. Chiral Separation31 topic
  9. Gas Chromatography31 topic
  10. Health Research31 topic
  11. Laboratory Techniques31 topic
  12. ARRIVE Guidelines21 topic
  13. Aldosterone21 topic
  14. Animal Research Reporting21 topic
  15. Data Analysis21 topic
  16. Metabolomics21 topic
  17. Primary Aldosteronism21 topic
  18. Solvent Selection21 topic
  19. Sustainable Chemistry21 topic

Where does John J. O'Rangers work?

John J. O'Rangers's main affiliation in the publication record is United States Food and Drug Administration, United States.

How many publications and citations does John J. O'Rangers have?

OpenAlex counts 19 works and 9 citations for John J. O'Rangers, an h-index of 2, ranking #6,950,864 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised 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.

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