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Researcher · Environmental Protection Agency · United States

James A. Ryan

James A. Ryan publishes mostly in Sociology and Political Science, Organic Chemistry and Surgery, on topics such as Analytical Methods in Pharmaceuticals, Electrochemical Analysis and Applications and Analytical Chemistry and Chromatography.

OpenAlex
World rank
#105,164
of 1,633,909 ranked researchers
Rank in United States
#45,814
of 358,040
Works
36
Citations
235
Citations per work
6.5

What does James A. Ryan research?

Sociology and Political Science: 8.7%Organic Chemistry: 8.7%Surgery: 6.5%Spectroscopy: 6.5%other fields: 69.6%9%top field
Sociology and Political Science8.7%Organic Chemistry8.7%Surgery6.5%Spectroscopy6.5%other fields69.6%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Sociology and Political Science9% of their works
  2. 2Organic Chemistry9% of their works
  3. 3Surgery6% of their works
  4. 4Spectroscopy6% of their works
  5. 5Molecular Biology4% of their works
  6. 6Electrochemistry4% of their works

Research topics

Which keywords describe James A. Ryan's research?

The keywords of their largest research topics: China, Chiral Separation, Contamination, Detection, Electrochemical, Green Analytical Chemistry, Heavy Metals and Liquid Chromatography.

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 16 words, with their numbers
  1. China21 topic
  2. Chiral Separation21 topic
  3. Contamination21 topic
  4. Detection21 topic
  5. Electrochemical21 topic
  6. Green Analytical Chemistry21 topic
  7. Heavy Metals21 topic
  8. Liquid Chromatography21 topic
  9. Pharmaceutical Analysis21 topic
  10. Religion21 topic
  11. Common Agricultural Policy11 topic
  12. Enzyme Regulation11 topic
  13. Multifunctionality11 topic
  14. Nucleotide Metabolism11 topic
  15. VEGF11 topic
  16. endothelial progenitor cells11 topic

Where does James A. Ryan work?

James A. Ryan's main affiliation in the publication record is Environmental Protection Agency, United States.

How many publications and citations does James A. Ryan have?

Science Explorer counts 36 works and 235 citations for James A. Ryan, ranking #105,164 of 1,633,909 researchers worldwide on the composite 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 are in the interactive view on the map. Is this your page? Request a correction or removal.