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Researcher · Agilent Technologies (United States) · United States

John C. Fjeldsted

John C. Fjeldsted publishes mostly in Spectroscopy, Molecular Biology and Analytical Chemistry, on topics such as Mass Spectrometry Techniques and Applications, Analytical Chemistry and Chromatography and Metabolomics and Mass Spectrometry Studies.

OpenAlex
World rank
#316,586
of 7,710,434 ranked researchers
Rank in United States
#114,424
of 1,627,098
Works
56
Citations
3.4k
Citations per work
61.3
h-index
28
i10-index 35Top 13% in Spectroscopy
John C. Fjeldsted

What does John C. Fjeldsted research?

John C. Fjeldsted's work is mostly in Chemistry (57%), Biochemistry, Genetics and Molecular Biology (15%), Engineering (11%).

Physical Sciences: 38 works · 68.3% of their workChemistry: 32 works · 57.3% of their workSpectroscopy: 26 works · 46.3% of their workAnalytical Chemistry: 6 works · 11.0% of their workEngineering: 6 works · 11.0% of their workBiomedical Engineering: 4 works · 7.3% of their workComputational Mechanics: 2 works · 3.7% of their workLife Sciences: 11 works · 18.9% of their workBiochemistry, Genetics and Molecular Biology: 9 works · 15.2% of their workMolecular Biology: 9 works · 15.2% of their workAgricultural and Biological Sciences: 2 works · 3.7% of their workFood Science: 2 works · 3.7% of their workEverything else: 7 works · 12.8% of their workTHEIR WORKJohn C. Fjeldsted56works
Life Sciences19%Physical Sciences68%

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. Chemistry3257.3%
    2. Engineering611.0%
    1. Biochemistry, Genetics and Molecular Biology915.2%
    2. Agricultural and Biological Sciences23.7%
  3. Everything else712.8%
  1. 1Spectroscopy46% of their works
  2. 2Molecular Biology15% of their works
  3. 3Analytical Chemistry11% of their works
  4. 4Biomedical Engineering7% of their works
  5. 5Food Science4% of their works
  6. 6Computational Mechanics4% of their works

Research topics

Which keywords describe John C. Fjeldsted's research?

The keywords of their largest research topics: Mass Spectrometry, Proteomics, Electrospray, Ionization, Liquid Chromatography, Chiral Separation, Gas Chromatography and Data Analysis.

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 19 words, with their numbers
  1. Mass Spectrometry654 topics
  2. Proteomics452 topics
  3. Electrospray371 topic
  4. Ionization371 topic
  5. Liquid Chromatography372 topics
  6. Chiral Separation311 topic
  7. Gas Chromatography311 topic
  8. Data Analysis141 topic
  9. Metabolomics141 topic
  10. Counter-Current Chromatography111 topic
  11. Natural Product Isolation111 topic
  12. Lab-on-a-Chip81 topic
  13. Poly(dimethylsiloxane)81 topic
  14. Protein Identification81 topic
  15. Quantitative Analysis81 topic
  16. Ion Beam61 topic
  17. Multiresidue Method61 topic
  18. Pesticide Residues61 topic
  19. Surface Analysis61 topic

Where does John C. Fjeldsted work?

John C. Fjeldsted's main affiliation in the publication record is Agilent Technologies (United States), United States.

How many publications and citations does John C. Fjeldsted have?

OpenAlex counts 56 works and 3,434 citations for John C. Fjeldsted, an h-index of 28, ranking #316,586 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.

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