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Researcher · Health Canada · Canada

John B. Shields

John B. Shields publishes mostly in Food Science, Surgery and Pulmonary and Respiratory Medicine, on topics such as Pesticide Residue Analysis and Safety, Pesticide Exposure and Toxicity and Analytical Chemistry and Chromatography.

OpenAlex
World rank
#3,220,405
of 7,710,434 ranked researchers
Rank in Canada
#102,864
of 183,316
Works
61
Citations
1.1k
Citations per work
18.6
h-index
19
i10-index 32Top 20% in Food Science
John B. Shields

What does John B. Shields research?

John B. Shields's work is mostly in Agricultural and Biological Sciences (22%), Medicine (18%), Environmental Science (4%).

Everything else: 35 works · 56.8% of their workLife Sciences: 13 works · 21.6% of their workAgricultural and Biological Sciences: 13 works · 21.6% of their workFood Science: 6 works · 9.8% of their workAnimal Science and Zoology: 4 works · 5.9% of their workPlant Science: 4 works · 5.9% of their workHealth Sciences: 11 works · 17.7% of their workMedicine: 11 works · 17.7% of their workSurgery: 6 works · 9.2% of their workPulmonary and Respiratory Medicine: 5 works · 8.5% of their workPhysical Sciences: 2 works · 3.9% of their workEnvironmental Science: 2 works · 3.9% of their workHealth, Toxicology and Mutagenesis: 2 works · 3.9% of their workTHEIR WORKJohn B. Shields61works
Life Sciences22%Physical Sciences4%Health Sciences18%

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 else3556.8%
    1. Agricultural and Biological Sciences1321.6%
    1. Medicine1117.7%
    1. Environmental Science23.9%
  1. 1Food Science10% of their works
  2. 2Surgery9% of their works
  3. 3Pulmonary and Respiratory Medicine8% of their works
  4. 4Plant Science6% of their works
  5. 5Animal Science and Zoology6% of their works
  6. 6Health, Toxicology and Mutagenesis4% of their works

Research topics

Which keywords describe John B. Shields's research?

The keywords of their largest research topics: Food Safety, Liquid Chromatography, Environmental Impact, Pesticides, Mass Spectrometry, Pesticide Residues, Exposure and Health Effects.

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 21 words, with their numbers
  1. Food Safety212 topics
  2. Liquid Chromatography172 topics
  3. Environmental Impact132 topics
  4. Pesticides132 topics
  5. Mass Spectrometry121 topic
  6. Pesticide Residues121 topic
  7. Exposure91 topic
  8. Health Effects91 topic
  9. Meat Quality82 topics
  10. Acetylcholinesterase51 topic
  11. Chiral Separation51 topic
  12. Cholinesterase Inhibitors51 topic
  13. Gas Chromatography51 topic
  14. Clenbuterol41 topic
  15. Herbicides41 topic
  16. Lipid Oxidation41 topic
  17. Molecularly Imprinted Polymers41 topic
  18. Pollution41 topic
  19. Protein Oxidation41 topic
  20. Ractopamine41 topic
  21. Solid-Phase Microextraction41 topic

Where does John B. Shields work?

John B. Shields's main affiliation in the publication record is Health Canada, Canada.

How many publications and citations does John B. Shields have?

OpenAlex counts 61 works and 1,132 citations for John B. Shields, an h-index of 19, ranking #3,220,405 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.

Discussion

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