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Researcher · Envirogen (United States) · United States

Robert J. Steffan

Robert J. Steffan publishes mostly in Pollution, Molecular Biology and Health, Toxicology and Mutagenesis, on topics such as Microbial bioremediation and biosurfactants, Groundwater flow and contamination studies and Microbial metabolism and enzyme function.

OpenAlex
World rank
#847,031
of 7,710,434 ranked researchers
Rank in United States
#281,048
of 1,627,098
Works
105
Citations
5k
Citations per work
47.9
h-index
37
i10-index 64Top 7.6% in Pollution
Robert J. Steffan

What does Robert J. Steffan research?

Robert J. Steffan's work is mostly in Environmental Science (36%), Biochemistry, Genetics and Molecular Biology (17%), Chemistry (5%).

Everything else: 45 works · 43.1% of their workPhysical Sciences: 42 works · 40.2% of their workEnvironmental Science: 37 works · 35.5% of their workPollution: 19 works · 18.5% of their workHealth, Toxicology and Mutagenesis: 7 works · 6.5% of their workEnvironmental Engineering: 6 works · 5.8% of their workEcology: 5 works · 4.7% of their workChemistry: 5 works · 4.7% of their workOrganic Chemistry: 5 works · 4.7% of their workLife Sciences: 18 works · 16.7% of their workBiochemistry, Genetics and Molecular Biology: 18 works · 16.7% of their workMolecular Biology: 18 works · 16.7% of their workTHEIR WORKRobert J. Steffan105works
Life Sciences17%Physical Sciences40%

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 else4543.1%
    1. Environmental Science3735.5%
    2. Chemistry54.7%
    1. Biochemistry, Genetics and Molecular Biology1816.7%
  1. 1Pollution18% of their works
  2. 2Molecular Biology17% of their works
  3. 3Health, Toxicology and Mutagenesis6% of their works
  4. 4Environmental Engineering6% of their works
  5. 5Ecology5% of their works
  6. 6Organic Chemistry5% of their works

Research topics

Which keywords describe Robert J. Steffan's research?

The keywords of their largest research topics: Biodegradation, Polycyclic Aromatic Hydrocarbons, Microbial Ecology, Metabolic Engineering, Groundwater Flow, Transport Modeling, Lysyl Oxidase and Methanotrophy.

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 18 words, with their numbers
  1. Biodegradation391 topic
  2. Polycyclic Aromatic Hydrocarbons391 topic
  3. Microbial Ecology162 topics
  4. Metabolic Engineering152 topics
  5. Groundwater Flow101 topic
  6. Transport Modeling101 topic
  7. Lysyl Oxidase91 topic
  8. Methanotrophy91 topic
  9. Anammox Bacteria81 topic
  10. Disinfection By-Products81 topic
  11. Drinking Water81 topic
  12. Marine Microbes81 topic
  13. Microbial Biogeography81 topic
  14. Nitrogen-Cycling Network81 topic
  15. Estrogen71 topic
  16. Receptor71 topic
  17. Constraint-Based Models61 topic
  18. Genome-Scale Models61 topic

Where does Robert J. Steffan work?

Robert J. Steffan's main affiliation in the publication record is Envirogen (United States), United States.

How many publications and citations does Robert J. Steffan have?

OpenAlex counts 105 works and 5,029 citations for Robert J. Steffan, an h-index of 37, ranking #847,031 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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