Alan R. Harker
- Pollution top 5%
- Molecular Biology
- Plant Science top 10%
- Ecology top 10%
- Health, Toxicology and Mutagenesis top 10%
- Co-authors
- Y KimHarold J. EvansF. J. HanusR H OlsenRamon J. SeidlerMohammed ZuberDonald P. BreakwellPatricia Ayoubi
- Topics
- Microbial bioremediation and biosurfactants (8 papers)Legume Nitrogen Fixing Symbiosis (7 papers)Wastewater Treatment and Nitrogen Removal (5 papers)
- Journals
- Proceedings of the National Academy of SciencesJournal of Biological ChemistryApplied and Environmental Microbiology
- Partner nations
- United StatesGhanaSouth Korea
In The Last Decade
Alan R. Harker
19 papers receiving 608 citations
Peers
Comparison fields: 5 of 67
- Pollution 297
- Molecular Biology 234
- Plant Science 212
- Ecology 128
- Health, Toxicology and Mutagenesis 76
Countries citing papers authored by Alan R. Harker
This map shows the geographic impact of Alan R. Harker's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alan R. Harker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alan R. Harker more than expected).
Fields of papers citing papers by Alan R. Harker
This network shows the impact of papers produced by Alan R. Harker. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alan R. Harker. The network helps show where Alan R. Harker may publish in the future.
Co-authorship network of co-authors of Alan R. Harker
This figure shows the co-authorship network connecting the top 25 collaborators of Alan R. Harker. A scholar is included among the top collaborators of Alan R. Harker based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alan R. Harker. Alan R. Harker is excluded from the visualization to improve readability, since they are connected to all nodes in the network.
All Works
| # | Work | Indexed citations |
|---|---|---|
| 1 | 46 | |
| 2 | 57 | |
| 3 | 23 | |
| 4 | 30 | |
| 5 | 1 | |
| 6 | 22 | |
| 7 | 61 | |
| 8 | 17 | |
| 9 | 81 | |
| 10 | 80 | |
| 11 | 82 | |
| 12 | 26 | |
| 13 | 18 | |
| 14 | 16 | |
| 15 | 14 | |
| 16 | 12 | |
| 17 | 11 | |
| 18 | 50 | |
| 19 | 2 | |
| 20 | Resolution of two subunits from the molybdenum-iron protein of Azotobacter vinelandii nitrogenase. | 2 |
About Alan R. Harker
Alan R. Harker is a scholar working on Pollution, Environmental Chemistry and Plant Science, having authored 21 papers that have together received 652 indexed citations. Recurring topics across this work include Microbial bioremediation and biosurfactants (8 papers), Legume Nitrogen Fixing Symbiosis (7 papers) and Wastewater Treatment and Nitrogen Removal (5 papers). The work is most often cited by research in Pollution (297 citations), Plant Science (212 citations) and Health, Toxicology and Mutagenesis (76 citations). Alan R. Harker has collaborated with scholars based in United States, Ghana and South Korea. Frequent co-authors include Y Kim, Harold J. Evans, F. J. Hanus, R H Olsen, Ramon J. Seidler, Mohammed Zuber, Donald P. Breakwell, Patricia Ayoubi, Sterling A. Russell and Keith Filer. Their work appears in journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Applied and Environmental Microbiology.
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.