John H. Callahan
About
John H. Callahan is a scholar working on Spectroscopy, Biomedical Engineering and Materials Chemistry.
According to data from OpenAlex, John H. Callahan has authored 72 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Spectroscopy, 16 papers in Biomedical Engineering and 15 papers in Materials Chemistry. Recurrent topics in John H. Callahan’s work include Mass Spectrometry Techniques and Applications (32 papers), Analytical Chemistry and Chromatography (15 papers) and Analytical chemistry methods development (12 papers). John H. Callahan is often cited by papers focused on Mass Spectrometry Techniques and Applications (32 papers), Analytical Chemistry and Chromatography (15 papers) and Analytical chemistry methods development (12 papers). John H. Callahan collaborates with scholars based in United States, China and South Korea. John H. Callahan's co-authors include Mark M. Ross, Stephen W. McElvany, Weiwei He, Jun‐Jie Yin, Wayne G. Wamer, David Melka, Hyun‐Kyung Kim, Jeffrey W. Gilman, Paul C. Trulove and Thomas E. Sutto and has published in prestigious journals such as Science, Journal of the American Chemical Society and Accounts of Chemical Research.
In The Last Decade
Co-authorship network of co-authors of John H. Callahan i
Fields of papers citing papers by John H. Callahan
Since SpecializationEngineeringComputer SciencePhysics and AstronomyMathematicsEarth and Planetary SciencesEnergyEnvironmental ScienceMaterials ScienceChemical EngineeringChemistryAgricultural and Biological SciencesVeterinaryDecision SciencesArts and HumanitiesBusiness, Management and AccountingSocial SciencesPsychologyEconomics, Econometrics and FinanceHealth ProfessionsDentistryMedicineBiochemistry, Genetics and Molecular BiologyNeuroscienceNursingImmunology and MicrobiologyPharmacology, Toxicology and Pharmaceutics
This network shows the specialization of papers citing the papers produced by John H. Callahan. Nodes represent fields, and links connect fields that are likely to share authors. The network helps show where John H. Callahan may publish in the future.
Countries citing papers authored by John H. Callahan
Since SpecializationCitations
This map shows the geographic impact of John H. Callahan'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 John H. Callahan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John H. Callahan more than expected).
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