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Alan G. Marshall

D-Index & Metrics

Chemistry

D-Index
129
Citations
62894
World Ranking
347
National Ranking
155

Alan G. Marshall publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Alan G. Marshall sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 849 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Alan G. Marshall D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Alan G. Marshall sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 129 D-Index — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2016 - Fellow, National Academy of Inventors
  • 2013 - Fellow of the American Academy of Arts and Sciences
  • 2012 - William H. Nichols Medal, American Chemical Society (ACS)
  • 2009 - Fellow of the American Chemical Society
  • 2008 - Oesper Award, University of Cincinnati and American Chemical Society
  • 2003 - Herty Medal, American Chemical Society (ACS)
  • 1989 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1988 - Fellow of American Physical Society (APS) Citation For fundamental contributions to many areas of spectroscopy, for inventing and developing the Fourier Transform ICR Mass Spectroscopy, and for applying the technique to the solution of a wide range of chemical and biochemical problems
  • 1976 - Fellow of Alfred P. Sloan Foundation

Overview

Alan G. Marshall is affiliated with Florida State University in the United States. Their research activity spans multiple fields, including Engineering and Chemistry, with a particular focus on Analytical Chemistry, Mechanics of Materials, Spectroscopy, Ocean Engineering, and Artificial Intelligence.

The main topics covered in their research include Petroleum Processing and Analysis, Hydrocarbon Exploration and Reservoir Analysis, Enhanced Oil Recovery Techniques, Mass Spectrometry Techniques and Applications, Wireless Signal Modulation Classification, Full-Duplex Wireless Communications, and Chronic Disease Management Strategies.

Among their recent scientific papers are:

  • Interlaboratory Study for Characterizing Monoclonal Antibodies by Top-Down and Middle-Down Mass Spectrometry, 2020, Journal of the American Society for Mass Spectrometry
  • Advances in Asphaltene Petroleomics. Part 4. Compositional Trends of Solubility Subfractions Reveal that Polyfunctional Oxygen-Containing Compounds Drive Asphaltene Chemistry, 2020, Energy & Fuels
  • Lessons Learned from a Decade-Long Assessment of Asphaltenes by Ultrahigh-Resolution Mass Spectrometry and Implications for Complex Mixture Analysis, 2021, Energy & Fuels
  • Comprehensive Compositional and Structural Comparison of Coal and Petroleum Asphaltenes Based on Extrography Fractionation Coupled with Fourier Transform Ion Cyclotron Resonance MS and MS/MS Analysis, 2020, Energy & Fuels
  • Characterization of an Asphalt Binder and Photoproducts by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry Reveals Abundant Water-Soluble Hydrocarbons, 2020, Environmental Science & Technology

Frequent coauthors of Alan G. Marshall include:

  • Ryan P. Rodgers
  • Martha L. Chacón-Patiño
  • Sydney F. Niles
  • Lissa C. Anderson
  • Christopher L. Hendrickson

Their work has been published predominantly in the following venues:

  • Energy & Fuels
  • arXiv (Cornell University)
  • Journal of the American Society for Mass Spectrometry
  • Environmental Science & Technology
  • BMJ Open

In addition to research articles, Alan G. Marshall has also contributed to book publications, including a work titled Intelligence and espionage in the English Republic c. 1600-60, published by Winchester University Press in 2023.

Over the course of their career, Alan G. Marshall has received numerous awards and honors, including:

  • Fellow of the National Academy of Inventors (2016)
  • Fellow of the American Academy of Arts and Sciences (2013)
  • William H. Nichols Medal, American Chemical Society (2012)
  • Fellow of the American Chemical Society (2009)
  • Oesper Award, University of Cincinnati and American Chemical Society (2008)
  • Herty Medal, American Chemical Society (2003)
  • Fellow of the American Association for the Advancement of Science (1989)
  • Fellow of American Physical Society (1988), recognized for fundamental contributions to spectroscopy and the invention and development of Fourier Transform Ion Cyclotron Resonance Mass Spectroscopy
  • Fellow of Alfred P. Sloan Foundation (1976)

Best Publications

  • Fourier transform ion cyclotron resonance mass spectrometry: A primer

    Alan G. Marshall;Christopher L. Hendrickson;George S. Jackson

  • FOURIER TRANSFORM ION CYCLOTRON RESONANCE SPECTROSCOPY.

    Melvin B. Comisarow;Alan G. Marshall

  • Asphaltenes, Heavy Oils, and Petroleomics

    Oliver C. Mullins;Eric Y. Sheu;Ahmed Hammami;Alan G. Marshall

  • Petroleomics: The Next Grand Challenge for Chemical Analysis

    Alan G Marshall;Ryan P Rodgers

  • Kendrick mass defect spectrum: a compact visual analysis for ultrahigh-resolution broadband mass spectra.

    Christine A. Hughey;Christopher L. Hendrickson;and Ryan P. Rodgers;Alan G. Marshall

  • Exact Masses and Chemical Formulas of Individual Suwannee River Fulvic Acids from Ultrahigh Resolution Electrospray Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectra

    Alexandra C Stenson;Alan G Marshall;William T Cooper

  • Petroleomics: Chemistry of the underworld

    Alan G. Marshall;Ryan P. Rodgers

  • Tailored excitation for Fourier transform ion cyclotron mass spectrometry

    Alan G. Marshall;Tao Chin Lin Wang;Tom L. Ricca

  • Fourier Transforms in NMR, Optical, and Mass Spectrometry: A User's Handbook

    Alan G. Marshall;Francis R. Verdun

  • A universal algorithm for fast and automated charge state deconvolution of electrospray mass-to-charge ratio spectra

    Zhongqi Zhang;Alan G. Marshall

  • The role of electron capture dissociation in biomolecular analysis.

    Helen J. Cooper;Kristina Håkansson;Alan G. Marshall

  • External Accumulation of Ions for Enhanced Electrospray Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

    Michael W. Senko;Christopher L. Hendrickson;Mark R. Emmett;Stone D. H. Shi

  • Resolution and identification of elemental compositions for more than 3000 crude acids in heavy petroleum by negative-ion microelectrospray high-field Fourier transform ion cyclotron resonance mass spectrometry

    Kuangnan Qian;Winston K. Robbins;Christine A. Hughey;Helen J. Cooper

  • Frequency-sweep fourier transform ion cyclotron resonance spectroscopy

    Melvin B. Comisarow;Alan G. Marshall

  • Resolution of 11 000 Compositionally Distinct Components in a Single Electrospray Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrum of Crude Oil

    Christine A. Hughey;Ryan P. Rodgers;Alan G. Marshall

  • An ultrahigh-resolution mass spectrometry index to estimate natural organic matter lability.

    Juliana D'Andrilli;William T. Cooper;Christine M. Foreman;Alan G. Marshall

  • FOURIER TRANSFORM ION CYCLOTRON RESONANCE MASS SPECTROMETRY: THE TEENAGE YEARS

    Alan G. Marshall;Peter B. Grosshans

  • High-resolution mass spectrometers.

    Alan G. Marshall;Christopher L. Hendrickson

  • Stored waveform inverse Fourier transform (SWIFT) ion excitation in trapped-ion mass spectometry: Theory and applications

    Shenheng Guan;Alan G. Marshall

  • Electron Capture Dissociation and Infrared Multiphoton Dissociation MS/MS of an N-Glycosylated Tryptic Peptide To Yield Complementary Sequence Information

    Kristina Håkansson;Helen J. Cooper;Mark R. Emmett;Catherine E. Costello

  • Reading chemical fine print: Resolution and identification of 3000 nitrogen-containing aromatic compounds from a single electrospray ionization Fourier transform ion cyclotron resonance mass spectrum of heavy petroleum crude oil

    Kuangnan Qian;Ryan P. Rodgers;Christopher L. Hendrickson;Mark R. Emmett

Frequent Co-Authors

Ryan P. Rodgers
Ryan P. Rodgers Florida State University
Christopher L. Hendrickson
Christopher L. Hendrickson Florida State University
Michael J. Chalmers
Michael J. Chalmers Eli Lilly (United States)
Sunghwan Kim
Sunghwan Kim Kyungpook National University
John R. Eyler
John R. Eyler University of Florida
Patrick A. Limbach
Patrick A. Limbach University of Cincinnati
Laurance D. Hall
Laurance D. Hall University of Cambridge
Forest M. White
Forest M. White MIT
Markus C. Wahl
Markus C. Wahl Freie Universität Berlin
Christopher M. Reddy
Christopher M. Reddy Woods Hole Oceanographic Institution

External Links

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Related Online Degrees & Career Pathways

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For those interested in a more clinical route, becoming a pharmacist requires extensive education but offers rewarding outcomes. Exploring the pharmacist education requirements is essential for chemistry students planning this career path.

Best Scientists Citing Alan G. Marshall

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Jos Oomens

Radboud University

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Quan Shi

Quan Shi

China University of Petroleum, Beijing

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Neil L. Kelleher

Neil L. Kelleher

Northwestern University

Publications: 110

Richard D. Smith

Richard D. Smith

Pacific Northwest National Laboratory

Publications: 105

Giel Berden

Giel Berden

Radboud University

Publications: 97

Peter B. O’Connor

Peter B. O’Connor

University of Warwick

Publications: 86

Oliver C. Mullins

Oliver C. Mullins

Schlumberger (United States)

Publications: 84

Thorsten Dittmar

Thorsten Dittmar

Carl von Ossietzky University of Oldenburg

Publications: 75

Hilkka I. Kenttämaa

Hilkka I. Kenttämaa

Purdue University West Lafayette

Publications: 74

Philippe Schmitt-Kopplin

Philippe Schmitt-Kopplin

Technical University of Munich

Publications: 73

Evan R. Williams

Evan R. Williams

University of California, Berkeley

Publications: 70

Sunghwan Kim

Sunghwan Kim

Kyungpook National University

Publications: 67

Fred W. McLafferty

Fred W. McLafferty

Cornell University

Publications: 67

Patrick G. Hatcher

Patrick G. Hatcher

Old Dominion University

Publications: 67

Michael L. Gross

Michael L. Gross

Washington University in St. Louis

Publications: 66

Chunming Xu

Chunming Xu

China University of Petroleum, Beijing

Publications: 65

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