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Evan R. Williams

D-Index & Metrics

Chemistry

D-Index
88
Citations
22463
World Ranking
2346
National Ranking
834

Evan R. Williams 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 Evan R. Williams 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: 273 publications — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Evan R. Williams 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 Evan R. Williams 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: 88 D-Index — 88th percentile

88% 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

  • 2012 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1933 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Evan R. Williams is affiliated with the University of California, Berkeley in the United States. Their research spans multiple fields, with a primary focus on chemistry and engineering.

The scientist's work covers a range of subfields, including:

  • Spectroscopy
  • Molecular Biology
  • Computational Mechanics
  • Electrical and Electronic Engineering
  • Biomedical Engineering

Williams has contributed extensively to topics such as:

  • Mass Spectrometry Techniques and Applications
  • Analytical Chemistry and Chromatography
  • Ion-surface interactions and analysis
  • Electrohydrodynamics and Fluid Dynamics
  • Microfluidic and Capillary Electrophoresis Applications
  • Protein purification and stability
  • Monoclonal and Polyclonal Antibodies Research

Their frequent coauthors include:

  • Conner C. Harper
  • Jacob S. Jordan
  • Zachary M. Miller
  • Casey J. Chen
  • Emeline Hanozin

Williams publishes regularly in key scientific venues, notably:

  • Analytical Chemistry
  • The Analyst
  • Journal of the American Society for Mass Spectrometry
  • Journal of the American Chemical Society
  • ACS Central Science

Recent papers authored or coauthored by Williams include:

  • "Mass spectrometry using electrospray ionization," 2023, Nature Reviews Methods Primers
  • "Direct observation of ion emission from charged aqueous nanodrops: effects on gaseous macromolecular charging," 2021, Chemical Science
  • "The role of analyte concentration in accelerated reaction rates in evaporating droplets," 2023, Chemical Science
  • "Tips on Making Tiny Tips: Secrets to Submicron Nanoelectrospray Emitters," 2022, Journal of the American Society for Mass Spectrometry
  • "Optimal trade-off control in machine learning-based library design, with application to adeno-associated virus (AAV) for gene therapy," 2024, Science Advances

Williams was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) twice, once in 1933 and again in 2012.

Best Publications

  • How many human proteoforms are there

    Ruedi Aebersold;Jeffrey N. Agar;I. Jonathan Amster;Mark S. Baker

  • Blackbody Infrared Radiative Dissociation of Bradykinin and Its Analogues: Energetics, Dynamics, and Evidence for Salt-Bridge Structures in the Gas Phase

    Paul D. Schnier;William D. Price;Rebecca A. Jockusch;Evan R. Williams

  • Mechanism of Charging and Supercharging Molecules in Electrospray Ionization

    Anthony T. Iavarone;Evan R. Williams

  • Tandem mass spectrometry of large biomolecule ions by blackbody infrared radiative dissociation.

    William D. Price;Paul D. Schnier;Evan R. Williams

  • Origin of asymmetric charge partitioning in the dissociation of gas-phase protein homodimers.

    John C. Jurchen;Evan R. Williams

  • Fourier-transform mass spectrometry of large molecules by electrospray ionization.

    Kent D. Henry;Evan R. Williams;Bing H. Wang;Fred W. McLafferty

  • On the maximum charge state and proton transfer reactivity of peptide and protein ions formed by electrospray ionization

    Paul D. Schnier;Deborah S. Gross;Evan R. Williams

  • The Protective Antigen Component of Anthrax Toxin Forms Functional Octameric Complexes

    Alexander F. Kintzer;Katie L. Thoren;Harry J. Sterling;Ken C. Dong

  • Supercharged protein and peptide ions formed by electrospray ionization.

    Anthony T. Iavarone;John C. Jurchen;Evan R. Williams

  • Is arginine a zwitterion in the gas phase

    William D. Price;Rebecca A. Jockusch;Evan R. Williams

  • Electrostatic Forces and Dielectric Polarizability of Multiply Protonated Gas-Phase Cytochrome c Ions Probed by Ion/Molecule Chemistry

    Paul D. Schnier;Deborah S. Gross;Evan R. Williams

  • Proton Transfer Reactivity of Large Multiply Charged Ions

    Evan R. Williams

  • Effects of solvent on the maximum charge state and charge state distribution of protein ions produced by electrospray ionization.

    Anthony T. Iavarone;John C. Jurchen;Evan R. Williams

  • Structure of cationized arginine (arg.m, m = h, li, na, k, rb, and cs) in the gas phase: further evidence for zwitterionic arginine.

    Rebecca A. Jockusch;William D. Price;Evan R. Williams

  • Unimolecular reaction kinetics in the high-pressure limit without collisions.

    William D. Price;Paul D. Schnier;Rebecca A. Jockusch;Eric F. Strittmatter

  • Infrared spectroscopy of cationized arginine in the gas phase: direct evidence for the transition from nonzwitterionic to zwitterionic structure.

    Matthew F. Bush;Jeremy T. O'Brien;James S. Prell;Richard J. Saykally

  • Infrared spectroscopy of hydrated amino acids in the gas phase: protonated and lithiated valine.

    Anthi Kamariotis;Oleg V. Boyarkin;Sébastien R. Mercier;Rainer D. Beck

  • Hydration Energies and Structures of Alkaline Earth Metal Ions, M2+ (H2O)n, n = 5–7, M = Mg, Ca, Sr, and Ba

    Sandra E. Rodriguez-Cruz;Rebecca A. Jockusch;Evan R. Williams

  • Unimolecular reactions of dihydrated alkaline earth metal dications M2+(H2O)2, M = Be, Mg, Ca, Sr, and Ba: salt-bridge mechanism in the proton-transfer reaction M2+(H2O)2 --> MOH+ + H3O.

    Martin Beyer;Evan R. Williams;Vladimir E. Bondybey

  • Conformations and folding of lysozyme ions in vacuo

    Deborah S. Gross;Paul D. Schnier;Sandra E. Rodriguez-Cruz;Clifton K. Fagerquist

Frequent Co-Authors

Matthew F. Bush
Matthew F. Bush University of Washington
Jos Oomens
Jos Oomens Radboud University
Richard J. Saykally
Richard J. Saykally University of California, Berkeley
Anthony T. Iavarone
Anthony T. Iavarone University of California, Berkeley
Stephen M. Rappaport
Stephen M. Rappaport University of California, Berkeley
Giel Berden
Giel Berden Radboud University
Fred W. McLafferty
Fred W. McLafferty Cornell University
John Kuriyan
John Kuriyan Vanderbilt University
John S. Klassen
John S. Klassen University of Alberta
David E. Clemmer
David E. Clemmer Indiana University

External Links

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Best Scientists Citing Evan R. Williams

Jos Oomens

Jos Oomens

Radboud University

Publications: 114

Martin K. Beyer

Martin K. Beyer

University of Innsbruck

Publications: 71

Scott A. McLuckey

Scott A. McLuckey

Purdue University West Lafayette

Publications: 68

Fred W. McLafferty

Fred W. McLafferty

Cornell University

Publications: 61

David E. Clemmer

David E. Clemmer

Indiana University

Publications: 60

P. B. Armentrout

P. B. Armentrout

University of Utah

Publications: 54

Richard D. Smith

Richard D. Smith

Pacific Northwest National Laboratory

Publications: 53

David H. Russell

David H. Russell

Texas A&M University

Publications: 53

Alan G. Marshall

Alan G. Marshall

Florida State University

Publications: 49

Carol V. Robinson

Carol V. Robinson

University of Oxford

Publications: 43

Joseph A. Loo

Joseph A. Loo

University of California, Los Angeles

Publications: 43

Giel Berden

Giel Berden

Radboud University

Publications: 41

Philippe Dugourd

Philippe Dugourd

Claude Bernard University Lyon 1

Publications: 39

Philippe Maître

Philippe Maître

University of Paris-Saclay

Publications: 37

Lars Konermann

Lars Konermann

University of Western Ontario

Publications: 37

František Tureček

František Tureček

University of Washington

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