World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
72
Citations
16979
World Ranking
5319
National Ranking
1657

Harold R. Udseth 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 Harold R. Udseth 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: 141 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

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

Harold R. Udseth 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 Harold R. Udseth 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: 72 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Overview

Harold R. Udseth is affiliated with the Environmental Molecular Sciences Laboratory in the United States. The primary focus of their research lies within the field of Materials Science, with a specific concentration in Materials Chemistry. Their work encompasses studies related to Enzyme Structure and Function.

The scientist has contributed to the academic community notably through publications in peer-reviewed journals. Their recent paper is titled "Correction to "A study of the thermal denaturation of ribonuclease S by electrospray ionization mass spectrometry"," published in 2025 in the Journal of the American Society for Mass Spectrometry.

Harold R. Udseth's frequent coauthors include:

  • David R. Goodlett
  • Rachel R. Ogorzalek Loo
  • Joseph A. Loo
  • Jon H. Wahl
  • Richard Smith

The main publication venue for their work is the Journal of the American Society for Mass Spectrometry.

Best Publications

  • New developments in biochemical mass spectrometry: electrospray ionization

    Richard D. Smith;Joseph A. Loo;Charles G. Edmonds;Charles J. Barinaga

  • Principles and practice of electrospray ionization—mass spectrometry for large polypeptides and proteins

    Richard D. Smith;Joseph A. Loo;Rachel R. Ogorzalek Loo;Mark Busman

  • Improved electrospray ionization interface for capillary zone electrophoresis-mass spectrometry

    Richard D. Smith;Charles J. Barinaga;Harold R. Udseth

  • Capillary zone electrophoresis-mass spectrometry using an electrospray ionization interface

    Richard D. Smith;Jose A. Olivares;Nhung T. Nguyen;Harold R. Udseth

  • An accurate mass tag strategy for quantitative and high-throughput proteome measurements.

    Richard D. Smith;Gordon A. Anderson;Mary S. Lipton;Ljiljana Pasa-Tolic

  • Global analysis of the Deinococcus radiodurans proteome by using accurate mass tags.

    Mary S. Lipton;Ljiljana Paša-Tolić;Gordon A. Anderson;David J. Anderson

  • Effect of reducing disulfide-containing proteins on electrospray ionization mass spectra.

    Joseph A. Loo;Charles G. Edmonds;Harold R. Udseth;Richard D. Smith

  • A novel ion funnel for focusing ions at elevated pressure using electrospray ionization mass spectrometry

    Scott A. Shaffer;Keqi Tang;Gordon A. Anderson;David C. Prior

  • Solvent-induced conformational changes of polypeptides probed by electrospray-ionization mass spectrometry.

    Joseph A. Loo;Rachel R. Ogorzalek Loo;Harold R. Udseth;Charles G. Edmonds

  • Peptide and protein analysis by electrospray ionization-mass spectrometry and capillary electrophoresis-mass spectrometry.

    Joseph A. Loo;Harold R. Udseth;Richard D. Smith

  • Quantitative analysis of bacterial and mammalian proteomes using a combination of cysteine affinity tags and 15N-metabolic labeling.

    Thomas P. Conrads;Kim Alving;Timothy D. Veenstra;Mikhail E. Belov

  • Collisional activation and collision-activated dissociation of large multiply charged polypeptides and proteins produced by electrospray ionization.

    Richard D. Smith;Joseph A. Loa;Charles J. Barinaga;Charles G. Edmonds

  • Collisional effects on the charge distribution of ions from large molecules, formed by electrospray‐ionization mass spectrometry

    Joseph A. Loo;Harold R. Udseth;Richard D. Smith;J. H. Futrell

  • An Ion Funnel Interface for Improved Ion Focusing and Sensitivity Using Electrospray Ionization Mass Spectrometry

    Scott A. Shaffer;David C. Prior;Gordon A. Anderson;Harold R. Udseth

  • An IMS−IMS Analogue of MS−MS

    Stormy L. Koeniger;Samuel I. Merenbloom;Stephen J. Valentine;Martin F. Jarrold

  • Automated 20 kpsi RPLC-MS and MS/MS with Chromatographic Peak Capacities of 1000−1500 and Capabilities in Proteomics and Metabolomics

    Yufeng Shen;Rui Zhang;Ronald J. Moore;Jeongkwon Kim

  • High-resolution accurate mass measurements of biomolecules using a new electrospray ionization ion cyclotron resonance mass spectrometer.

    Brian E. Winger;Steven A. Hofstadler;James E. Bruce;Harold R. Udseth

  • Packed Capillary Reversed-Phase Liquid Chromatography with High-Performance Electrospray Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry for Proteomics

    Yufeng Shen;Rui Zhao;Mikhail E. Belov;Thomas P. Conrads

  • Design and Implementation of a New Electrodynamic Ion Funnel

    Taeman Kim;Aleksey V. Tolmachev;Richard Harkewicz;David C. Prior

  • Microfabricated isoelectric focusing device for direct electrospray ionization-mass spectrometry.

    Jenny Wen;Yuehe Lin;Fan Xiang;Dean W. Matson

Frequent Co-Authors

Richard D. Smith
Richard D. Smith Pacific Northwest National Laboratory
Gordon A. Anderson
Gordon A. Anderson Pacific Northwest National Laboratory
Joseph A. Loo
Joseph A. Loo University of California, Los Angeles
Christophe D. Masselon
Christophe D. Masselon Grenoble Alpes University
Keqi Tang
Keqi Tang Ningbo University
Yufeng Shen
Yufeng Shen Columbia University
Ljiljana Paša-Tolić
Ljiljana Paša-Tolić Environmental Molecular Sciences Laboratory
Richard Smith
Richard Smith University of Exeter
Mary S. Lipton
Mary S. Lipton Pacific Northwest National Laboratory
Ronald J. Moore
Ronald J. Moore Pacific Northwest National Laboratory

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