World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
52
Citations
8028
World Ranking
13684
National Ranking
3550

Igor A. Kaltashov 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 Igor A. Kaltashov 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: 181 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Igor A. Kaltashov 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 Igor A. Kaltashov 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: 52 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

Igor A. Kaltashov is affiliated with the University of Massachusetts Amherst in the United States. Their research spans multiple disciplines primarily within medicine, biochemistry, genetics, molecular biology, and chemistry. The main focus of their work centers on mass spectrometry techniques and applications, platelet disorders and treatments, and the study of heparin-induced thrombocytopenia and thrombosis.

Their scientific contributions include studies in subfields such as spectroscopy, hematology, molecular biology, infectious diseases, and surgery. These areas reflect a broad engagement with both fundamental and applied aspects of biomedical research.

Their recent notable publications include:

  • The Utility of Native MS for Understanding the Mechanism of Action of Repurposed Therapeutics in COVID-19: Heparin as a Disruptor of the SARS-CoV-2 Interaction with Its Host Cell Receptor, 2020, Analytical Chemistry
  • Utilization of sonication-glycation to improve the functional properties of ovalbumin: A high-resolution mass spectrometry study, 2021, Food Hydrocolloids
  • Mass spectrometry-based methods in characterization of the higher order structure of protein therapeutics, 2020, Journal of Pharmaceutical and Biomedical Analysis
  • Charge Manipulation Using Solution and Gas-Phase Chemistry to Facilitate Analysis of Highly Heterogeneous Protein Complexes in Native Mass Spectrometry, 2021, Analytical Chemistry
  • Mass spectrometry-based methods to characterize highly heterogeneous biopharmaceuticals, vaccines, and nonbiological complex drugs at the intact-mass level, 2022, Mass Spectrometry Reviews

Key co-authors frequently collaborating with Igor A. Kaltashov include Daniil G. Ivanov, Yi Du, Ishac Nazy, Cedric E. Bobst, and Nikola Ivetic. These collaborations contribute to a body of work that integrates expertise across disciplines connected to protein analysis, therapeutic development, and clinical research.

Common publication venues associated with their work reflect a concentration in analytical chemistry and biomedical sciences, including:

  • Analytical Chemistry
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Food Hydrocolloids
  • Journal of Pharmaceutical and Biomedical Analysis
  • Mass Spectrometry Reviews

Their research topics also encompass:

  • Mass Spectrometry Techniques and Applications
  • Platelet Disorders and Treatments
  • Heparin-Induced Thrombocytopenia and Thrombosis
  • Monoclonal and Polyclonal Antibodies Research
  • SARS-CoV-2 and COVID-19 Research
  • Proteoglycans and Glycosaminoglycans Research
  • Protein Purification and Stability

Best Publications

  • Recommendations for performing, interpreting and reporting hydrogen deuterium exchange mass spectrometry (HDX-MS) experiments.

    Glenn R. Masson;John E. Burke;Natalie G. Ahn;Ganesh S. Anand

  • Estimates of protein surface areas in solution by electrospray ionization mass spectrometry.

    Igor A. Kaltashov;Anirban Mohimen

  • Studies of biomolecular conformations and conformational dynamics by mass spectrometry.

    Igor A. Kaltashov;Stephen J. Eyles

  • Detection of Multiple Protein Conformational Ensembles in Solution via Deconvolution of Charge-State Distributions in ESI MS

    Andras Dobo;Igor A. Kaltashov

  • Do ionic charges in ESI MS provide useful information on macromolecular structure

    Igor A. Kaltashov;Rinat R. Abzalimov

  • Advances and challenges in analytical characterization of biotechnology products: mass spectrometry-based approaches to study properties and behavior of protein therapeutics

    Igor A. Kaltashov;Cedric E. Bobst;Rinat R. Abzalimov;Guanbo Wang

  • Cancer metabolomic markers in urine: evidence, techniques and recommendations.

    Sarah S. Dinges;Annika Hohm;Lindsey A. Vandergrift;Johannes Nowak

  • H/D Exchange and Mass Spectrometry in the Studies of Protein Conformation and Dynamics: Is There a Need for a Top-Down Approach?

    Igor A. Kaltashov;Cedric E. Bobst;Rinat R. Abzalimov

  • Methods to study protein dynamics and folding by mass spectrometry

    Stephen J Eyles;Igor A Kaltashov

  • Protein Conformations Can Be Probed in Top-Down HDX MS Experiments Utilizing Electron Transfer Dissociation of Protein Ions Without Hydrogen Scrambling

    Rinat R. Abzalimov;Desmond A. Kaplan;Michael L. Easterling;Igor A. Kaltashov

  • Characterization of intrinsically disordered proteins with electrospray ionization mass spectrometry: conformational heterogeneity of alpha-synuclein.

    Agya K. Frimpong;Rinat R. Abzalimov;Vladimir N. Uversky;Vladimir N. Uversky;Igor A. Kaltashov

  • Mass spectrometry in biophysics : conformation and dynamics of biomolecules

    Igor A. Kaltashov;Stephen J. Eyles

  • Highly asymmetric interactions between globin chains during hemoglobin assembly revealed by electrospray ionization mass spectrometry.

    Wendell P. Griffith;Igor A. Kaltashov

  • Characterization of Intact Protein Conjugates and Biopharmaceuticals Using Ion-Exchange Chromatography with Online Detection by Native Electrospray Ionization Mass Spectrometry and Top-Down Tandem Mass Spectrometry

    Khaja Muneeruddin;Mark Nazzaro;Igor A. Kaltashov

  • Mass spectrometry‐based methods to study protein architecture and dynamics

    Igor A. Kaltashov;Cedric E. Bobst;Rinat R. Abzalimov

  • A chemometric approach to detection and characterization of multiple protein conformers in solution using electrospray ionization mass spectrometry

    Anirban Mohimen;Andras Dobo;Joshua K. Hoerner;Igor A. Kaltashov

  • Electrospray ionization mass spectrometry of highly heterogeneous protein systems: protein ion charge state assignment via incomplete charge reduction.

    Rinat R. Abzalimov;Igor A. Kaltashov

  • Is There Hydrogen Scrambling in the Gas Phase? Energetic and Structural Determinants of Proton Mobility within Protein Ions

    Joshua K. Hoerner;Hui Xiao;and Andras Dobo;Igor A. Kaltashov

  • Mapping protein energy landscapes with amide hydrogen exchange and mass spectrometry: I. A generalized model for a two-state protein and comparison with experiment.

    Hui Xiao;Joshua K Hoerner;Stephen J Eyles;Andras Dobo

  • Protein conformational stability probed by Fourier transform ion cyclotron resonance mass spectrometry

    Stephen J. Eyles;J. Paul Speir;Gary H. Kruppa;and Lila M. Gierasch

Frequent Co-Authors

Robert J. Cotter
Robert J. Cotter Johns Hopkins University School of Medicine
Catherine Fenselau
Catherine Fenselau University of Maryland, College Park
Zong-cai Tu
Zong-cai Tu Nanchang University
Paul L. Dubin
Paul L. Dubin University of Massachusetts Amherst
Vladimir N. Uversky
Vladimir N. Uversky University of South Florida
Christian R. H. Raetz
Christian R. H. Raetz Duke University
Qing-Yu He
Qing-Yu He Jinan University
John R. Engen
John R. Engen Northeastern University
Lila M. Gierasch
Lila M. Gierasch University of Massachusetts Amherst
Duncan J. Maskell
Duncan J. Maskell University of Melbourne

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