World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
51
Citations
8134
World Ranking
17296
National Ranking
7112

Chemistry

D-Index
51
Citations
8142
World Ranking
14102
National Ranking
3647

Thomas E. Roche 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 Thomas E. Roche 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: 105 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Thomas E. Roche 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 Thomas E. Roche 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: 51 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Overview

Thomas E. Roche is affiliated with Kansas State University in the United States. Their research spans multiple areas within engineering, with a focus on ocean engineering, mechanical engineering, computer networks and communications, urban studies, and geography, planning, and development.

The scientist's research work covers several main topics, including oil and gas production techniques, reservoir engineering and simulation methods, hydraulic fracturing and reservoir analysis, cultural insights and digital impacts, social sciences and governance, as well as historical geography and geographical thought.

Recent publications include:

  • Identification of Downhole Emulsion in a Light Oil Development and Demulsifier Injection for Increasing Production, 2023, International Petroleum Technology Conference
  • Open Scholarly Publishing and Knowledge Mobilization: Combining Two Initiatives to Achieve Social Impact, 2021, Scholarly and Research Communication
  • The geography of higher education of Newfoundland and Labrador, Canada, 2023, OECD SME and entrepreneurship papers
  • How Emerald Publishing Has Embedded the Sustainable Development Goals Publisher Compact Into Its Business Strategy, 2021, Science Editor

Frequent coauthors who have collaborated with Roche include Huu Huy Vu, Manisa Rangponsumrit, Ngoc Dong Hoang, Duy Hung Nguyen, and Hai Nam Tran.

Their work has appeared in a variety of publication venues, notably:

  • International Petroleum Technology Conference
  • Scholarly and Research Communication
  • OECD SME and entrepreneurship papers
  • Science Editor

This body of research makes significant contributions across several intersecting disciplines, highlighting multiple engineering and social science dimensions. The diverse focus areas suggest a cross-disciplinary approach involving both technical and digital-cultural considerations in contemporary research contexts.

Best Publications

  • Molecular biology and biochemistry of pyruvate dehydrogenase complexes.

    Mulchand S. Patel;Thomas E. Roche

  • Sites of phosphorylation on pyruvate dehydrogenase from bovine kidney and heart

    Stephen J. Yeaman;Eldridge T. Hutcheson;Thomas E. Roche;Flora H. Pettit

  • Distinct regulatory properties of pyruvate dehydrogenase kinase and phosphatase isoforms.

    Thomas E. Roche;Jason C. Baker;Xiaohua Yan;Yasuaki Hiromasa

  • Pyruvate dehydrogenase kinase regulatory mechanisms and inhibition in treating diabetes, heart ischemia, and cancer

    T. E. Roche;Yasuaki Hiromasa

  • Identification and precursor frequency analysis of a common T cell epitope motif in mitochondrial autoantigens in primary biliary cirrhosis.

    Shinji Shimoda;Shinji Shimoda;Judith A Van de Water;Aftab Ansari;Minoru Nakamura

  • Keto acid dehydrogenase complexes. XVII. Kinetic and regulatory properties of pyruvate dehydrogenase kinase and pyruvate dehydrogenase phosphatase from bovine kidney and heart

    Ferdinand Hucho;Douglas D. Randall;Thomas E. Roche;Michael W. Burgett

  • Function of calcium ions in pyruvate dehydrogenase phosphatase activity.

    Flora H. Pettit;Thomas E. Roche;Lester J. Reed

  • Spectrophotometric assay of the flavin-containing monooxygenase and changes in its activity in female mouse liver with nutritional and diurnal conditions.

    Aparna Dixit;Thomas E. Roche

  • Evidence for the targeting by 2-oxo-dehydrogenase enzymes in the T cell response of primary biliary cirrhosis.

    J Van de Water;A A Ansari;C D Surh;R Coppel

  • Heterogeneity of autoreactive T cell clones specific for the E2 component of the pyruvate dehydrogenase complex in primary biliary cirrhosis.

    J. Van De Water;A. Ansari;T. Prindiville;R. L. Coppel

  • Properties of a newly characterized protein of the bovine kidney pyruvate dehydrogenase complex.

    J M Jilka;M Rahmatullah;M Kazemi;T E Roche

  • Antimitochondrial autoantibodies in primary biliary cirrhosis recognize cross-reactive epitope(s) on protein X and dihydrolipoamide acetyltransferase of pyruvate dehydrogenase complex.

    Charles D. Surh;Thomas E. Roche;Dean J. Danner;Aftab Ansari

  • Marked Differences between Two Isoforms of Human Pyruvate Dehydrogenase Kinase

    Jason C. Baker;Xiaohua Yan;Tao Peng;Shane Kasten

  • Alpha-Keto Acid Dehydrogenase Complexes

    Mulchand S. Patel;Thomas E. Roche;Robert A. Harris

  • Purification of porcine liver pyruvate dehydrogenase complex and characterization of its catalytic and regulatory properties

    Thomas E. Roche;Richard L. Cate

  • Regulatory Roles of the N-Terminal Domain Based on Crystal Structures of Human Pyruvate Dehydrogenase Kinase 2 Containing Physiological and Synthetic Ligands†,‡

    Thorsten R. Knoechel;Alec D. Tucker;Colin M. Robinson;Chris Phillips

  • Organization of the cores of the mammalian pyruvate dehydrogenase complex formed by E2 and E2 plus the E3-binding protein and their capacities to bind the E1 and E3 components.

    Yasuaki Hiromasa;Tetsuro Fujisawa;Yoichi Aso;Thomas E. Roche

  • Primary biliary cirrhosis. Inhibition of pyruvate dehydrogenase complex activity by autoantibodies specific for E1 alpha, a non-lipoic acid containing mitochondrial enzyme.

    D R Fregeau;T E Roche;P A Davis;R Coppel

  • Mechanism of action of isocitrate lyase from Pseudomonas indigofera.

    Bruce A. McFadden;Judith O. Williams;Thomas E. Roche

  • Lipoyl Domain-based Mechanism for the Integrated Feedback Control of the Pyruvate Dehydrogenase Complex by Enhancement of Pyruvate Dehydrogenase Kinase Activity (∗)

    Sundari Ravindran;Gary A. Radke;John R. Guest;Thomas E. Roche

  • Function of the nonidentical subunits of mammalian pyruvate dehydrogenase.

    Thomas E. Roche;Lester J. Reed

  • Mechanism of pyruvate inhibition of kidney pyruvate dehydrogenasea kinase and synergistic inhibition by pyruvate and ADP.

    Unknown

Frequent Co-Authors

Lester J. Reed
Lester J. Reed The University of Texas at Austin
Mulchand S. Patel
Mulchand S. Patel University at Buffalo, State University of New York
Ross L. Coppel
Ross L. Coppel Monash University
Aftab A. Ansari
Aftab A. Ansari University of California, Davis
M. Eric Gershwin
M. Eric Gershwin University of California, Davis
Z. Hong Zhou
Z. Hong Zhou University of California, Los Angeles
Ferdinand Hucho
Ferdinand Hucho Freie Universität Berlin
Patrick S.C. Leung
Patrick S.C. Leung University of California, Davis
Karl J. Kramer
Karl J. Kramer Kansas State University
Robert A. Grassucci
Robert A. Grassucci Columbia University

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