World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
44
Citations
8305
World Ranking
16736
National Ranking
4150

Roger C. Helgeson 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 Roger C. Helgeson 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: 97 publications — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Roger C. Helgeson 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 Roger C. Helgeson 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: 44 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

Roger C. Helgeson is affiliated with the University of California, Los Angeles in the United States. Their research primarily focuses on Materials Science, with a specialization in Materials Chemistry. Additional areas of study include Molecular Biology and Pharmacology.

The scientist's work covers several key topics, including:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Chemical Synthesis and Analysis
  • Microbial Natural Products and Biosynthesis
  • Enzyme Catalysis and Immobilization

Roger C. Helgeson has published research in venues such as:

  • The Cambridge Structural Database
  • Nature Chemistry

Recent publications include:

  • "Efficient Lewis acid catalysis of an abiological reaction in a de novo protein scaffold," 2021, Nature Chemistry
  • "CCDC 1972198: Experimental Crystal Structure Determination," 2021, The Cambridge Structural Database
  • "CCDC 1972193: Experimental Crystal Structure Determination," 2021, The Cambridge Structural Database
  • "CCDC 1972197: Experimental Crystal Structure Determination," 2021, The Cambridge Structural Database

The scientist collaborates frequently with other researchers, including:

  • Sophie Basler
  • Sabine Studer
  • Yike Zou
  • Yusuke Ota
  • Anna Camus

Best Publications

  • Highly sensitive biological and chemical sensors based on reversible fluorescence quenching in a conjugated polymer

    Liaohai Chen;Duncan W. McBranch;Hsing Lin Wang;Roger Helgeson

  • Host-guest complexation. 48. Octol building blocks for cavitands and carcerands

    Linda M. Tunstad;John A. Tucker;Enrico Dalcanale;Jurgen Weiser

  • Host-guest complexation. 1. Concept and illustration

    Evan P. Kyba;Roger C. Helgeson;Khorshed Madan;George W. Gokel

  • Host-guest complexation. 46. Cavitands as open molecular vessels form solvates

    Donald J. Cram;Stefan. Karbach;Hye Eun. Kim;Carolyn B. Knobler

  • Host-guest complexation. 20. Chiral recognition in transport as a molecular basis for a catalytic resolving machine

    Martin Newcomb;John L. Toner;Roger C. Helgeson;Donald J. Cram

  • Tetramethylpentacene: Remarkable Absence of Steric Effect on Field Effect Mobility

    Hong Meng;Michael Bendikov;Gregory Mitchell;Roger Helgeson

  • Host-guest complexation. 8. Macrocyclic polyethers shaped by two rigid substituted dinaphthyl or ditetralyl units

    Donald J. Cram;Roger C. Helgeson;Stephen C. Peacock;Lester J. Kaplan

  • Host-guest complexation. 35. Spherands, the first completely preorganized ligand systems

    Donald J. Cram;Takahiro Kaneda;Roger C. Helgeson;S. Bruce Brown

  • Dual-color polymer light-emitting pixels processed by hybrid inkjet printing

    Shun-Chi Chang;Jayesh Bharathan;Yang Yang;Roger Helgeson

  • Spherands-ligands whose binding of cations relieves enforced electron-electron repulsions

    Donald J. Cram;Takahiro Kaneda;Roger C. Helgeson;George M. Lein

  • An Unusual Electrochromic Device Based on a New Low‐Bandgap Conjugated Polymer

    Hong Meng;Derald Tucker;Sterling Chaffins;Yongsheng Chen

  • Computational design of catalytic dyads and oxyanion holes for ester hydrolysis.

    Florian Richter;Rebecca Blomberg;Sagar D. Khare;Gert Kiss

  • Host-guest complexation. 23. High chiral recognition of amino acid and ester guests by hosts containing one chiral element

    Unknown

  • Building highly sensitive dye assemblies for biosensing from molecular building blocks.

    Robert M. Jones;Liangde Lu;Roger Helgeson;Troy S. Bergstedt

  • Chiral recognition in complexation of guests by designed host molecules

    D. J. Cram;R. C. Helgeson;L. R. Sousa;J. M. Timko

  • Host-guest complexation. 13. High chiral recognition of amino esters by dilocular hosts containing extended steric barriers

    Stephen C. Peacock;Linda A. Domeier;Fred C. A. Gaeta;Roger C. Helgeson

  • HOST‐GUEST COMPLEXATION. 22. RECIPROCAL CHIRAL RECOGNITION BETWEEN AMINO ACIDS AND DILOCULAR SYSTEMS

    Stephen S. Peacock;David M. Walba;Fred C. A. Gaeta;Roger C. Helgeson

  • Superquenching in cyanine pendant poly(L-lysine) dyes: dependence on molecular weight, solvent, and aggregation.

    Liangde Lu;Roger Helgeson;Robert M. Jones;Duncan Mcbranch

  • Host-guest complexation. 6. The [2.2]paracyclophanyl structural unit in host compounds

    Roger C. Helgeson;Thomas L. Tarnowski;Joseph M. Timko;Donald J. Cram

  • Complete optical resolution by differential complexation in solution between a chiral cyclic polyether and an .alpha.-amino acid

    Roger C. Helgeson;Kenji. Koga;Joseph M. Timko;Donald J. Cram

  • Letter: Enantiomer differentiation in transport through bulk liquid membranes.

    Martin Newcomb;Roger C. Helgeson;Donald J. Cram

  • Dual-color polymer light-emitting pixels processed by hybrid inkjet printing

    Shun-Chi Chang;Jayesh Bharathan;Roger Helgeson;Fred Wudl

Frequent Co-Authors

Donald J. Cram
Donald J. Cram University of California, Los Angeles
Carolyn B. Knobler
Carolyn B. Knobler University of California, Los Angeles
Fred Wudl
Fred Wudl University of California, Santa Barbara
Kendall N. Houk
Kendall N. Houk University of California, Los Angeles
Martin Newcomb
Martin Newcomb University of Illinois at Chicago
Kenji Koga
Kenji Koga Nara Institute of Science and Technology
George W. Gokel
George W. Gokel University of Missouri–St. Louis
David G. Whitten
David G. Whitten University of New Mexico
James M. Mayer
James M. Mayer Yale University
Hsing-Lin Wang
Hsing-Lin Wang Southern University of Science and Technology

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