World's Best Scientists 2026 revealed!
Gregory P. Smith

Gregory P. Smith

D-Index & Metrics

Chemistry

D-Index
50
Citations
6851
World Ranking
14598
National Ranking
3726

Gregory P. Smith 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 Gregory P. Smith 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: 154 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Gregory P. Smith 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 Gregory P. Smith 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: 50 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Overview

Gregory P. Smith is affiliated with SRI International in the United States. Their research spans multiple disciplines within biochemistry, genetics, and molecular biology, with a significant focus on molecular biology. The scientist's work further explores specific subfields, including computational mechanics, atomic and molecular physics and optics, physical and theoretical chemistry, and fluid flow and transfer processes.

The main topics addressed in their research include:

  • DNA and nucleic acid chemistry
  • Advanced biosensing and bioanalysis techniques
  • RNA interference and gene delivery
  • Heat transfer and supercritical fluids
  • Photochemistry and electron transfer studies
  • Advanced combustion engine technologies
  • Combustion and flame dynamics

Gregory P. Smith has published in several venues, with the most frequent ones being:

  • Family Relations (9 publications)
  • arXiv (Cornell University) (3 publications)
  • Combustion and Flame (2 publications)
  • Proceedings of the National Academy of Sciences (2 publications)
  • Optica (1 publication)

Selected recent papers demonstrate the scientist's engagement in diverse research themes and include:

  • Neural network approach to response surface development for reaction model optimization and uncertainty minimization, 2023, Combustion and Flame
  • Kramers-Kronig relation in attosecond transient absorption spectroscopy, 2022, Optica
  • Mono- and bilayer smectic liquid crystal ordering in dense solutions of "gapped" DNA duplexes, 2021, Proceedings of the National Academy of Sciences
  • Foundational Fuel Chemistry Model 2 - iso-Butene chemistry and application in modeling alcohol-to-jet fuel combustion, 2023, Combustion and Flame
  • Smectic-B phase and temperature-driven smectic-B to -A transition in concentrated solutions of "gapped" DNA, 2022, Physical Review Research

Frequent co-authors collaborating with Gregory P. Smith include:

  • Wendy Middlemiss
  • Joseph G. Grzywacz
  • Francesca Adler-Baeder
  • Alice Atkinson
  • Suzanne Bartle-Haring

Best Publications

  • Organometallic bond dissociation energies: laser pyrolysis of iron pentacarbonyl, chromium hexacarbonyl, molybdenum hexacarbonyl, and tungsten hexacarbonyl

    Karan E. Lewis;David M. Golden;Gregory P. Smith

  • Collisional Quenching of CH(A), OH(A), and NO(A) in Low Pressure Hydrocarbon Flames

    Masayuki Tamura;Pamela A. Berg;Joel E. Harrington;Jorge Luque

  • In uence of ambient conditions on the laser air spark

    Ş. Yalçin;D.R. Crosley;G.P. Smith;G.W. Faris

  • Collisional quenching of A 2Σ+ OH at elevated temperatures

    Paul W. Fairchild;Gregory P. Smith;David R. Crosley

  • Low pressure flame determinations of rate constants for OH(A) and CH(A) chemiluminescence

    Gregory P Smith;Jorge Luque;Chung Park;Jay B Jeffries

  • Kinetics of the reaction hydroxyl + ammonia

    Jay B. Jeffries;Gregory P. Smith

  • OH(OD) + CO: Measurements and an Optimized RRKM Fit

    D. M. Golden;G. P. Smith;A. B. Mcewen;C.-L. Yu

  • Application of RRKM theory to the reactions OH + NO2 + N2 → HONO2 + N2 (1) and ClO + NO2 + N2 → ClONO2 + N2 (2); a modified gorin model transition state

    G. P. Smith;D. M. Golden

  • Absolute CH concentration measurements in low-pressure methane flames: comparisons with model results

    Pamela A. Berg;Deborah A. Hill;Alison R. Noble;Gregory P. Smith

  • LIF measurements in methane/air flames of radicals important in prompt-NO formation

    Dwayne E. Heard;Jay B. Jeffries;Gregory P. Smith;David R. Crosley

  • Laser-induced fluorescence spectroscopy for combustion diagnostics

    David R. Crosley;Gregory P. Smith

  • Bond dissociation energies in ferrocene

    Karan E. Lewis;Gregory P. Smith

  • Lifetimes and transition probabilities for NH(A3Πi-X3Σ−)

    Paul W. Fairchild;Gregory P. Smith;David R. Crosley;Jav B. Jeffries

  • Rotational-level-dependent quenching of OH(A2Σ+) at flame temperatures

    Jay B. Jeffries;Katharina Kohse-Höinghaus;Gregory P. Smith;Richard A. Copeland

  • Laser-powered homogeneous pyrolysis. Thermal studies under homogeneous conditions, validation of the technique, and application to the mechanism of azo compound decomposition

    D. F. McMillen;K. E. Lewis;G. P. Smith;D. M. Golden

  • C2 Swan band laser-induced fluorescence and chemiluminescence in low-pressure hydrocarbon flames

    Gregory P. Smith;Chung Park;Justin Schneiderman;Jorge Luque

  • CH(A-X) and OH(A-X) optical emission in an axisymmetric laminar diffusion flame

    J. Luque;J.B. Jeffries;G.P. Smith;D.R. Crosley

  • Liquid crystal self-assembly of random-sequence DNA oligomers

    Tommaso Bellini;Giuliano Zanchetta;Tommaso P. Fraccia;Roberto Cerbino

  • Laser-induced fluorescence of seeded nitric oxide as a flame thermometer

    M. Tamura;J. Luque;J.E. Harrington;P.A. Berg

  • Quenching of OH (A 2Σ+, v’=0) by H2, N2O, and hydrocarbons at elevated temperatures

    Gregory P. Smith;David R. Crosley

  • Evidence of NCN as a flame intermediate for prompt NO

    Gregory P Smith

Frequent Co-Authors

David R. Crosley
David R. Crosley SRI International
David M. Golden
David M. Golden SRI International
Dwayne E. Heard
Dwayne E. Heard University of Leeds
Michael Frenklach
Michael Frenklach University of California, Berkeley
Michel J. Rossi
Michel J. Rossi Paul Scherrer Institute
Katharina Kohse-Höinghaus
Katharina Kohse-Höinghaus Bielefeld University
Robert W. Dibble
Robert W. Dibble King Abdullah University of Science and Technology
Peter J. Seiler
Peter J. Seiler University of Michigan–Ann Arbor
Douglas E. Kinnison
Douglas E. Kinnison National Center for Atmospheric Research
Andrew Packard
Andrew Packard University of California, Berkeley

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to diverse career paths, many of which can be pursued through specialized online programs. For those interested in healthcare and pharmaceuticals, becoming a pharmacist is a rewarding option, though it requires extensive education. Understanding how much schooling to be a pharmacist helps prospective students plan their academic journey effectively.

Alternatively, the pharmaceutical industry offers roles beyond direct healthcare, such as pharmaceutical sales. Learning about pharmaceutical sales salary and career paths can guide Chemistry graduates toward lucrative positions combining science with business skills.

For those drawn to forensic science and crime investigation, exploring the field through online forensic science courses provides flexibility and access to essential knowledge. In addition, careers such as an autopsy technician offer specialized roles that require focused training. Investigating autopsy technician school details can help students understand the education and job outlook in this niche healthcare sector.

By considering these related degrees and career pathways, Chemistry students can align their studies with emerging opportunities and tailor their education to match professional goals.

Best Scientists Citing Gregory P. Smith

Trending Scientists