World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
73
Citations
18370
World Ranking
4983
National Ranking
1554

Larry K. Keefer 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 Larry K. Keefer 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: 348 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Larry K. Keefer 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 Larry K. Keefer 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: 73 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Overview

Larry K. Keefer was a researcher affiliated with Science Applications International Corporation in the United States. Throughout their career, they contributed to scientific knowledge specifically through publications in notable academic venues.

Their recent publication record includes a paper titled Index, Volume 28, 2023, published in 2023 in the journal Critical Reviews™ in Oncogenesis. This paper reflected their engagement with topics related to oncogenesis and critical reviews within that domain.

Frequent collaborations were a part of their scientific activity. Some of the coauthors who worked with Larry K. Keefer multiple times were:

  • Paul J. Shami
  • Khosrow Kashfi
  • Paul Shami Bio
  • Bio Vii
  • Karen Keefer Tribute

Larry K. Keefer published primarily in the venue Critical Reviews™ in Oncogenesis. This indicates a focus on critical evaluation and review of research related to cancer and its biological mechanisms.

Best Publications

  • Complexes of 'NO with Nucleophiles as Agents for the Controlled Biological Release of Nitric Oxide. Vasorelaxant Effects

    Chris M. Maragos;Deborah Morley;David A. Wink;Tambra M. Dunams

  • New nitric oxide-releasing zwitterions derived from polyamines

    Joseph A. Hrabie;John R. Klose;David A. Wink;Larry K. Keefer

  • "NONOates" (1-substituted diazen-1-ium-1,2-diolates) as nitric oxide donors: convenient nitric oxide dosage forms

    Larry K. Keefer;Raymond W. Nims;Keith M. Davies;David A. Wink

  • Chemistry of the nitric oxide-releasing diazeniumdiolate ("nitrosohydroxylamine") functional group and its oxygen-substituted derivatives.

    Joseph A. Hrabie;Larry K. Keefer

  • Preparation and characterization of hydrophobic polymeric films that are thromboresistant via nitric oxide release

    Kelly A. Mowery;Mark H. Schoenfisch;Joseph E. Saavedra;Larry K. Keefer

  • Complexes of nitric oxide with nucleophiles as agents for the controlled biological release of nitric oxide: hemodynamic effect in the rabbit.

    Jean G. Diodati;Arshed A. Quyyumi;Larry K. Keefer

  • Quantitative Measurement of Endogenous Estrogens and Estrogen Metabolites in Human Serum by Liquid Chromatography-Tandem Mass Spectrometry

    Xia Xu;John M. Roman;Haleem J. Issaq;Larry K. Keefer

  • Measuring fifteen endogenous estrogens simultaneously in human urine by high-performance liquid chromatography-mass spectrometry.

    Xia Xu;Timothy D Veenstra;Stephen D Fox;John M Roman

  • Nitric Oxide-Releasing Polymers Containing the (N(O)NO) - Group

    Daniel J. Smith;Debashish Chakravarthy;Sharon Pulfer;Maia L. Simmons

  • Key bioactive reaction products of the NO/H2S interaction are S/N-hybrid species, polysulfides, and nitroxyl

    Miriam M. Cortese-Krott;Gunter G. C. Kuhnle;Alex Dyson;Bernadette O. Fernandez

  • Chemistry of the diazeniumdiolates. 2. Kinetics and mechanism of dissociation to nitric oxide in aqueous solution.

    Keith M. Davies;David A. Wink;and Joseph E. Saavedra;Larry K. Keefer

  • Implants, prostheses, and stents comprising polymer-bound nitric oxide/nucleophile adducts capable of releasing nitric oxide

    Larry K. Keefer;Joseph A. Hrabie

  • Hypoxic Mammalian Cell Radiosensitization by Nitric Oxide

    James B. Mitchell;David A. Wink;William DeGraff;Janet Gamson

  • Overexpression of glutathione S-transferase II and multidrug resistance transport proteins is associated with acquired tolerance to inorganic arsenic.

    Jie Liu;Hua Chen;David S. Miller;Joseph E. Saavedra

  • Esterase-sensitive nitric oxide donors of the diazeniumdiolate family: in vitro antileukemic activity.

    Joseph E. Saavedra;Paul J. Shami;Lai Yi Wang;Keith M. Davies

  • Polymer-bound nitric oxide/nucleophile adduct compositions, pharmaceutical compositions incorporating same and methods of treating biological disorders using same

    Larry K. Keefer;Joseph A. Hrabie

  • Diazeniumdiolates: pro- and antioxidant applications of the "NONOates".

    Anthony L. Fitzhugh;Larry K. Keefer

  • Nitric oxide/nucleophile complexes: a unique class of nitric oxide-based vasodilators

    Deborah Morley;Larry K. Keefer

  • Differential effects of nonselective nitric oxide synthase (NOS) and selective inducible NOS inhibition on hepatic necrosis, apoptosis, ICAM-1 expression, and neutrophil accumulation during endotoxemia.

    Junhai Ou;Timothy M. Carlos;Simon C. Watkins;Joseph E. Saavedra

  • Induction of proliferative lesions of the uterus, testes, and liver in Swiss mice given repeated injections of sodium arsenate : Possible estrogenic mode of action

    Michael P. Waalkes;Larry K. Keefer;Bhalchandra A. Diwan

  • The preparation and properties of some nitrosamino acids.

    Unknown

Frequent Co-Authors

Joseph E. Saavedra
Joseph E. Saavedra National Institutes of Health
David A. Wink
David A. Wink National Institutes of Health
Michael P. Waalkes
Michael P. Waalkes National Institutes of Health
Clifford George
Clifford George United States Naval Research Laboratory
Peter P. Roller
Peter P. Roller National Institutes of Health
Xinhua Ji
Xinhua Ji National Institutes of Health
Jeffrey R. Deschamps
Jeffrey R. Deschamps United States Naval Research Laboratory
Paul Kleihues
Paul Kleihues University of Zurich
Timothy D. Veenstra
Timothy D. Veenstra Lake Erie College of Osteopathic Medicine
Judith L. Flippen-Anderson
Judith L. Flippen-Anderson United States Naval Research Laboratory

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