World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
80
Citations
17564
World Ranking
3518
National Ranking
196

Jonathan Hadgraft 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 Jonathan Hadgraft 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: 307 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Jonathan Hadgraft 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 Jonathan Hadgraft 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: 80 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Overview

Jonathan Hadgraft is affiliated with University College London in the United Kingdom. Their research focuses on pharmacology, toxicology, pharmaceutics, and medicine, with specific emphasis on pharmaceutical science and dermatology. Their work also intersects with food science, insect science, and organic chemistry.

The main topics addressed by Hadgraft's research include:

  • Advancements in Transdermal Drug Delivery
  • Dermatology and Skin Diseases
  • Advanced Drug Delivery Systems
  • Essential Oils and Antimicrobial Activity
  • Contact Dermatitis and Allergies
  • Bee Products Chemical Analysis
  • Pain Mechanisms and Treatments

Hadgraft has published extensively in journals such as the International Journal of Pharmaceutics, Pharmaceutics, RSC Pharmaceutics, Drug Delivery and Translational Research, and the International Journal of Cosmetic Science.

Recent publications by Hadgraft include:

  • "Ion Pairs for Transdermal and Dermal Drug Delivery: A Review," 2021, Pharmaceutics
  • "Dermal Delivery of Niacinamide-In Vivo Studies," 2021, Pharmaceutics
  • "Thermal analysis of mammalian stratum corneum using differential scanning calorimetry for advancing skin research and drug delivery," 2022, International Journal of Pharmaceutics
  • "Investigation of binary and ternary solvent systems for dermal delivery of methadone," 2020, International Journal of Pharmaceutics
  • "A preliminary investigation into the use of amino acids as potential ion pairs for diclofenac transdermal delivery," 2022, International Journal of Pharmaceutics

Frequent collaborators of Hadgraft include Majella E. Lane, Bruno C. Sil, Mignon Cristofoli, Chin-Ping Kung, and Yanling Zhang. These coauthors have contributed multiple joint publications, reflecting ongoing research partnerships.

Best Publications

  • Crystallization of hydrocortisone acetate: influence of polymers

    S.L Raghavan;A Trividic;A.F Davis;J Hadgraft

  • Skin, the final frontier.

    Jonathan Hadgraft

  • The effect of solutes and polymers on the gelation properties of pluronic F-127 solutions for controlled drug delivery

    Julian C. Gilbert;Julie L. Richardson;Martyn C. Davies;Karen J. Palin

  • Pharmaceutical skin penetration enhancement

    Kenneth A. Walters;Jonathan Hadgraft

  • Passive enhancement strategies in topical and transdermal drug delivery

    Jonathan Hadgraft

  • Percutaneous absorption: in vivo experiments.

    W. John Albery;Jonathan Hadgraft

  • Effect of supersaturation on membrane transport: 1. Hydrocortisone acetate

    A.F. Davis;J. Hadgraft

  • Studies of cyclodextrin inclusion complexes. I. The salbutamol-cyclodextrin complex as studied by phase solubility and DSC

    H.M.Cabral Marques;J. Hadgraft;I.W. Kellaway

  • Drug release from Pluronic F-127 gels

    Julian C. Gilbert;Jonathan Hadgraft;Alan Bye;Leonard G. Brookes

  • Pig ear skin ex vivo as a model for in vivo dermatopharmacokinetic studies in man

    Christophe Herkenne;Aarti Naik;Yogeshvar N. Kalia;Jonathan Hadgraft

  • The relative effect of Azone and Transcutol on permeant diffusivity and solubility in human stratum corneum.

    Julian E. Harrison;Adam C. Watkinson;Darren M. Green;Jonathan Hadgraft

  • Methods for assessing percutaneous absorption: the report and recommendations of ECVAM workshop 13

    Doug Howes;Richard Guy;Jonathan Hadgraft;Jon Heylings

  • Application of microemulsions in dermal and transdermal drug delivery.

    P Santos;A C Watkinson;J Hadgraft;Majella E Lane

  • In vitro and in vivo enhancement of skin permeation with oleic and lauric acids

    Philip G. Green;Richard H. Guy;Jonathan Hadgraft

  • The use of colloidal microgels as a (trans)dermal drug delivery system.

    V. Castro Lopez;J. Hadgraft;M.J. Snowden

  • Interfacial transfer studied with a rotating diffusion cell

    W. John Albery;James F. Burke;Esther B. Leffler;Jonathan Hadgraft

  • Effect of cellulose polymers on supersaturation and in vitro membrane transport of hydrocortisone acetate

    S.L Raghavan;A Trividic;A.F Davis;J Hadgraft

  • pH, pKa and dermal delivery

    Jonathan Hadgraft;Claudia Valenta

  • Evaluation of mucoadhesive polymers in ocular drug delivery. I. Viscous solutions.

    Davies Nm;Farr Sj;Hadgraft J;Kellaway Iw

  • Skin permeation: the years of enlightenment.

    Unknown

  • Epidermal permeability — Penetrant structure relationships: 3. The effect of hydrogen bonding interactions and molecular size on diffusion across the stratum corneum

    W.J. Pugh;M.S. Roberts;J. Hadgraft

Frequent Co-Authors

Richard H. Guy
Richard H. Guy University of Bath
Michael S. Roberts
Michael S. Roberts University of Queensland
Howard I. Maibach
Howard I. Maibach University of California, San Francisco
John C. Mitchell
John C. Mitchell Stanford University
Sergei G. Kazarian
Sergei G. Kazarian Imperial College London
W. John Albery
W. John Albery Imperial College London
Simon Gaisford
Simon Gaisford University College London
S.S. Davis
S.S. Davis University of Nottingham
Thilo Jakob
Thilo Jakob University of Giessen
Michael Heinrich
Michael Heinrich Oregon Health & Science University

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