World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
60
Citations
11855
World Ranking
9762
National Ranking
554

Robert J. Nash 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 Robert J. Nash 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: 250 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Robert J. Nash 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 Robert J. Nash 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: 60 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Best Publications

  • Sugar-mimic glycosidase inhibitors: natural occurrence, biological activity and prospects for therapeutic application

    Naoki Asano;Robert J Nash;Russell J Molyneux;George W.J Fleet

  • Polyhydroxylated alkaloids -- natural occurrence and therapeutic applications.

    Alison A. Watson;George W.J. Fleet;Naoki Asano;Russell J. Molyneux

  • Polyhydroxylated alkaloids isolated from mulberry trees (Morusalba L.) and silkworms (Bombyx mori L.).

    Unknown

  • Iminosugars as therapeutic agents: recent advances and promising trends

    Robert J Nash;Atsushi Kato;Chu-Yi Yu;George Wj Fleet

  • Potent competitive inhibition of α-galactosidase and α-glucosidase activity by 1,4-dideoxy-1,4-iminopentitols: syntheses of 1,4-dideoxy-1,4-imino-d-lyxitol and of both enantiomers of 1,4-dideoxy-1,4-iminoarabinitol

    G.W.J. Fleet;S.J. Nicholas;P.W. Smith;S.V. Evans

  • Protective Effects of Dietary Chamomile Tea on Diabetic Complications

    Atsushi Kato;Yuka Minoshima;Jo Yamamoto;Isao Adachi

  • New polyhydroxylated pyrrolizidine alkaloids from Muscari armeniacum: structural determination and biological activity

    Naoki Asano;Hiroyo Kuroi;Kyoko Ikeda;Haruhisa Kizu

  • Alkaloidal components in the poisonous plant, Ipomoea carnea (Convolvulaceae).

    Mitsue Haraguchi;Silvana Lima Górniak;Kyoko Ikeda;Yasuhiro Minami

  • Polyhydroxylated pyrrolidine and pyrrolizidine alkaloids from Hyacinthoides non-scripta and Scilla campanulata

    Atsushi Kato;Isao Adachi;Miwa Miyauchi;Kyoko Ikeda

  • Inhibition of mammalian digestive disaccharidases by polyhydroxy alkaloids

    A.M. Scofield;L.E. Fellows;R.J. Nash;G.W.J. Fleet

  • Isolation from and x-ray crystal structure of alexine, (1r,2r,3r,7s,8s)-3-hydroxymethyl-1,2,7-trihydroxypyrrolizidine [(2r,3r,4r,5s,6s)-2-hydroxymethyl-1-azabicyclo[3.3.0]octan-3,4,6-triol], a unique pyrrolizidine alkaloid

    R.J Nash;L.E Fellows;J.V Dring;G.W.J Fleet

  • New polyhydroxylated pyrrolidine, piperidine, and pyrrolizidine alkaloids from Scilla sibirica.

    Toru Yamashita;Kayo Yasuda;Haruhisa Kizu;Yukihiko Kameda

  • Inhibition of UDP-Gal Mutase and Mycobacterial Galactan Biosynthesis by Pyrrolidine Analogues of Galactofuranose

    Richard E Lee;Martin D. Smith;Robert J. Nash;Rhodri C. Griffiths

  • Antimicrobial activity of pentacyclic triterpenes isolated from African Combretaceae

    Unknown

  • Specific alpha-galactosidase inhibitors, N-methylcalystegines--structure/activity relationships of calystegines from Lycium chinense.

    Naoki Asano;Atsushi Kato;Miwa Miyauchi;Haruhisa Kizu

  • Nitrogen-containing furanose and pyranose analogues from Hyacinthus orientalis

    Naoki Asano;Atsushi Kato;Miwa Miyauchi;Haruhisa Kizu

  • Casuarine: A very highly oxygenated pyrrolizidine alkaloid

    Robert J. Nash;Paul I. Thomas;Roger D. Waigh;George W.J. Fleet

  • Homonojirimycin Isomers and Glycosides from Aglaonema treubii

    Naoki Asano;Makoto Nishida;Haruhisa Kizu;Katsuhiko Matsui

  • Polyhydroxylated pyrrolidine and piperidine alkaloids from Adenophora triphylla var. japonica (Campanulaceae).

    Naoki Asano;Makoto Nishida;Miwa Miyauchi;Kyoko Ikeda

  • Australine and related alkaloids: easy structural confirmation by 13C NMR spectral data and biological activities

    Atsushi Kato;Erika Kano;Isao Adachi;Russell J. Molyneux

Frequent Co-Authors

George W. J. Fleet
George W. J. Fleet University of Oxford
Atsushi Kato
Atsushi Kato University of Toyama
Naoki Asano
Naoki Asano Hokuriku University
Mark R. Wormald
Mark R. Wormald University of Oxford
Haruhisa Kizu
Haruhisa Kizu Hokuriku University
Satyajit D. Sarker
Satyajit D. Sarker Liverpool John Moores University
Russell J. Molyneux
Russell J. Molyneux University of Hawaii at Hilo
Terry D. Butters
Terry D. Butters University of Oxford
Gurdyal S. Besra
Gurdyal S. Besra University of Birmingham
Patrick J. Brennan
Patrick J. Brennan Colorado State University

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