World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
47
Citations
6345
World Ranking
18788
National Ranking
1347

Akio Iwashima publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Akio Iwashima sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 181 publications — 42nd percentile

42% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Akio Iwashima D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Akio Iwashima sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 47 D-Index — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Akio Iwashima is affiliated with Kyoto Prefectural University of Medicine in Japan. Their academic profile is centered on medical sciences as indicated by their institutional association. Despite the absence of specific information regarding their research topics, publication venues, or detailed fields of study, the affiliation suggests a focus on clinical or biomedical research areas typically associated with medical universities.

There are no recorded recent papers, co-authors, or collaborative networks publicly available. Likewise, there are no listed frequent publication venues or book publications documented for their academic output. This lack of detailed publication data may indicate a limited online footprint or emphasis on internal institutional contributions.

The data does not specify Akio Iwashima's main fields or subfields of study, nor the primary research topics, which makes it challenging to characterize their precise research interests or specialties. There are also no records of awards or honors, which could further delineate career milestones or significant scientific contributions.

While detailed bibliometric indicators and thematic research focuses are missing, it is relevant to note that Akio Iwashima remains an active researcher as they are not marked deceased, implying potential ongoing work within their institution or related medical research settings.

Best Publications

  • Inhibition of the tumor-promoting action of 12-O-tetradecanoylphorbol-13-acetate by some oleanane-type triterpenoid compounds.

    Hoyoku Nishino;Atsuko Nishino;Junko Takayasu;Teiko Hasegawa

  • Potent Preventive Action of α-Carotene against Carcinogenesis: Spontaneous Liver Carcinogenesis and Promoting Stage of Lung and Skin Carcinogenesis in Mice Are Suppressed More Effectively by α-Carotene Than by β-Carotene

    Michiaki Murakoshi;Hoyoku Nishino;Yoshiko Satomi;Junko Takayasu

  • Inhibitory effects of fucoxanthin, a natural carotenoid, on N-myc expression and cell cycle progression in human malignant tumor cells.

    J. Okuzumi;H. Nishino;M. Murakoshi;M. Murakoshi;A. Iwashima

  • Isolation and identification of anti-tumor-promoting principles from the fresh-water cyanobacterium Phormidium tenue

    Hideaki Shirahashi;Nobutoshi Murakami;Miyako Watanabe;Akito Nagatsu

  • Anti-tumour-promoting glyceroglycolipids from the green alga, Chlorella vulgaris

    Takashi Morimoto;Akito Nagatsu;Nobutoshi Murakami;Jinsaku Sakakibara

  • Inhibitory effects of dihydroagarofuran sesquiterpenes on Epstein-Barr virus activation

    Yoshihisa Takaishi;Kunie Ujita;Harukuni Tokuda;Hoyoku Nishino

  • Studies on inhibitors of skin tumor promotion, IX. Neolignans from Magnolia officinalis.

    Takao Konoshima;Mutsuo Kozuka;Harukuni Tokuda;Hoyoku Nishino

  • Inhibitory Effects of α-Carotene on Proliferation of the Human Neuroblastoma Cell Line GOTO

    Michiaki Murakoshi;Junko Takayasu;Osamu Kimura;Emiko Kohmura

  • Anti-Tumor-Promotion by Principles Obtained from Angelica keiskei

    T. Okuyama;M. Takata;J. Takayasu;T. Hasegawa

  • Inhibitory Effect of Natural Carotenoids on Epstein-Barr Virus Activation Activity of a Tumor Promoter in Raji Cells. A Screening Study for Anti-tumor Promoters

    Miyuki Tsushima;Takashi Maoka;Masaaki Katsuyama;Mutsuo Kozuka

  • Carrier-mediated transport of thiamine in baker's yeast

    Akio Iwashima;Hoyoki Nishino;Yoshitsugu Nose

  • INHIBITORY EFFECTS OF LICOCHALCONE A ISOLATED FROM GLYCYRRHIZA INFLATA ROOT ON INFLAMMATORY EAR EDEMA AND TUMOUR PROMOTION IN MICE

    S Shibata;H Inoue;S Iwata;R D Ma

  • Isolation and characterization of a thiamin pyrophosphokinase gene, THI80, from Saccharomyces cerevisiae.

    K Nosaka;Y Kaneko;H Nishimura;A Iwashima

  • Isothiocyanates inhibit cell cycle progression of HeLa cells at G2/M phase

    Teiko Hasegawa;Hoyoku Nishino;Akio Iwashima

  • Inhibitors of Skin-Tumor Promotion. VIII. : Inhibitory Effects of Euglobals and Their Related Compounds on Epstein-Barr Virus Activation. (1)

    Midori Takasaki;Takao Konoshima;Kazuyoshi Fujitani;Shigeo Yoshida

  • Antitumor-promoting activity of glycyrrhetic acid in mouse skin tumor formation induced by 7,12-dimethylbenz[a]anthracene plus teleocidin.

    Hoyoku Nishino;Kouichiro Kitagawa;Akio Iwashima

  • Inhibition by squalene of the tumor-promoting activity of 12-O-tetradecanoylphorbol-13-acetate in mouse-skin carcinogenesis.

    Michiaki Murakoshi;Hoyoku Nishino;Harukuni Tokuda;Akio Iwashima

  • Isolation and characterization of the THI6 gene encoding a bifunctional thiamin-phosphate pyrophosphorylase/hydroxyethylthiazole kinase from Saccharomyces cerevisiae.

    K Nosaka;H Nishimura;Y Kawasaki;T Tsujihara

  • Berberine Sulfate Inhibits Tumor-Promoting Activity of Teleocidin in Two-Stage Carcinogenesis on Mouse Skin

    H Nishino;K Kitagawa;H Fujiki;A Iwashima

  • Antitumor-Promoting Activity of Garlic Extracts

    H. Nishino;A. Iwashima;Y. Itakura;H. Matsuura

Frequent Co-Authors

Hoyoku Nishino
Hoyoku Nishino Kyoto Prefectural University of Medicine
Harukuni Tokuda
Harukuni Tokuda Kyoto University
Koichi Koshimizu
Koichi Koshimizu Kindai University
Hirota Fujiki
Hirota Fujiki National Cancer Research Institute, UK
Takashi Sugimura
Takashi Sugimura National Cancer Centre
Yoshihisa Takaishi
Yoshihisa Takaishi University of Tokushima
Shigeo Yoshida
Shigeo Yoshida Kurume University
Koichi Yoneyama
Koichi Yoneyama Ehime University
Toshio Tanaka
Toshio Tanaka Mie University

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