World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
51
Citations
10087
World Ranking
17117
National Ranking
1234

Naoaki Yokoyama 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 Naoaki Yokoyama 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: 335 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Naoaki Yokoyama 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 Naoaki Yokoyama 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: 51 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Gene
  • Enzyme
  • DNA

His main research concerns Virology, Babesia, Babesia bovis, Microbiology and Babesia bigemina. His Virology research integrates issues from Molecular biology, Antibody and Polymerase chain reaction, Nested polymerase chain reaction. His biological study spans a wide range of topics, including Babesiosis, Diminazene and Parasitemia.

His Babesia bovis study combines topics in areas such as Rhoptry, Apicomplexa and Cell biology. His Microbiology research incorporates elements of Toxoplasma gondii, In vitro and In vivo. The various areas that Naoaki Yokoyama examines in his Babesia bigemina study include Apical membrane and Serology.

His most cited work include:

  • Open Source Drug Discovery with the Malaria Box Compound Collection for Neglected Diseases and Beyond. (257 citations)
  • Development of a multiplex loop-mediated isothermal amplification (mLAMP) method for the simultaneous detection of bovine Babesia parasites. (133 citations)
  • Cell Cycle Regulation of Human CDC6 Protein INTRACELLULAR LOCALIZATION, INTERACTION WITH THE HUMAN MCM COMPLEX, AND CDC2 KINASE-MEDIATED HYPERPHOSPHORYLATION (108 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Virology, Babesia, Babesia bovis, Molecular biology and Babesiosis. His Virology research includes elements of Gene, Recombinant DNA, Polymerase chain reaction, Antigen and Antibody. His research in Babesia intersects with topics in In vivo, Parasitemia, Microbiology and Theileria.

His study looks at the relationship between Microbiology and fields such as In vitro, as well as how they intersect with chemical problems. As a part of the same scientific study, Naoaki Yokoyama usually deals with the Babesia bovis, concentrating on Babesia bigemina and frequently concerns with Cattle Diseases. His studies deal with areas such as Biochemistry, DNA, Blot, Complementary DNA and Western blot as well as Molecular biology.

He most often published in these fields:

  • Virology (43.39%)
  • Babesia (33.56%)
  • Babesia bovis (33.22%)

What were the highlights of his more recent work (between 2018-2021)?

  • Veterinary medicine (18.31%)
  • In vitro (15.93%)
  • Babesia (33.56%)

In recent papers he was focusing on the following fields of study:

Naoaki Yokoyama spends much of his time researching Veterinary medicine, In vitro, Babesia, Babesia bovis and Theileria. His Veterinary medicine research includes themes of Livestock, Serology, Epidemiology and Theileria annulata. His In vitro study combines topics from a wide range of disciplines, such as Clofazimine, Malaria, Pharmacology and Microbiology.

His work carried out in the field of Babesia brings together such families of science as Mefloquine, Artemisinin, Lumefantrine and Primaquine. His work deals with themes such as IC50, Artesunate, Tafenoquine and Babesia bigemina, which intersect with Babesia bovis. The concepts of his Theileria study are interwoven with issues in Cell division cycle, Atovaquone, Loop-mediated isothermal amplification, Parasitemia and In vivo.

Between 2018 and 2021, his most popular works were:

  • Ellagic acid microspheres restrict the growth of Babesia and Theileria in vitro and Babesia microti in vivo. (25 citations)
  • A Review on Equine Piroplasmosis: Epidemiology, Vector Ecology, Risk Factors, Host Immunity, Diagnosis and Control. (25 citations)
  • Inhibitory effects of Syzygium aromaticum and Camellia sinensis methanolic extracts on the growth of Babesia and Theileria parasites (17 citations)

In his most recent research, the most cited papers focused on:

  • Gene
  • Enzyme
  • DNA

Naoaki Yokoyama mostly deals with Theileria, Babesia, In vitro, In vivo and Clofazimine. The Theileria study combines topics in areas such as IC50 and Virology. His IC50 study also includes fields such as

  • Molecular biology that intertwine with fields like Antiprotozoal,
  • EC50 together with Syzygium, Babesia bovis and Toxicity.

His Virology study integrates concerns from other disciplines, such as Ecology and Disease. His In vitro research incorporates elements of Antioxidant, Malaria, Pharmacology and Imidocarb dipropionate. The study incorporates disciplines such as Atovaquone, Combination chemotherapy and Parasitemia in addition to Clofazimine.

Best Publications

  • Open Source Drug Discovery with the Malaria Box Compound Collection for Neglected Diseases and Beyond.

    Wesley C. Van Voorhis;John H. Adams;Roberto Adelfio;Roberto Adelfio;Vida Ahyong

  • Evolution and genetic diversity of Theileria.

    Thillaiampalam Sivakumar;Kyoko Hayashida;Chihiro Sugimoto;Naoaki Yokoyama

  • Development of a multiplex loop-mediated isothermal amplification (mLAMP) method for the simultaneous detection of bovine Babesia parasites.

    Hiroshi Iseki;Andy Alhassan;Naomi Ohta;Oriel M.M. Thekisoe

  • Development of a single-round and multiplex PCR method for the simultaneous detection of Babesia caballi and Babesia equi in horse blood.

    Andy Alhassan;Wilawan Pumidonming;Masashi Okamura;Haruyuki Hirata

  • Epidemiological survey of Theileria orientalis infection in grazing cattle in the eastern part of Hokkaido, Japan.

    Naomi Ota;Daisuke Mizuno;Noritaka Kuboki;Ikuo Igarashi

  • Molecular and serological prevalence of Babesia bovis and Babesia bigemina in water buffaloes in the northeast region of Thailand.

    Mohamad Alaa Terkawi;Nguyen Xuan Huyen;Cao Shinuo;Tawin Inpankaew

  • Cell Cycle Regulation of Human CDC6 Protein INTRACELLULAR LOCALIZATION, INTERACTION WITH THE HUMAN MCM COMPLEX, AND CDC2 KINASE-MEDIATED HYPERPHOSPHORYLATION

    Masatoshi Fujita;Chieko Yamada;Hidemasa Goto;Naoaki Yokoyama

  • Erythrocyte invasion by Babesia parasites: current advances in the elucidation of the molecular interactions between the protozoan ligands and host receptors in the invasion stage.

    Naoaki Yokoyama;Masashi Okamura;Ikuo Igarashi

  • A Review on Equine Piroplasmosis: Epidemiology, Vector Ecology, Risk Factors, Host Immunity, Diagnosis and Control.

    ThankGod E Onyiche;Keisuke Suganuma;Ikuo Igarashi;Naoaki Yokoyama

  • Development of loop-mediated isothermal amplification (LAMP) method for diagnosis of equine piroplasmosis.

    Andy Alhassan;Oriel M.M. Thekisoe;Naoaki Yokoyama;Noboru Inoue

  • Mapping of antigenic sites involved in neutralization on the capsid protein of feline calicivirus

    Yukinobu Tohya;Naoaki Yokoyama;Ken Maeda;Yasushi Kawaguchi

  • Cellular Localization of Babesia bovis Merozoite Rhoptry-Associated Protein 1 and Its Erythrocyte-Binding Activity

    Naoaki Yokoyama;Boonchit Suthisak;Haruyuki Hirata;Tomohide Matsuo

  • An epidemiological survey of bovine Babesia and Theileria parasites in cattle, buffaloes, and sheep in Egypt

    Ahmed Elsify;Thillaiampalam Sivakumar;Mohammed Nayel;Akram Salama

  • Molecular Epidemiological Survey of Theileria orientalis in Thua Thien Hue Province, Vietnam

    Altangerel Khukhuu;Dinh Thi Bich Lan;Phung Thang Long;Akio Ueno

  • Intraperitoneal immunization with oligomannose-coated liposome-entrapped soluble leishmanial antigen induces antigen-specific T-helper type immune response in BALB/c mice through uptake by peritoneal macrophages

    Y. Shimizu;H. Takagi;T. Nakayama;K. Yamakami

  • Rapid Immunochromatographic Test Using Recombinant SAG2 for Detection of Antibodies against Toxoplasma gondii in Cats

    Xiaohong Huang;Xiaohong Huang;Xuenan Xuan;Haruyuki Hirata;Naoaki Yokoyama

  • Diagnostic real-time PCR assay for the quantitative detection of Theileria equi from equine blood samples.

    Chul-min Kim;Lidia Beatriz Conza Blanco;Andy Alhassan;Hiroshi Iseki

  • GROWTH INHIBITORY EFFECT OF TRICLOSAN ON EQUINE AND BOVINE BABESIA PARASITES

    Sabine Bork;Naoaki Yokoyama;Tomohide Matsuo;Florencia G. Claveria

  • Comparative evaluation of the sensitivity of LAMP, PCR and in vitro culture methods for the diagnosis of equine piroplasmosis.

    Andy Alhassan;Yadav Govind;Nguyen Thanh Tam;Oriel M. M. Thekisoe

  • Inhibitory effect of terpene nerolidol on the growth of Babesia parasites

    Mahmoud AbouLaila;Thillaiampalam Sivakumar;Naoaki Yokoyama;Ikuo Igarashi

Frequent Co-Authors

Ikuo Igarashi
Ikuo Igarashi Obihiro University of Agriculture and Veterinary Medicine
Xuenan Xuan
Xuenan Xuan Obihiro University of Agriculture and Veterinary Medicine
Mahmoud AbouLaila
Mahmoud AbouLaila Damanhour University
Kozo Fujisaki
Kozo Fujisaki National Agriculture and Food Research Organization
Chihiro Sugimoto
Chihiro Sugimoto Hokkaido University
Hisashi Inokuma
Hisashi Inokuma University of Tokyo
Yuzuru Ikehara
Yuzuru Ikehara Chiba University
Hiroshi Suzuki
Hiroshi Suzuki Obihiro University of Agriculture and Veterinary Medicine
Tawin Inpankaew
Tawin Inpankaew Kasetsart University
Sathaporn Jittapalapong
Sathaporn Jittapalapong Kasetsart University

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