World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
56
Citations
8003
World Ranking
11937
National Ranking
886

Koji Kaya 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 Koji Kaya 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: 165 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Koji Kaya 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 Koji Kaya 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: 56 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Overview

Koji Kaya is affiliated with the National Institutes of Natural Sciences in Japan. Their research work primarily focuses on materials science and engineering, with a significant emphasis on biomedical engineering and molecular biology. The scientist's contributions span both fundamental and applied aspects in these fields, particularly related to biosensors and analytical detection.

The main topics covered in their publications include:

  • Biosensors and Analytical Detection
  • Nanoparticle-Based Drug Delivery
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • SARS-CoV-2 detection and testing
  • Advanced biosensing and bioanalysis techniques
  • Advanced Chemical Sensor Technologies
  • Analytical Chemistry and Sensors

Koji Kaya has coauthored works with several frequent collaborators, among them Ezgi Ayni, Nimet Yildirim, Erdal Demir, Ehsan Sanattalab, and İsmail KAYA. This collaboration network reflects cross-disciplinary efforts spanning chemistry, nanotechnology, and health-related research.

The scientist has published multiple papers in recognized journals. Notable recent papers include:

  • Applications of Magnetic Nanocomposites and Their Role in Advancing Lateral Flow Assays, 2025, ChemistrySelect
  • Enhanced electrochemical detection of SARS-CoV-2 IgG using magnetic nanocomplexes: evaluation of preparation processes and sensor stability, 2025, Journal of Nanoparticle Research
  • RESEARCHING THE ATTITUDES OF WRESTLERS STUDYING AT THE FACULTY OF SPORTS SCIENCES OF KUTAHYA DUMLUPİNAR UNİVERSİTY TOWARDS HEALTHY NUTRITION, 2025, PONTE International Scientific Researchs Journal
  • RESEARCH ON THE ATTİTUDES OF WOMEN WHO REGULARLY EXERCİSE İN GYMS TOWARDS HEALTHY NUTRİTİON (BİLECİK CİTY CENTER EXAMPLE), 2025, PONTE International Scientific Researchs Journal

Other frequent avenues for publishing include Physica Scripta and the Journal of Micromechanics and Microengineering, with contributions primarily related to materials science and nanoscale analysis.

Their work often involves topics linked to surfaces, coatings, films, and biomaterials, integrating advanced chemical sensor technologies and biosensing techniques for innovative diagnostic and analytical tools.

Koji Kaya's research intersects several subfields including:

  • Biomedical Engineering
  • Molecular Biology
  • Surfaces, Coatings and Films
  • Biomaterials
  • Infectious Diseases

The multidisciplinary approach seen in Kaya's publications highlights a focus not only on material development but also on practical applications in health sciences, particularly in the detection and analysis of infectious agents such as SARS-CoV-2.

Best Publications

  • A Novel Network Structure of Organometallic Clusters in the Gas Phase

    Atsushi Nakajima;Koji Kaya

  • Geometric and electronic structures of metal (M)-doped silicon clusters (M=Ti, Hf, Mo and W)

    Michiaki Ohara;Kiichirou Koyasu;Atsushi Nakajima;Koji Kaya

  • Electronic Properties of Organometallic Metal−Benzene Complexes [Mn(benzene)m (M = Sc−Cu)]

    Tsuyoshi Kurikawa;Hiroaki Takeda;Masaaki Hirano;Ken Judai

  • Ferromagnetism in one-dimensional vanadium-benzene sandwich clusters

    Ken Miyajima;Atsushi Nakajima;Satoshi Yabushita;Mark B. Knickelbein

  • Dynamics of double-proton-transfer reaction in the excited-state model hydrogen-bonded base pairs

    Kiyokazu Fuke;Koji Kaya

  • Structures and Ionization Energies of Sandwich Clusters (Vn(benzene)m)

    Kuniyoshi Hoshino;Tsuyoshi Kurikawa;Hiroaki Takeda;Atsushi Nakajima

  • ELECTRONIC SPECTRA AND TAUTOMERISM OF HYDROGEN-BONDED COMPLEXES OF 7-AZAINDOLE IN A SUPERSONIC JET

    K. Fuke;H. Yoshiuchi;K. Kaya

  • Electronic absorption spectra of phenol(H2O)n and (phenol)n as studied by the MS MPI method

    Kiyokazu Fuke;Koji Kaya

  • Ionization potentials of aluminum–sodium bimetallic clusters (AlnNam)

    Atsushi Nakajima;Kuniyoshi Hoshino;Takashi Naganuma;Yasutomo Sone

  • Geometric and Electronic Structures of Terbium−Silicon Mixed Clusters (TbSin; 6 ≤ n ≤ 16)

    M. Ohara;K. Miyajima;A. Pramann;A. Nakajima

  • Multiple-Decker Sandwich Poly-Ferrocene Clusters

    Satoshi Nagao;and Akiko Kato;Atsushi Nakajima;Koji Kaya

  • Multiple-Decker Sandwich Complexes of Lanthanide−1,3,5,7-Cyclooctatetraene [Lnn(C8H8)m] (Ln = Ce, Nd, Eu, Ho, and Yb); Localized Ionic Bonding Structure

    Tsuyoshi Kurikawa;Yuichi Negishi;Fumitaka Hayakawa;Satoshi Nagao

  • Electronic spectra of van der Waals molecules HgNe, HgAr, and HgKr in a supersonic jet

    Kiyokazu Fuke;Takayuki Saito;Koji Kaya

  • Electronic spectra and molecular structure of biphenyl and para-substituted biphenyls in a supersonic jet

    Yuichiro Takei;Tetsuya Yamaguchi;Yoshihiro Osamura;Kiyokazu Fuke

  • Vacuum Ultraviolet Absorption Spectra of Saturated Organic Compounds with Non-bonding Electrons

    Hiroshi Tsubomura;Katsumi Kimura;Koji Kaya;Jiro Tanaka

  • Photoelectron spectroscopy of (C6F6)−n and (Au-C6F6)− clusters

    Atsushi Nakajima;T. Taguwa;K. Hoshino;T. Sugioka

  • Photoelectron spectroscopy of gold-silver binary cluster anions (AunAgm-; 2 ≤ n + m ≤ 4)

    Yuichi Negishi;Yoshiaki Nakamura;Atsushi Nakajima;Koji Kaya

  • High-Resolution Laser-Induced Fluorescence Spectra of 7-Azaindole−Water Complexes and 7-Azaindole Dimer

    A. Nakajima;M. Hirano;R. Hasumi;K. Kaya

  • Geometric and electronic structures of silicon–sodium binary clusters. I. Ionization energy of SinNam

    Reiko Kishi;Suehiro Iwata;Atsushi Nakajima;Koji Kaya

  • Photoelectron spectroscopy of palladium-doped gold cluster anions; AunPd− (n=1–4)

    Kiichirou Koyasu;Masaaki Mitsui;Atsushi Nakajima;Koji Kaya

  • A NOVEL NETWORK STRUCTURE OF ORGANOMETALLIC CLUSTERS IN GAS PHASE

    K. Kaya;S. Nagao;Y. Negishi;K. Judai

Frequent Co-Authors

Atsushi Nakajima
Atsushi Nakajima Keio University
Yuichi Negishi
Yuichi Negishi Tokyo University of Science
Suehiro Iwata
Suehiro Iwata Keio University
Mitsuo Ito
Mitsuo Ito Tohoku University
Naohiko Mikami
Naohiko Mikami Tohoku University
Terry A. Miller
Terry A. Miller The Ohio State University
Michael A. Duncan
Michael A. Duncan University of Georgia
Shinji Hayashi
Shinji Hayashi Kobe University
Minoru Fujii
Minoru Fujii Kobe University
Benoit Simard
Benoit Simard National Research Council Canada

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