World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
49
Citations
7462
World Ranking
14951
National Ranking
1166

Masaaki Fujii 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 Masaaki Fujii 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: 325 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Masaaki Fujii 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 Masaaki Fujii 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: 49 D-Index — 19th percentile

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

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

Overview

Masaaki Fujii is a researcher affiliated with the Tokyo Institute of Technology in Japan, specializing in the fields of chemistry and biochemistry, genetics, and molecular biology. Their work spans multiple subfields, including spectroscopy, molecular biology, atomic and molecular physics and optics, electrical and electronic engineering, and physical and theoretical chemistry.

Their research focuses on several main topics, particularly mass spectrometry techniques and applications, spectroscopy and quantum chemical studies, advanced chemical physics studies, ion channel regulation and function, nicotinic acetylcholine receptors study, analytical chemistry and chromatography, and photochemistry and electron transfer studies.

Fujii's recent publications illustrate the scope of their investigative interests and experimental techniques. These include:

  • "Rethinking Ion Transport by Ionophores: Experimental and Computational Investigation of Single Water Hydration in Valinomycin-K+ Complexes" (2021, The Journal of Physical Chemistry Letters)
  • "Identification of a tomato UDP-arabinosyltransferase for airborne volatile reception" (2023, Nature Communications)
  • "Chiral discrimination between tyrosine and β-cyclodextrin revealed by cryogenic ion trap infrared spectroscopy" (2020, Physical Chemistry Chemical Physics)
  • "Alkali and Alkaline Earth Metal Ions Complexes with a Partial Peptide of the Selectivity Filter in K+ Channels Studied by a Cold Ion Trap Infrared Spectroscopy" (2020, ChemPhysChem)
  • "Double Ion Trap Laser Spectroscopy of Alkali Metal Ion Complexes with a Partial Peptide of the Selectivity Filter in K+ ChannelsTemperature Effect and Barrier for Conformational Conversions" (2021, The Journal of Physical Chemistry A)

Throughout their career, Fujii has frequently collaborated with several co-authors, including:

  • Shun-ichi Ishiuchi (55 joint publications)
  • Keisuke Hirata (44 joint publications)
  • James M. Lisy (17 joint publications)
  • Otto Dopfer (9 joint publications)
  • Gilles Grégoire (9 joint publications)

Their work has been published in a variety of notable scientific journals, particularly:

  • Physical Chemistry Chemical Physics (16 publications)
  • The Journal of Physical Chemistry A (11 publications)
  • The Journal of Physical Chemistry Letters (10 publications)
  • ChemPhysChem (6 publications)
  • Journal of the American Chemical Society (4 publications)

Masaaki Fujii's research extensively utilizes spectroscopy and mass spectrometry to explore molecular mechanisms, especially ion transport and ion channel functions. Their investigations often involve sophisticated experimental tools such as ion trap infrared spectroscopy and laser spectroscopy to study metal ion complexes and peptide interactions related to selectivity filters in potassium channels.

Best Publications

  • OH stretching vibrations of phenol-(H2O)n (n=1-3) complexes observed by IR-UV double-resonance spectroscopy

    Shigeki Tanabe;Takayuki Ebata;Masaaki Fujii;Naohiko Mikami

  • Keto-enol tautomer of uracil and thymine

    Yuko Tsuchiya;Teruhiko Tamura;Masaaki Fujii;Mitsuo Ito

  • Plugging a Molecular Wire into Photosystem I: Reconstitution of the Photoelectric Conversion System on a Gold Electrode

    Nao Terasaki;Noritaka Yamamoto;Takashi Hiraga;Yoshinori Yamanoi

  • Bio-photosensor: Cyanobacterial photosystem I coupled with transistor via molecular wire

    Nao Terasaki;Noritaka Yamamoto;Kaoru Tamada;Mineyuki Hattori

  • Excited state hydrogen transfer dynamics in substituted phenols and their complexes with ammonia: ππ∗-πσ∗ energy gap propensity and ortho-substitution effect

    G. A. Pino;A. N. Oldani;E. Marceca;M. Fujii

  • Electronic spectra of uracil in a supersonic jet

    Masaaki Fujii;Teruhiko Tamura;Naohiko Mikami;Mitsuo Ito

  • Probing Solvation Dynamics around Aromatic and Biological Molecules at the Single-Molecular Level

    Otto Dopfer;Masaaki Fujii

  • Structure of Hydrogen-Bonded Clusters of 7-Azaindole Studied by IR Dip Spectroscopy and ab Initio Molecular Orbital Calculation

    Hiroshi Yokoyama;Hidekazu Wantanabe;Takuichiro Omi;Shun-ichi Ishiuchi

  • Internal rotation of the methyl group in fluorotoluene cations as studied by pulsed field ionization‐zero kinetic energy spectroscopy

    Ken Takazawa;Masaaki Fujii;Mitsuo Ito

  • Two-point-separation in super-resolution fluorescence microscope based on up-conversion fluorescence depletion technique

    Takeshi Watanabe;Yoshinori Iketaki;Takashige Omatsu;Kimihisa Yamamoto

  • Probing stepwise complexation in phenylazomethine dendrimers by a metallo-porphyrin core.

    Takane Imaoka;Reiko Tanaka;Sachiko Arimoto;Makoto Sakai

  • Real-time observation of ionization-induced hydrophobic-->hydrophilic switching.

    Shun Ichi Ishiuchi;Makoto Sakai;Yuji Tsuchida;Akihiro Takeda

  • Super-resolution microscope system and method for illumination

    Yoshinori Iketaki;Masaaki Fujii;Takashige Omatsu

  • Electronic spectra of jet-cooled azulene

    Masaaki Fujii;Takayuki Ebata;Naohiko Mikami;Mitsuo Ito

  • Watching Water Migration around a Peptide Bond

    Kohei Tanabe;Mitsuhiko Miyazaki;Matthias Schmies;Alexander Patzer

  • OH- and CH-Stretching Overtone Spectra of Catechol

    Henrik G. Kjaergaard;Daryl L. Howard;Daniel P. Schofield;Timothy W. Robinson

  • Structure of 1-Naphthol−Water Clusters Studied by IR Dip Spectroscopy and Ab Initio Molecular Orbital Calculations

    Ruriko Yoshino;Kenro Hashimoto;Takuichiro Omi;Shun-ichi Ishiuchi

  • Excited-State Triple-Proton Transfer in 7-Azaindole(H2O)2 and Reaction Path Studied by Electronic Spectroscopy in the Gas Phase and Quantum Chemical Calculations†

    Kenji Sakota;Christophe Jouvet;Claude Dedonder;Masaaki Fujii

  • Dual emission caused by ring inversion isomerization of a 4-methyl-2-pyridyl-pyrimidine copper(I) complex.

    Michihiro Nishikawa;Kuniharu Nomoto;Shoko Kume;Keiichi Inoue

  • IR signature of the photoionization-induced hydrophobic-->hydrophilic site switching in phenol-Arn clusters.

    Shun-ichi Ishiuchi;Makoto Sakai;Yuji Tsuchida;Akihiro Takeda

Frequent Co-Authors

Otto Dopfer
Otto Dopfer Technical University of Berlin
Mitsuo Ito
Mitsuo Ito Tohoku University
Christophe Jouvet
Christophe Jouvet Aix-Marseille University
Kimihisa Yamamoto
Kimihisa Yamamoto Tokyo Institute of Technology
Naohiko Mikami
Naohiko Mikami Tohoku University
Klaus Müller-Dethlefs
Klaus Müller-Dethlefs University of Manchester
Takayuki Ebata
Takayuki Ebata Hiroshima University
Takunori Taira
Takunori Taira National Institutes of Natural Sciences
Hideki Kandori
Hideki Kandori Nagoya Institute of Technology
Roland Mitrić
Roland Mitrić University of Würzburg

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