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D-Index & Metrics

Molecular Biology

D-Index
48
Citations
8011
World Ranking
2689
National Ranking
15

Ichiro Hirao publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Ichiro Hirao sits on this spectrum.

47–56 publications: 7 scientists 57–66 publications: 17 scientists 67–76 publications: 65 scientists 77–86 publications: 90 scientists 87–96 publications: 125 scientists 97–106 publications: 131 scientists 107–116 publications: 162 scientists 117–126 publications: 177 scientists 127–136 publications: 158 scientists 137–146 publications: 158 scientists 147–156 publications: 146 scientists 157–166 publications: 159 scientists 167–176 publications: 131 scientists 177–186 publications: 110 scientists 187–196 publications: 112 scientists 197–206 publications: 100 scientists 207–216 publications: 89 scientists 217–226 publications: 98 scientists 227–236 publications: 74 scientists 237–246 publications: 72 scientists 247–256 publications: 63 scientists 257–266 publications: 53 scientists 267–276 publications: 54 scientists 277–286 publications: 49 scientists 287–296 publications: 52 scientists 297–306 publications: 43 scientists 307–316 publications: 46 scientists 317–326 publications: 41 scientists 327–336 publications: 42 scientists 337–346 publications: 31 scientists 347–356 publications: 28 scientists 357–366 publications: 29 scientists 367–376 publications: 26 scientists 377–386 publications: 24 scientists 387–396 publications: 24 scientists 397–406 publications: 14 scientists 407–416 publications: 13 scientists 417–426 publications: 20 scientists 427–436 publications: 12 scientists 437–446 publications: 20 scientists 447–456 publications: 11 scientists 457–466 publications: 10 scientists 467–476 publications: 14 scientists 477–486 publications: 14 scientists 487–496 publications: 10 scientists 497–506 publications: 13 scientists 507–516 publications: 13 scientists 517–526 publications: 2 scientists 527–536 publications: 4 scientists 537–546 publications: 6 scientists 547–556 publications: 8 scientists 557–563 publications: 6 scientists 564+ publications: 100 scientists
47 publications 564+

This scientist: 221 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 564 publications or more.

Ichiro Hirao D-index placement in Molecular Biology in 2026

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

40–41 D-Index: 36 scientists 42–43 D-Index: 101 scientists 44–45 D-Index: 115 scientists 46–47 D-Index: 121 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 130 scientists 52–53 D-Index: 106 scientists 54–55 D-Index: 116 scientists 56–57 D-Index: 113 scientists 58–59 D-Index: 129 scientists 60–61 D-Index: 120 scientists 62–63 D-Index: 105 scientists 64–65 D-Index: 131 scientists 66–67 D-Index: 95 scientists 68–69 D-Index: 97 scientists 70–71 D-Index: 106 scientists 72–73 D-Index: 83 scientists 74–75 D-Index: 89 scientists 76–77 D-Index: 77 scientists 78–79 D-Index: 70 scientists 80–81 D-Index: 73 scientists 82–83 D-Index: 60 scientists 84–85 D-Index: 48 scientists 86–87 D-Index: 45 scientists 88–89 D-Index: 50 scientists 90–91 D-Index: 31 scientists 92–93 D-Index: 51 scientists 94–95 D-Index: 43 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 39 scientists 100–101 D-Index: 41 scientists 102–103 D-Index: 29 scientists 104–105 D-Index: 33 scientists 106–107 D-Index: 35 scientists 108–109 D-Index: 20 scientists 110–111 D-Index: 38 scientists 112–113 D-Index: 19 scientists 114–115 D-Index: 28 scientists 116–117 D-Index: 13 scientists 118–119 D-Index: 23 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 15 scientists 124–125 D-Index: 11 scientists 126–127 D-Index: 21 scientists 128–129 D-Index: 7 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 14 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 9 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 16 scientists 142–143 D-Index: 7 scientists 144 D-Index: 7 scientists 145+ D-Index: 100 scientists
40 D-Index 145+

This scientist: 48 D-Index — 14th percentile

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

The last bar groups every scientist with 145 D-Index or more.

Overview

Ichiro Hirao is affiliated with Xenolis Pte. Ltd. in Singapore. Their research primarily spans the field of Biochemistry, Genetics and Molecular Biology, with a particular focus on Molecular Biology as a subfield. The scope of their work covers diverse topics including advanced biosensing and bioanalysis techniques, RNA and protein synthesis mechanisms, DNA and nucleic acid chemistry, mosquito-borne diseases and control, bacteriophages and microbial interactions, CRISPR and genetic engineering, as well as nanopore and nanochannel transport studies.

Their recent papers include:

  • Genetic alphabet expansion technology by creating unnatural base pairs (2020, Chemical Society Reviews)
  • High-affinity five/six-letter DNA aptamers with superior specificity enabling the detection of dengue NS1 protein variants beyond the serotype identification (2021, Nucleic Acids Research)
  • Uptake mechanisms of cell-internalizing nucleic acid aptamers for applications as pharmacological agents (2021, RSC Medicinal Chemistry)
  • Genetic Code Engineering by Natural and Unnatural Base Pair Systems for the Site-Specific Incorporation of Non-Standard Amino Acids Into Proteins (2022, Frontiers in Molecular Biosciences)
  • Competitive ELISA for a serologic test to detect dengue serotype-specific anti-NS1 IgGs using high-affinity UB-DNA aptamers (2021, Scientific Reports)

Frequent co-authors include:

  • Michiko Kimoto
  • Hui Pen Tan
  • Ken-ichiro Matsunaga
  • Vanessa Lim
  • William Sun

Ichiro Hirao's work has been published in several recurring scientific venues such as:

  • Nature Communications
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Chemical Society Reviews
  • RSC Medicinal Chemistry
  • Nucleic Acids Research

Their research contributions address multiple specialized topics:

  • Advanced biosensing and bioanalysis techniques
  • RNA and protein synthesis mechanisms
  • DNA and Nucleic Acid Chemistry
  • Mosquito-borne diseases and control
  • Bacteriophages and microbial interactions
  • CRISPR and Genetic Engineering
  • Nanopore and Nanochannel Transport Studies

Best Publications

  • Generation of high-affinity DNA aptamers using an expanded genetic alphabet.

    Michiko Kimoto;Rie Yamashige;Ken-ichiro Matsunaga;Shigeyuki Yokoyama

  • An unnatural base pair for incorporating amino acid analogs into proteins

    Ichiro Hirao;Takashi Ohtsuki;Tsuyoshi Fujiwara;Tsuneo Mitsui

  • Site-specific incorporation of an unnatural amino acid into proteins in mammalian cells.

    Kensaku Sakamoto;Akiko Hayashi;Ayako Sakamoto;Daisuke Kiga

  • An engineered Escherichia coli tyrosyl–tRNA synthetase for site-specific incorporation of an unnatural amino acid into proteins in eukaryotic translation and its application in a wheat germ cell-free system

    Daisuke Kiga;Kensaku Sakamoto;Koichiro Kodama;Takanori Kigawa

  • An unnatural hydrophobic base pair system: site-specific incorporation of nucleotide analogs into DNA and RNA

    Ichiro Hirao;Michiko Kimoto;Tsuneo Mitsui;Tsuyoshi Fujiwara

  • Most compact hairpin-turn structure exerted by a short DNA fragment, d(GCGAAGC) in solution: an extraordinarily stable structure resistant to nucleases and heat

    Ichiro Hirao;Gota Kawai;Satoko Yoshizawa;Yoshifumi Nishimura

  • An unnatural base pair system for efficient PCR amplification and functionalization of DNA molecules

    Michiko Kimoto;Rie Kawai;Tsuneo Mitsui;Shigeyuki Yokoyama

  • Unnatural base pair systems for DNA/RNA-based biotechnology.

    Unknown

  • GNA trinucleotide loop sequences producing extraordinarily stable DNA minihairpins.

    Satoko Yoshizawa;Gota Kawai;Kimitsuna Watanabe;Kin-ichiro Miura

  • Highly specific unnatural base pair systems as a third base pair for PCR amplification

    Rie Yamashige;Michiko Kimoto;Yusuke Takezawa;Akira Sato

  • Natural versus artificial creation of base pairs in DNA: origin of nucleobases from the perspectives of unnatural base pair studies.

    Unknown

  • Extraordinarily stable mini-hairpins: electrophoretical and thermal properties of the various sequence variants of d(GCFAAAGC)and their effect on DNA sequencing

    Ichiro Hirao;Yoshifumi Nishimura;Yon-ichi Tagawa;Kimitsuna Watanabe

  • High-Affinity DNA Aptamer Generation Targeting von Willebrand Factor A1-Domain by Genetic Alphabet Expansion for Systematic Evolution of Ligands by Exponential Enrichment Using Two Types of Libraries Composed of Five Different Bases.

    Unknown

  • An Efficient Unnatural Base Pair for PCR Amplification

    Ichiro Hirao;Tsuneo Mitsui;Michiko Kimoto;Shigeyuki Yokoyama

  • Unnatural base pairs for specific transcription

    Takashi Ohtsuki;Michiko Kimoto;Masahide Ishikawa;Tsuneo Mitsui

  • Site-specific fluorescent labeling of RNA molecules by specific transcription using unnatural base pairs.

    Rie Kawai;Michiko Kimoto;Shuji Ikeda;Tsuneo Mitsui

  • Crystal structures of a series of RNA aptamers complexed to the same protein target.

    Siân Rowsell;Nicola J. Stonehouse;Máire A. Convery;Chris J. Adams

  • The limits of specificity: an experimental analysis with RNA aptamers to MS2 coat protein variants.

    Ichiro Hirao;Marc Spingola;David Peabody;Andrew D. Ellington

  • Nuclease resistance of an extraordinarily thermostable mini-hairpin DNA fragment, d(GCGAAGC) and its application to in vitro protein synthesis.

    Satoko Yoshizawa;Takuya Ueda;Yoshiharu Ishido;Kin ichiro Miura

  • Unnatural base pair systems toward the expansion of the genetic alphabet in the central dogma.

    Unknown

Frequent Co-Authors

Kimitsuna Watanabe
Kimitsuna Watanabe National Institute of Advanced Industrial Science and Technology
Yoshifumi Nishimura
Yoshifumi Nishimura Hiroshima University
Andrew D. Ellington
Andrew D. Ellington The University of Texas at Austin
Takuya Ueda
Takuya Ueda University of Tokyo
Andreas Marx
Andreas Marx University of Konstanz
Masayuki Endo
Masayuki Endo Kyoto University
Mikako Shirouzu
Mikako Shirouzu RIKEN Center for Biosystems Dynamics Research
Kay Diederichs
Kay Diederichs University of Konstanz
Yee Sin Leo
Yee Sin Leo Nanyang Technological University

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