World's Best Scientists 2026 revealed!
Takeharu Nagai

Takeharu Nagai

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Biology and Biochemistry 67 8066 7442 543 509 329 24191

Takeharu Nagai publications per year

The chart shows the history of publications by Takeharu Nagai between 1991 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takeharu Nagai published across 36 years, from 1991 to 2026, averaging 11.8 papers a year. Output peaked at 32 publications in 2024. 18 of the 425 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1991 to 2026. Vertical axis: number of publications, 0 to 32. Peak 32 publications in 2024. 1991: 1 publication 1992: 1 publication 1993: 0 publications 1994: 2 publications 1995: 0 publications 1996: 1 publication 1997: 3 publications 1998: 3 publications 1999: 0 publications 2000: 2 publications 2001: 4 publications 2002: 8 publications 2003: 5 publications 2004: 8 publications 2005: 8 publications 2006: 8 publications 2007: 12 publications 2008: 22 publications 2009: 24 publications 2010: 14 publications 2011: 14 publications 2012: 15 publications 2013: 26 publications 2014: 21 publications 2015: 25 publications 2016: 19 publications 2017: 23 publications 2018: 20 publications 2019: 13 publications 2020: 15 publications 2021: 21 publications 2022: 17 publications 2023: 20 publications 2024: 32 publications 2025: 16 publications 2026: 2 publications
1991 2026

425 publications in total across all disciplines

View publications per year as a table
Takeharu Nagai: publications per year, 1991 to 2026
Year Publications
1991 1
1992 1
1993 0
1994 2
1995 0
1996 1
1997 3
1998 3
1999 0
2000 2
2001 4
2002 8
2003 5
2004 8
2005 8
2006 8
2007 12
2008 22
2009 24
2010 14
2011 14
2012 15
2013 26
2014 21
2015 25
2016 19
2017 23
2018 20
2019 13
2020 15
2021 21
2022 17
2023 20
2024 32
2025 16
2026 2
Total 425
Download as CSV

Takeharu Nagai 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 Takeharu Nagai sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 100 bars. Horizontal axis: publications, 47–56 to 1,028+. Vertical axis: number of scientists, 0 to 980. Most scientists, 980, have 127–136 publications. The last bar groups every scientist with 1,028 publications or more. The highlighted bar, 327–336 publications, is where this scientist sits. 47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 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: 417 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: 196 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: 59 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 scientist 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientist 1,028+ publications: 100 scientists
47–56 publications 1,028+

This scientist: 329 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Biology and Biochemistry scientists by publication count, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
Publications Scientists This scientist
47–56 8
57–66 35
67–76 106
77–86 231
87–96 413
97–106 546
107–116 704
117–126 848
127–136 980
137–146 942
147–156 969
157–166 949
167–176 951
177–186 915
187–196 787
197–206 840
207–216 733
217–226 708
227–236 651
237–246 605
247–256 510
257–266 524
267–276 434
277–286 417
287–296 350
297–306 363
307–316 315
317–326 296
327–336 261 329
337–346 240
347–356 219
357–366 196
367–376 154
377–386 161
387–396 155
397–406 145
407–416 124
417–426 112
427–436 132
437–446 116
447–456 99
457–466 81
467–476 91
477–486 80
487–496 80
497–506 59
507–516 36
517–526 46
527–536 54
537–546 44
547–556 43
557–566 43
567–576 42
577–586 25
587–596 34
597–606 23
607–616 33
617–626 31
627–636 27
637–646 25
647–656 28
657–666 34
667–676 18
677–686 16
687–696 10
697–706 12
707–716 21
717–726 12
727–736 12
737–746 10
747–756 7
757–766 13
767–776 15
777–786 13
787–796 9
797–806 9
807–816 7
817–826 4
827–836 9
837–846 7
847–856 3
857–866 5
867–876 5
877–886 11
887–896 3
897–906 4
907–916 7
917–926 5
927–936 6
937–946 6
947–956 3
957–966 7
967–976 2
977–986 2
987–996 1
997–1,006 5
1,007–1,016 2
1,017–1,026 2
1,027 1
1,028+ 100
Download as CSV

Takeharu Nagai 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 Takeharu Nagai sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 65 bars. Horizontal axis: D-Index, 40–41 to 167+. Vertical axis: number of scientists, 0 to 1,253. Most scientists, 1,253, have 58–59 D-Index. The last bar groups every scientist with 167 D-Index or more. The highlighted bar, 66–67 D-Index, is where this scientist sits. 40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 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: 71 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
40–41 D-Index 167+

This scientist: 67 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Biology and Biochemistry scientists by D-index, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
D-Index Scientists This scientist
40–41 80
42–43 183
44–45 316
46–47 504
48–49 718
50–51 899
52–53 1,025
54–55 1,149
56–57 1,235
58–59 1,253
60–61 1,162
62–63 1,130
64–65 1,031
66–67 897 67
68–69 814
70–71 714
72–73 709
74–75 596
76–77 512
78–79 473
80–81 412
82–83 373
84–85 358
86–87 285
88–89 273
90–91 227
92–93 208
94–95 193
96–97 153
98–99 157
100–101 148
102–103 120
104–105 113
106–107 100
108–109 86
110–111 67
112–113 71
114–115 73
116–117 64
118–119 53
120–121 60
122–123 54
124–125 43
126–127 38
128–129 49
130–131 26
132–133 18
134–135 23
136–137 32
138–139 32
140–141 27
142–143 19
144–145 22
146–147 12
148–149 16
150–151 14
152–153 10
154–155 13
156–157 10
158–159 7
160–161 9
162–163 13
164–165 4
166 4
167+ 98
Download as CSV

Overview

Takeharu Nagai is affiliated with Osaka University in Japan and has an extensive publication record primarily in the fields of Biochemistry, Genetics, and Molecular Biology. Their research covers 139 publications with significant contributions in the subfields of Molecular Biology, Biophysics, Biomedical Engineering, Cellular and Molecular Neuroscience, and Cell Biology.

The scientist's research interests include several advanced topics such as:

  • Advanced Fluorescence Microscopy Techniques
  • Bioluminescence and Chemiluminescence Research
  • Cell Image Analysis Techniques
  • Photoreceptor and Optogenetics Research
  • Biosensors and Analytical Detection
  • Advanced Biosensing and Bioanalysis Techniques
  • Neuroscience and Neuropharmacology Research

Takeharu Nagai has published in a variety of scientific venues, including:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Biophysics and Physicobiology
  • Scientific Reports
  • Communications Biology
  • eLife

The following are some recent papers illustrating the breadth of their work:

  • "LC3 lipidation is essential for TFEB activation during the lysosomal damage response to kidney injury" (2020) in Nature Cell Biology
  • "Stepwise synaptic plasticity events drive the early phase of memory consolidation" (2021) in Science
  • "Exploring rare cellular activity in more than one million cells by a transscale scope" (2021) in Scientific Reports
  • "Palmitoylated CKAP4 regulates mitochondrial functions through an interaction with VDAC2 at ER-mitochondria contact sites" (2020) in Journal of Cell Science
  • "Intracellular Heat Transfer and Thermal Property Revealed by Kilohertz Temperature Imaging with a Genetically Encoded Nanothermometer" (2022) in Nano Letters

The scientist frequently collaborates with several researchers, including:

  • Tomoki Matsuda
  • Tetsuichi Wazawa
  • Mitsuru Hattori
  • Taishi Kakizuka
  • Taro Ichimura

Best Publications

  • A variant of yellow fluorescent protein with fast and efficient maturation for cell-biological applications

    Takeharu Nagai;Keiji Ibata;Eun Sun Park;Mie Kubota

  • An Expanded Palette of Genetically Encoded Ca2+ Indicators

    Yongxin Zhao;Satoko Araki;Jiahui Wu;Takayuki Teramoto

  • Circularly permuted green fluorescent proteins engineered to sense Ca2

    Takeharu Nagai;Asako Sawano;Eun Sun Park;Atsushi Miyawaki

  • Expanded dynamic range of fluorescent indicators for Ca(2+) by circularly permuted yellow fluorescent proteins.

    Takeharu Nagai;Shuichi Yamada;Takashi Tominaga;Michinori Ichikawa

  • Visualization of ATP levels inside single living cells with fluorescence resonance energy transfer-based genetically encoded indicators

    Hiromi Imamura;Kim P. Huynh Nhat;Hiroko Togawa;Kenta Saito

  • Rapid and persistent modulation of actin dynamics regulates postsynaptic reorganization underlying bidirectional plasticity.

    Ken-Ichi Okamoto;Takeharu Nagai;Atsushi Miyawaki;Yasunori Hayashi

  • Spatio-temporal images of growth-factor-induced activation of Ras and Rap1.

    Naoki Mochizuki;Shigeko Yamashita;Kazuo Kurokawa;Yusuke Ohba

  • THE EXPRESSION OF THE MOUSE ZIC1, ZIC2, AND ZIC3 GENE SUGGESTS AN ESSENTIAL ROLE FOR ZIC GENES IN BODY PATTERN FORMATION

    Takeharu Nagai;Jun Aruga;Shinji Takada;Thomas Günther

  • Dynamic Organization of Chromatin Domains Revealed by Super-Resolution Live-Cell Imaging

    Tadasu Nozaki;Ryosuke Imai;Mai Tanbo;Mai Tanbo;Ryosuke Nagashima;Ryosuke Nagashima

  • Cyan-emitting and orange-emitting fluorescent proteins as a donor/acceptor pair for fluorescence resonance energy transfer

    Satoshi Karasawa;Toshio Araki;Takeharu Nagai;Hideaki Mizuno

  • Spontaneous network activity visualized by ultrasensitive Ca 2+ indicators, yellow Cameleon-Nano

    Kazuki Horikawa;Yoshiyuki Yamada;Tomoki Matsuda;Kentarou Kobayashi

  • Spatio-temporal activation of caspase revealed by indicator that is insensitive to environmental effects

    Kiwamu Takemoto;Takeharu Nagai;Takeharu Nagai;Atsushi Miyawaki;Masayuki Miura

  • Luminescent proteins for high-speed single-cell and whole-body imaging

    Kenta Saito;Y. F. Chang;Kazuki Horikawa;Noriyuki Hatsugai;Noriyuki Hatsugai

  • Functional fluorescent Ca2+ indicator proteins in transgenic mice under TET control.

    Mazahir T Hasan;Rainer W Friedrich;Thomas Euler;Matthew E Larkum

  • The Mouse Zic Gene Family HOMOLOGUES OF THE DROSOPHILA PAIR-RULE GENE odd-paired

    Jun Aruga;Takeharu Nagai;Tsutomu Tokuyama;Yoshihide Hayashizaki

  • Xenopus Zic3, a primary regulator both in neural and neural crest development

    Katsunori Nakata;Takeharu Nagai;Jun Aruga;Katsuhiko Mikoshiba

  • Five colour variants of bright luminescent protein for real-time multicolour bioimaging

    Kazushi Suzuki;Taichi Kimura;Hajime Shinoda;Guirong Bai

  • Zic2 regulates the kinetics of neurulation

    Takeharu Nagai;Jun Aruga;Osamu Minowa;Takashi Sugimoto

  • Improved Orange and Red Ca2+ Indicators and Photophysical Considerations for Optogenetic Applications

    Jiahui Wu;Lin Liu;Tomoki Matsuda;Yongxin Zhao

  • Crystal Structure of Venus, a Yellow Fluorescent Protein with Improved Maturation and Reduced Environmental Sensitivity

    Agata Rekas;Jean-René Alattia;Takeharu Nagai;Takeharu Nagai;Atsushi Miyawaki

Frequent Co-Authors

Katsuhiko Mikoshiba
Katsuhiko Mikoshiba ShanghaiTech University
Jun Aruga
Jun Aruga Nagasaki University
Hiroyuki Noji
Hiroyuki Noji University of Tokyo
Katsumi Imada
Katsumi Imada Osaka University
Naoto Ueno
Naoto Ueno National Institute for Basic Biology
Megumi Iwano
Megumi Iwano Nara Institute of Science and Technology
Hiroyuki Kagi
Hiroyuki Kagi University of Tokyo
Hitoshi Hashimoto
Hitoshi Hashimoto Osaka University
Satoshi Kawata
Satoshi Kawata Osaka University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Pursuing a degree in Biology or Biochemistry opens the door to numerous advanced career opportunities, especially with the growing demand for healthcare professionals and researchers. Many students are now considering online degrees, thanks to their flexibility and accessibility for working adults and career changers.

Those interested in healthcare management may explore top online mha programs that are cahme accredited for a strong foundation in hospital administration and leadership skills. Graduates can advance into roles as healthcare managers and executives.

For those seeking advanced clinical roles, several online dnp programs without clinicals allow experienced nurses to enhance their expertise while balancing professional responsibilities.

If your interests align with research or senior healthcare leadership, consider an doctorate in healthcare administration online to develop advanced analytical and policy-making skills.

Similarly, science graduates looking to transition into pharmacy can explore online pharmd programs for non pharmacists, designed for those without a pharmacy background but with a strong interest in medicine and patient care.

Best Scientists Citing Takeharu Nagai

Trending Scientists

Recently Published Articles