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Seiji Tobita

Seiji Tobita

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 42 17417 15751 1375 1245 193 8008

Seiji Tobita publications per year

The chart shows the history of publications by Seiji Tobita between 1980 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Seiji Tobita published across 45 years, from 1980 to 2024, averaging 4.8 papers a year. Output peaked at 18 publications in 2023. 19 of the 215 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1980 to 2024. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2023. 1980: 1 publication 1981: 0 publications 1982: 1 publication 1983: 1 publication 1984: 5 publications 1985: 3 publications 1986: 5 publications 1987: 1 publication 1988: 1 publication 1989: 3 publications 1990: 3 publications 1991: 3 publications 1992: 3 publications 1993: 4 publications 1994: 6 publications 1995: 4 publications 1996: 5 publications 1997: 4 publications 1998: 3 publications 1999: 3 publications 2000: 3 publications 2001: 7 publications 2002: 10 publications 2003: 6 publications 2004: 2 publications 2005: 10 publications 2006: 13 publications 2007: 6 publications 2008: 3 publications 2009: 8 publications 2010: 4 publications 2011: 2 publications 2012: 9 publications 2013: 4 publications 2014: 5 publications 2015: 5 publications 2016: 8 publications 2017: 4 publications 2018: 4 publications 2019: 8 publications 2020: 6 publications 2021: 6 publications 2022: 4 publications 2023: 18 publications 2024: 1 publication
1980 2024

215 publications in total across all disciplines

View publications per year as a table
Seiji Tobita: publications per year, 1980 to 2024
Year Publications
1980 1
1981 0
1982 1
1983 1
1984 5
1985 3
1986 5
1987 1
1988 1
1989 3
1990 3
1991 3
1992 3
1993 4
1994 6
1995 4
1996 5
1997 4
1998 3
1999 3
2000 3
2001 7
2002 10
2003 6
2004 2
2005 10
2006 13
2007 6
2008 3
2009 8
2010 4
2011 2
2012 9
2013 4
2014 5
2015 5
2016 8
2017 4
2018 4
2019 8
2020 6
2021 6
2022 4
2023 18
2024 1
Total 215
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Seiji Tobita 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 Seiji Tobita sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 181–200 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 193 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344 193
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Seiji Tobita 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 Seiji Tobita sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 42–43 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 42 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612 42
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Seiji Tobita is affiliated with Gunma University in Japan and has established a body of work primarily in Materials Science and Biochemistry, Genetics and Molecular Biology. Their research focuses notably on Materials Chemistry and aspects of Molecular Biology, Cancer Research, Biomedical Engineering, and Biochemistry.

The main topics explored in Tobita's publications include:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Nanoplatforms for cancer theranostics
  • Cancer, Hypoxia, and Metabolism
  • Analytical Chemistry and Sensors
  • Crystallography and molecular interactions
  • Lipid metabolism and biosynthesis

Seiji Tobita's recent scientific papers reflect the integration of advanced imaging techniques and chemical sensing in biological contexts. These works include:

  • Visualization of Lipid Droplets in Living Cells and Fatty Livers of Mice Based on the Fluorescence of π-Extended Coumarin Using Fluorescence Lifetime Imaging Microscopy, 2020, Analytical Chemistry
  • Spontaneously Blinking Fluorophores Based on Nucleophilic Addition/Dissociation of Intracellular Glutathione for Live-Cell Super-resolution Imaging, 2020, Journal of the American Chemical Society
  • Design of spontaneously blinking fluorophores for live-cell super-resolution imaging based on quantum-chemical calculations, 2020, Chemical Communications
  • In vivo O2 imaging in hepatic tissues by phosphorescence lifetime imaging microscopy using Ir(III) complexes as intracellular probes, 2020, Scientific Reports
  • Intracellular and Intravascular Oxygen Sensing of Pancreatic Tissues Based on Phosphorescence Lifetime Imaging Microscopy Using Lipophilic and Hydrophilic Iridium(III) Complexes, 2022, ACS Sensors

The frequent collaborators in Tobita's research projects include Toshitada Yoshihara (32 joint publications), Shin-ichiro Kato (17), Kōji Yamamoto (14), Yosuke Nakamura (14), and Tomokazu Kijima (13).

Publication venues where Tobita has contributed multiple works highlight the interdisciplinary nature of their research:

  • The Cambridge Structural Database (15 publications)
  • Analytical Chemistry (3 publications)
  • Scientific Reports (3 publications)
  • Journal of Photochemistry and Photobiology A Chemistry (2 publications)
  • Journal of the American Chemical Society (1 publication)

Best Publications

  • Reevaluation of absolute luminescence quantum yields of standard solutions using a spectrometer with an integrating sphere and a back-thinned CCD detector.

    Kengo Suzuki;Atsushi Kobayashi;Shigeo Kaneko;Kazuyuki Takehira

  • A spontaneously blinking fluorophore based on intramolecular spirocyclization for live-cell super-resolution imaging

    Shin Nosuke Uno;Mako Kamiya;Toshitada Yoshihara;Ko Sugawara

  • Recent advances in instrumentation for absolute emission quantum yield measurements

    Hitoshi Ishida;Seiji Tobita;Yasuchika Hasegawa;Ryuzi Katoh

  • The paramagnetic metal effect on the ligand localized S1 .apprx. .fwdarw. T1 intersystem crossing in the rare-earth-metal complexes with methyl salicylate

    Seiji Tobita;Masayuki Arakawa;Ikuzo Tanaka

  • Ratiometric Molecular Sensor for Monitoring Oxygen Levels in Living Cells

    Unknown

  • Size effects on dissociation rates of polycyclic aromatic hydrocarbon cations: Laboratory studies and astophysical implications

    Unknown

  • Measurement of photoluminescence efficiency of Ir(III) phenylpyridine derivatives in solution and solid-state films

    Ayataka Endo;Kengo Suzuki;Toshitada Yoshihara;Seiji Tobita

  • Extremely low-threshold amplified spontaneous emission of 9,9′-spirobifluorene derivatives and electroluminescence from field-effect transistor structure

    Hajime Nakanotani;Seiji Akiyama;Dai Ohnishi;Masato Moriwake

  • Electronic relaxation processes of rare earth chelates of benzoyltrifluoroacetone

    Seiji Tobita;Masayuki Arakawa;Ikuzo Tanaka

  • Temperature-dependent fluorescence lifetime of a fluorescent polymeric thermometer, poly(N-isopropylacrylamide), labeled by polarity and hydrogen bonding sensitive 4-sulfamoyl-7-aminobenzofurazan.

    Chie Gota;Seiichi Uchiyama;Toshitada Yoshihara;Seiji Tobita

  • Oxygen imaging of living cells and tissues using luminescent molecular probes

    Toshitada Yoshihara;Yosuke Hirakawa;Masahiro Hosaka;Masaomi Nangaku

  • Thermochemical Profiles on Hydrogen Atom Transfer from Triplet Naphthol and Proton-Induced Electron Transfer from Triplet Methoxynaphthalene to Benzophenone via Triplet Exciplexes Studied by Laser Flash Photolysis

    Minoru Yamaji;Youichi Aihara;Toshiyuki Itoh;Seiji Tobita

  • Environment-sensitive fluorophores with benzothiadiazole and benzoselenadiazole structures as candidate components of a fluorescent polymeric thermometer.

    Seiichi Uchiyama;Kohki Kimura;Chie Gota;Kohki Okabe

  • Bicarbazoles: Systematic Structure–Property Investigations on a Series of Conjugated Carbazole Dimers

    Shin-ichiro Kato;Hiroto Noguchi;Atsushi Kobayashi;Toshitada Yoshihara

  • Environment-sensitive fluorophore emitting in protic environments.

    Seiichi Uchiyama;Kazuyuki Takehira;Toshitada Yoshihara;Seiji Tobita

  • Single- and double-ionization potentials of polycyclic aromatic hydrocarbons and fullerenes by photon and electron impact

    S. Tobita;S. Leach;H. W. Jochims;E. Rühl

  • Intracellular and in vivo oxygen sensing using phosphorescent iridium(III) complexes

    Unknown

  • Study of higher excited singlet states of zinc(II)‐tetraphenylporphin

    Seiji Tobita;Youkoh Kaizu;Hiroshi Kobayashi;Ikuzo Tanaka

  • Polycyclic aromatic hydrocarbons : negative ion formation following low energy (0-15 eV) electron impact

    Seiji Tobita;Martina Meinke;Eugen Illenberger;Loucas G. Christophorou

  • Visualization of Lipid Droplets in Living Cells and Fatty Livers of Mice Based on the Fluorescence of π-Extended Coumarin Using Fluorescence Lifetime Imaging Microscopy

    Unknown

  • Proton-induced quenching and hydrogen-deuterium isotope-exchange reactions of methoxynaphthalenes

    Haruo Shizuka;Seiji Tobita

  • Internal conversion of o-aminoacetophenone in solution

    Toshitada Yoshihara;Hirofumi Shimada;Haruo Shizuka;Seiji Tobita

  • Photophysical studies of neutral aromatic species confined in zeolite L: Comparison with cationic dyes

    Shuichi Hashimoto;Masahide Hagiri;Nobukazu Matsubara;Seiji Tobita

  • Synthesis and Photochemical Properties of Stilbenophanes Tethered by Silyl Chains. Control of (2π + 2π) Photocycloaddition, Cis−Trans Photoisomerization, and Photocyclization

    Hajime Maeda;Ko-ichi Nishimura;Kazuhiko Mizuno;Minoru Yamaji

  • Recovery mechanism of the reaction intermediate produced by photoinduced cleavage of the intramolecular hydrogen bond of dibenzoylmethane

    Seiji Tobita;Jin Ohba;Kenji Nakagawa;Haruo Shizuka

Frequent Co-Authors

Masaomi Nangaku
Masaomi Nangaku University of Tokyo
Yasuteru Urano
Yasuteru Urano University of Tokyo
Chihaya Adachi
Chihaya Adachi Kyushu University
Kazunari Yoshizawa
Kazunari Yoshizawa Kyushu University
Yoshihito Shiota
Yoshihito Shiota Kyushu University
Keigo Endo
Keigo Endo Gunma University
Yoshio Aso
Yoshio Aso Osaka University
Masaru Ishii
Masaru Ishii Osaka University
Yasuo Mori
Yasuo Mori Kyoto University
Yasuchika Hasegawa
Yasuchika Hasegawa Hokkaido University

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