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Tsuneji Nagai

Tsuneji Nagai

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 72 5323 4835 318 297 450 16886

Tsuneji Nagai publications per year

The chart shows the history of publications by Tsuneji Nagai between 1958 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tsuneji Nagai published across 67 years, from 1958 to 2024, averaging 7.3 papers a year. Output peaked at 30 publications in 1998. 4 of the 491 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1958 to 2024. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 1998. 1958: 1 publication 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 4 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 6 publications 1967: 0 publications 1968: 3 publications 1969: 5 publications 1970: 9 publications 1971: 6 publications 1972: 2 publications 1973: 1 publication 1974: 3 publications 1975: 5 publications 1976: 1 publication 1977: 3 publications 1978: 9 publications 1979: 2 publications 1980: 10 publications 1981: 8 publications 1982: 16 publications 1983: 12 publications 1984: 20 publications 1985: 17 publications 1986: 16 publications 1987: 28 publications 1988: 12 publications 1989: 13 publications 1990: 13 publications 1991: 10 publications 1992: 16 publications 1993: 17 publications 1994: 15 publications 1995: 26 publications 1996: 27 publications 1997: 21 publications 1998: 30 publications 1999: 21 publications 2000: 18 publications 2001: 8 publications 2002: 10 publications 2003: 20 publications 2004: 6 publications 2005: 6 publications 2006: 3 publications 2007: 2 publications 2008: 2 publications 2009: 1 publication 2010: 1 publication 2011: 0 publications 2012: 0 publications 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 1 publication 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 1 publication 2021: 0 publications 2022: 0 publications 2023: 0 publications 2024: 4 publications
1958 2024

491 publications in total across all disciplines

View publications per year as a table
Tsuneji Nagai: publications per year, 1958 to 2024
Year Publications
1958 1
1959 0
1960 0
1961 0
1962 4
1963 0
1964 0
1965 0
1966 6
1967 0
1968 3
1969 5
1970 9
1971 6
1972 2
1973 1
1974 3
1975 5
1976 1
1977 3
1978 9
1979 2
1980 10
1981 8
1982 16
1983 12
1984 20
1985 17
1986 16
1987 28
1988 12
1989 13
1990 13
1991 10
1992 16
1993 17
1994 15
1995 26
1996 27
1997 21
1998 30
1999 21
2000 18
2001 8
2002 10
2003 20
2004 6
2005 6
2006 3
2007 2
2008 2
2009 1
2010 1
2011 0
2012 0
2013 0
2014 0
2015 0
2016 1
2017 0
2018 0
2019 0
2020 1
2021 0
2022 0
2023 0
2024 4
Total 491
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Tsuneji Nagai 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 Tsuneji Nagai 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, 441–460 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: 450 publications — 85th percentile

85% 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
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
441–460 270 450
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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Tsuneji Nagai 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 Tsuneji Nagai 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, 72–73 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: 72 D-Index — 71st percentile

71% 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
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 72
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

Tsuneji Nagai is affiliated with the Nagai Foundation in Japan. Their work and contributions are associated primarily with this institution.

There are no recent papers, frequent co-authors, publication venues, book publications, or specific fields and subfields of study documented for Tsuneji Nagai in the available data.

No awards or honors have been recorded in the information provided.

Due to the limited available data, details about their research topics, thematic areas of interest, and publication history cannot be elaborated.

Best Publications

  • Encapsulation of Hydrophilic and Lipophilic Drugs in PLGA Nanoparticles by the Nanoprecipitation Method

    Jose Mario Barichello;Mariko Morishita;Kozo Takayama;Tsuneji Nagai

  • Oral delivery of insulin using pH‐responsive complexation gels

    A.M. Lowman;M. Morishita;M. Kajita;T. Nagai

  • Sex difference of cytochrome P-450 in the rat: purification, characterization, and quantitation of constitutive forms of cytochrome P-450 from liver microsomes of male and female rats.

    Tetsuya Kamataki;Kaori Maeda;Yasushi Yamazoe;Tsuneji Nagai

  • Preparation and characterization of superparamagnetic iron oxide nanoparticles stabilized by alginate

    Hui-li Ma;Xian-rong Qi;Yoshie Maitani;Tsuneji Nagai

  • Absorption of insulin from pluronic F-127 gels following subcutaneous administration in rats.

    Jose Mario Barichello;Mariko Morishita;Kozo Takayama;Tsuneji Nagai

  • Liposomes as Carriers for Topical and Transdermal Delivery

    E. Touitou;H.E. Junginger;N.D. Weiner;T. Nagai

  • New mucosal dosage form of insulin.

    Masami Ishida;Yoshiharu Machida;Naoki Nambu;Tsuneji Nagai

  • Enhanced intracellular delivery and improved antitumor efficacy of doxorubicin by sterically stabilized liposomes modified with a synthetic RGD mimetic.

    Xiao-Bing Xiong;Yue Huang;Wan-liang Lu;Xuan Zhang

  • In vitro and in vivo nasal mucoadhesion of some water-soluble polymers

    Fumihiko Nakamura;Ryoko Ohta;Yoshiharu Machida;Tsuneji Nagai

  • Characteristics of polyion complexes of chitosan with sodium alginate and sodium polyacrylate

    Toshiya Takahashi;Kozo Takayama;Yoshiharu Machida;Tsuneji Nagai

  • Site-dependent effect of aprotinin, sodium caprate, Na2EDTA and sodium glycocholate on intestinal absorption of insulin

    Mariko Morishita;Isao Morishita;Kozo Takayama;Yoshiharu Machida

  • Prolonged hypoglycemic effect of insulin-loaded polybutylcyanoacrylate nanoparticles after pulmonary administration to normal rats.

    Qiang Zhang;Zancong Shen;Tsuneji Nagai

  • pH-sensitive nanoparticles for improving the oral bioavailability of cyclosporine A

    Jundong Dai;Tsuneji Nagai;Xueqing Wang;Tao Zhang

  • Elucidation of the mechanism of incorporation of insulin in controlled release systems based on complexation polymers.

    Mariko Morishita;Anthony M. Lowman;Kozo Takayama;Tsuneji Nagai

  • Inclusion compounds of non-steroidal antiinflammatory and other slightly water soluble drugs with alpha- and beta-cyclodextrins in powdered form.

    Masashi Kurozumi;Naoki Nambu;Tsuneji Nagai

  • Transport of nerve growth factor encapsulated into liposomes across the blood–brain barrier: In vitro and in vivo studies

    Ying Xie;Liya Ye;Xiaobin Zhang;Wei Cui

  • Pluronic F-127 gels incorporating highly purified unsaturated fatty acids for buccal delivery of insulin.

    Mariko Morishita;Jose Mario Barichello;Kozo Takayama;Yoshiyuki Chiba

  • Superparamagnetic iron oxide nanoparticles stabilized by alginate: Pharmacokinetics, tissue distribution, and applications in detecting liver cancers

    Hui Li Ma;Yu Feng Xu;Xian Rong Qi;Yoshie Maitani

  • Stability and Several Physical Properties of Amorphous and Crystalline Forms of Indomethacin

    Hiroyuki Imaizumi;Naoki Nambu;Tsuneji Nagai

  • Pharmaceutical and immunological evaluation of a single-dose hepatitis B vaccine using PLGA microspheres.

    Li Feng;Xian Rong Qi;Xing Jun Zhou;Yoshie Maitani

  • Effect of interpolymer complex formation on bioadhesive property and drug release phenomenon of compressed tablet consisting of chitosan and sodium hyaluronate.

    Kozo Takayama;Meiko Hirata;Yoshiharu Machida;Tomoaki Masada

  • Studies on the cyclosporin A loaded stearic acid nanoparticles.

    Qiang Zhang;Guoqing Yie;Yie Li;Qingsong Yang

  • Mucosal dosage form of lidocaine for toothache using hydroxypropyl cellulose and Carbopol.

    Masami Ishida;Naoki Nambu;Tsuneji Nagai

Frequent Co-Authors

Kozo Takayama
Kozo Takayama Josai University
Yoshiharu Machida
Yoshiharu Machida Hoshi University
Nicholas A. Peppas
Nicholas A. Peppas The University of Texas at Austin
Ryuichi Kato
Ryuichi Kato Keio University
Qiang Zhang
Qiang Zhang Peking University
Yasushi Yamazoe
Yasushi Yamazoe Tohoku University
Thorsteinn Loftsson
Thorsteinn Loftsson University of Iceland
Hans E. Junginger
Hans E. Junginger National University of Singapore
Tsutomu Suzuki
Tsutomu Suzuki University of Tokyo
Wei Cui
Wei Cui Tsinghua University

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