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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 52 13538 12186 1035 943 361 9376

Kazuo Nagasawa publications per year

The chart shows the history of publications by Kazuo Nagasawa between 1971 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kazuo Nagasawa published across 55 years, from 1971 to 2025, averaging 7.3 papers a year. Output peaked at 42 publications in 2012. 18 of the 403 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1971 to 2025. Vertical axis: number of publications, 0 to 42. Peak 42 publications in 2012. 1971: 1 publication 1972: 1 publication 1973: 0 publications 1974: 1 publication 1975: 4 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 0 publications 1984: 2 publications 1985: 2 publications 1986: 2 publications 1987: 2 publications 1988: 4 publications 1989: 2 publications 1990: 2 publications 1991: 3 publications 1992: 3 publications 1993: 5 publications 1994: 3 publications 1995: 2 publications 1996: 2 publications 1997: 8 publications 1998: 2 publications 1999: 3 publications 2000: 2 publications 2001: 8 publications 2002: 10 publications 2003: 10 publications 2004: 6 publications 2005: 3 publications 2006: 10 publications 2007: 8 publications 2008: 11 publications 2009: 19 publications 2010: 15 publications 2011: 17 publications 2012: 42 publications 2013: 16 publications 2014: 13 publications 2015: 15 publications 2016: 19 publications 2017: 21 publications 2018: 15 publications 2019: 16 publications 2020: 10 publications 2021: 16 publications 2022: 8 publications 2023: 20 publications 2024: 5 publications 2025: 13 publications
1971 2025

403 publications in total across all disciplines

View publications per year as a table
Kazuo Nagasawa: publications per year, 1971 to 2025
Year Publications
1971 1
1972 1
1973 0
1974 1
1975 4
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 1
1983 0
1984 2
1985 2
1986 2
1987 2
1988 4
1989 2
1990 2
1991 3
1992 3
1993 5
1994 3
1995 2
1996 2
1997 8
1998 2
1999 3
2000 2
2001 8
2002 10
2003 10
2004 6
2005 3
2006 10
2007 8
2008 11
2009 19
2010 15
2011 17
2012 42
2013 16
2014 13
2015 15
2016 19
2017 21
2018 15
2019 16
2020 10
2021 16
2022 8
2023 20
2024 5
2025 13
Total 403
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Kazuo Nagasawa 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 Kazuo Nagasawa 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, 361–380 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: 361 publications — 75th percentile

75% 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
361–380 522 361
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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Kazuo Nagasawa 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 Kazuo Nagasawa 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, 52–53 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: 52 D-Index — 26th percentile

26% 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 52
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

Kazuo Nagasawa is a researcher affiliated with Tokyo University of Agriculture and Technology in Japan. Their work spans multiple interconnected fields, primarily focusing on biochemistry, genetics, molecular biology, and chemistry. Their research portfolio includes a significant number of publications contributing to these scientific domains.

They have published extensively within subfields such as molecular biology, organic chemistry, pathology and forensic medicine, pharmacology, and environmental chemistry.

Their main research topics include:

  • DNA and Nucleic Acid Chemistry
  • Advanced biosensing and bioanalysis techniques
  • RNA Interference and Gene Delivery
  • Vitamin D Research Studies
  • Chemical synthesis and alkaloids
  • Marine Toxins and Detection Methods
  • Alkaloids: synthesis and pharmacology

Their publication record shows frequent contributions to the following venues:

  • The Journal of Organic Chemistry (6 publications)
  • Chemical Communications (5 publications)
  • The Cambridge Structural Database (4 publications)
  • Biochemical and Biophysical Research Communications (2 publications)
  • Journal of the American Chemical Society (2 publications)

They have often collaborated with several authors, including:

  • Minami Odagi (29 joint works)
  • Ryota Sakamoto (13 joint works)
  • Masayuki Tera (13 joint works)
  • Yue Ma (12 joint works)
  • Keisuke Hosoya (9 joint works)

Among the recent papers authored or co-authored by Kazuo Nagasawa are:

  • Topologies of G-quadruplex: Biological functions and regulation by ligands, 2020, Biochemical and Biophysical Research Communications
  • Differential diagnosis of vitamin D-related hypercalcemia using serum vitamin D metabolite profiling, 2020, Journal of Bone and Mineral Research
  • Discovery of a Vitamin D Receptor-Silent Vitamin D Derivative That Impairs Sterol Regulatory Element-Binding Protein In Vivo, 2021, Journal of Medicinal Chemistry
  • Enantioselective Total Synthesis of (+)-Stephadiamine through Bioinspired Aza-Benzilic Acid Type Rearrangement, 2021, Journal of the American Chemical Society
  • Target identification of a macrocyclic hexaoxazole G-quadruplex ligand using post-target-binding visualization, 2020, Chemical Communications

Best Publications

  • Development of bis-thiourea-type organocatalyst for asymmetric Baylis–Hillman reaction

    Yoshihiro Sohtome;Aya Tanatani;Yuichi Hashimoto;Kazuo Nagasawa

  • Guanidine-Thiourea Bifunctional Organocatalyst for the Asymmetric Henry (Nitroaldol) Reaction

    Yoshihiro Sohtome;Yuichi Hashimoto;Kazuo Nagasawa

  • Total Synthesis of Pinnatoxin A

    John A. McCauley;Kazuo Nagasawa;Peter A. Lander;Steven G. Mischke

  • C2‐Symmetric Chiral Pentacyclic Guanidine: A Phase‐Transfer Catalyst for the Asymmetric Alkylation of tert‐Butyl Glycinate Schiff Base

    Tetsuya Kita;Angelina Georgieva;Yuichi Hashimoto;Tadashi Nakata

  • Diastereoselective and Enantioselective Henry (Nitroaldol) Reaction Utilizing a Guanidine-Thiourea Bifunctional Organocatalyst

    Yoshihiro Sohtome;Yuichi Hashimoto;Kazuo Nagasawa

  • Rif1 binds to G quadruplexes and suppresses replication over long distances

    Yutaka Kanoh;Seiji Matsumoto;Rino Fukatsu;Naoko Kakusho

  • Solution Structure of an Intramolecular (3 + 1) Human Telomeric G-Quadruplex Bound to a Telomestatin Derivative

    Wan Jun Chung;Brahim Heddi;Masayuki Tera;Keisuke Iida

  • Entropy‐Controlled Catalytic Asymmetric 1,4‐Type Friedel–Crafts Reaction of Phenols Using Conformationally Flexible Guanidine/Bisthiourea Organocatalyst

    Yoshihiro Sohtome;Bongki Shin;Natsuko Horitsugi;Rika Takagi

  • Solvent-dependent enantiodivergent Mannich-type reaction: utilizing a conformationally flexible guanidine/bisthiourea organocatalyst.

    Yoshihiro Sohtome;Shinji Tanaka;Keisuke Takada;Takahisa Yamaguchi

  • A nonclassical vitamin D receptor pathway suppresses renal fibrosis

    Ichiaki Ito;Tsuyoshi Waku;Masato Aoki;Rumi Abe

  • Organocatalytic Asymmetric Nitroaldol Reaction: Cooperative Effects of Guanidine and Thiourea Functional Groups

    Yoshihiro Sohtome;Nobuko Takemura;Keisuke Takada;Rika Takagi

  • Macrocyclic hexaoxazoles as sequence- and mode-selective G-quadruplex binders.

    Masayuki Tera;Hiromichi Ishizuka;Motoki Takagi;Masami Suganuma

  • Novel non-steroidal/non-anilide type androgen antagonists with an isoxazolone moiety.

    Toshiyasu Ishioka;Asako Kubo;Yukiko Koiso;Kazuo Nagasawa

  • A Novel Glucosylation Reaction on Anthocyanins Catalyzed by Acyl-Glucose–Dependent Glucosyltransferase in the Petals of Carnation and Delphinium

    Yuki Matsuba;Nobuhiro Sasaki;Masayuki Tera;Masachika Okamura

  • Vitamin D Metabolite, 25-Hydroxyvitamin D, Regulates Lipid Metabolism by Inducing Degradation of SREBP/SCAP

    Lisa Asano;Mizuki Watanabe;Yuta Ryoden;Kousuke Usuda

  • Anti-androgens with full antagonistic activity toward human prostate tumor LNCaP cells with mutated androgen receptor

    Toshiyasu Ishioka;Aya Tanatani;Kazuo Nagasawa;Yuichi Hashimoto

  • Ligand-induced conformational changes with cation ejection upon binding to human telomeric DNA G-quadruplexes.

    Adrien Marchand;Anton Granzhan;Keisuke Iida;Yamato Tsushima

  • Topologies of G-quadruplex: Biological functions and regulation by ligands

    Yue Ma;Keisuke Iida;Kazuo Nagasawa

  • Origin of Stereocontrol in Guanidine-Bisurea Bifunctional Organocatalyst That Promotes α-Hydroxylation of Tetralone-Derived β-Ketoesters: Asymmetric Synthesis of β- and γ-Substituted Tetralone Derivatives via Organocatalytic Oxidative Kinetic Resolution

    Minami Odagi;Kota Furukori;Yoshiharu Yamamoto;Makoto Sato

  • Dynamic asymmetric organocatalysis: cooperative effects of weak interactions and conformational flexibility in asymmetric organocatalysts

    Yoshihiro Sohtome;Kazuo Nagasawa

  • Thalidomide and its analogues as cyclooxygenase inhibitors.

    Tomomi Noguchi;Rumiko Shimazawa;Kazuo Nagasawa;Yuichi Hashimoto

Frequent Co-Authors

Yuichi Hashimoto
Yuichi Hashimoto University of Tokyo
Kazuo Shin-ya
Kazuo Shin-ya National Institute of Advanced Industrial Science and Technology
Kazunori Ikebukuro
Kazunori Ikebukuro Tokyo University of Agriculture and Technology
Hiroyuki Koshino
Hiroyuki Koshino Tokyo University of Agriculture
Keiichi Noguchi
Keiichi Noguchi Tokyo University of Agriculture and Technology
Hisao Masai
Hisao Masai Tokyo Metropolitan Institute of Medical Science
Koji Sode
Koji Sode University of North Carolina at Chapel Hill
Yasukatsu Oshima
Yasukatsu Oshima Tohoku University
Kazuhiko Nakabayashi
Kazuhiko Nakabayashi National Center For Child Health and Development

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