World's Best Scientists 2026 revealed!
Sakayu Shimizu

Sakayu Shimizu

Award Badge
Chemistry
Japan
2025
Award Badge
Biology and Biochemistry
Japan
2023

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 91 1998 1790 108 102 536 25809
Biology and Biochemistry 91 2352 2148 144 132 544 26049

Sakayu Shimizu publications per year

The chart shows the history of publications by Sakayu Shimizu between 1970 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sakayu Shimizu published across 56 years, from 1970 to 2025, averaging 9.8 papers a year. Output peaked at 37 publications in 1999. 2 of the 548 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1970 to 2025. Vertical axis: number of publications, 0 to 37. Peak 37 publications in 1999. 1970: 2 publications 1971: 1 publication 1972: 4 publications 1973: 6 publications 1974: 2 publications 1975: 0 publications 1976: 0 publications 1977: 3 publications 1978: 2 publications 1979: 5 publications 1980: 6 publications 1981: 2 publications 1982: 0 publications 1983: 3 publications 1984: 6 publications 1985: 2 publications 1986: 10 publications 1987: 9 publications 1988: 7 publications 1989: 10 publications 1990: 10 publications 1991: 6 publications 1992: 24 publications 1993: 14 publications 1994: 9 publications 1995: 19 publications 1996: 18 publications 1997: 14 publications 1998: 27 publications 1999: 37 publications 2000: 12 publications 2001: 27 publications 2002: 20 publications 2003: 29 publications 2004: 13 publications 2005: 17 publications 2006: 14 publications 2007: 11 publications 2008: 14 publications 2009: 37 publications 2010: 16 publications 2011: 12 publications 2012: 20 publications 2013: 13 publications 2014: 12 publications 2015: 11 publications 2016: 6 publications 2017: 1 publication 2018: 1 publication 2019: 1 publication 2020: 0 publications 2021: 0 publications 2022: 1 publication 2023: 0 publications 2024: 1 publication 2025: 1 publication
1970 2025

548 publications in total across all disciplines

View publications per year as a table
Sakayu Shimizu: publications per year, 1970 to 2025
Year Publications
1970 2
1971 1
1972 4
1973 6
1974 2
1975 0
1976 0
1977 3
1978 2
1979 5
1980 6
1981 2
1982 0
1983 3
1984 6
1985 2
1986 10
1987 9
1988 7
1989 10
1990 10
1991 6
1992 24
1993 14
1994 9
1995 19
1996 18
1997 14
1998 27
1999 37
2000 12
2001 27
2002 20
2003 29
2004 13
2005 17
2006 14
2007 11
2008 14
2009 37
2010 16
2011 12
2012 20
2013 13
2014 12
2015 11
2016 6
2017 1
2018 1
2019 1
2020 0
2021 0
2022 1
2023 0
2024 1
2025 1
Total 548
Download as CSV

Sakayu Shimizu 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 Sakayu Shimizu 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, 521–540 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: 536 publications — 90th percentile

90% 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
461–480 265
481–500 252
501–520 201
521–540 185 536
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
Download as CSV

Sakayu Shimizu 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 Sakayu Shimizu 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, 90–91 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: 91 D-Index — 89th percentile

89% 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
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 91
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
Download as CSV

Research.com Recognitions

  • 2025 - Research.com Chemistry in Japan Leader Award
  • 2023 - Research.com Biology and Biochemistry in Japan Leader Award
  • 2022 - Research.com Chemistry in Japan Leader Award

Overview

Sakayu Shimizu is a researcher affiliated with Kyoto University in Japan, specializing in the fields of biochemistry, genetics, and molecular biology. Their work predominantly focuses on biochemical and molecular research, amino acid enzymes and metabolism, metabolism and genetic disorders, HIV/AIDS drug development and treatment, enzyme structure and function, and enzyme catalysis and immobilization.

Their recent published papers include the following:

  • Gene identification and enzymatic characterization of the initial enzyme in pyrimidine oxidative metabolism, uracil-thymine dehydrogenase (2024, Journal of Bioscience and Bioengineering)
  • Characterization of N-malonylurea hydrolase in the pyrimidine oxidative degradation pathway of Rhodococcus erythropolis JCM 3132 (2025, Bioscience Biotechnology and Biochemistry)
  • Three enzymes of Rhizobium radiobacter involved in the novel metabolism of two naturally occurring bioactive oxidative derivatives of l-isoleucine (2022, Bioscience Biotechnology and Biochemistry)

Shimizu frequently collaborates with other researchers in their field, including Jun Ogawa, Chee-Leong Soong, Kengo Deguchi, Michiki Takeuchi, and Nobuyuki Horinouchi. These collaborations reflect a significant engagement with peers focusing on related biochemical and molecular studies.

The scientist has published mainly in the following venues:

  • Bioscience Biotechnology and Biochemistry
  • Journal of Bioscience and Bioengineering

Their research spans several subfields including molecular biology, biochemistry, clinical biochemistry, infectious diseases, and materials chemistry. This multidisciplinary approach allows for a comprehensive examination of enzyme-related metabolic pathways and genetic factors.

Best Publications

  • Secretion of Flavins by Shewanella Species and Their Role in Extracellular Electron Transfer

    Harald von Canstein;Jun Ogawa;Sakayu Shimizu;Jonathan R. Lloyd

  • Cobalt proteins

    Michihiko Kobayashi;Michihiko Kobayashi;Sakayu Shimizu

  • Biosynthesis and regulation of microbial polyunsaturated fatty acid production.

    Milan Certik;Sakayu Shimizu

  • Metalloenzyme nitrile hydratase: Structure, regulation, and application to biotechnology

    Michihiko Kobayashi;Sakayu Shimizu

  • Polyunsaturated fatty acid saturation by gut lactic acid bacteria affecting host lipid composition

    Shigenobu Kishino;Michiki Takeuchi;Si Bum Park;Akiko Hirata

  • Production of conjugated fatty acids by lactic acid bacteria.

    Jun Ogawa;Shigenobu Kishino;Akinori Ando;Satoshi Sugimoto

  • Whole organism biocatalysis.

    Takeru Ishige;Kohsuke Honda;Sakayu Shimizu

  • Production of arachidonic acid by Mortierella fungi

    Yoshifumi Shinmen;Sakayu Shimizu;Kengo Akimoto;Hiroshi Kawashima

  • Conjugated linoleic acid production from linoleic acid by lactic acid bacteria

    Shigenobu Kishino;Jun Ogawa;Yoriko Omura;Kenji Matsumura

  • Enzymatic determination of serum-free fatty acids: a colorimetric method

    Sakayu Shimizu;Yoshiki Tani;Hideaki Yamada;Masayoshi Tabata

  • Bioelectrocatalytic reduction of dioxygen to water at neutral pH using bilirubin oxidase as an enzyme and 2,2′-azinobis (3-ethylbenzothiazolin-6-sulfonate) as an electron transfer mediator

    Seiya Tsujimura;Hirosuke Tatsumi;Jun Ogawa;Sakayu Shimizu

  • Engineering Cytochrome P450 BM-3 for Oxidation of Polycyclic Aromatic Hydrocarbons

    Qing-Shan Li;Jun Ogawa;Rolf D. Schmid;Sakayu Shimizu

  • Sesamin is a potent and specific inhibitor of delta 5 desaturase in polyunsaturated fatty acid biosynthesis

    Sakayu Shimizu;Kengo Akimoto;Yoshifumi Shinmen;Hiroshi Kawashima

  • Conjugated Linoleic Acid Accumulation via 10-Hydroxy-12-Octadecaenoic Acid during Microaerobic Transformation of Linoleic Acid by Lactobacillus acidophilus

    Jun Ogawa;Kenji Matsumura;Shigenobu Kishino;Yoriko Omura

  • Novel bioreduction system for the production of chiral alcohols

    M. Kataoka;K. Kita;M. Wada;Y. Yasohara

  • Synthesis of optically pure ethyl (S)-4-chloro-3-hydroxybutanoate by Escherichia coli transformant cells coexpressing the carbonyl reductase and glucose dehydrogenase genes.

    N. Kizaki;Y. Yasohara;J. Hasegawa;M. Wada

  • ENZYMATIC MICRODETERMINATION OF SERUM FREE FATTY ACIDS

    Sakayu Shimizu;Keiko Inoue;Yoshiki Tani;Hideaki Yamada

  • Microbial and Enzymatic Processes for the Production of Biologically and Chemically Useful Compounds [New Synthetic Methods (69)]

    Hideaki Yamada;Sakayu Shimizu

  • Versatile nitrilases: Nitrile‐hydrolysing enzymes

    Michihiko Kobayashi;Sakayu Shimizu

  • Protective Effects of Sesamin against Liver Damage Caused by Alcohol or Carbon Tetrachloride in Rodents

    Kengo Akimoto;Yoshinori Kitagawa;Tsuyoshi Akamatsu;Nobuaki Hirose

Frequent Co-Authors

Jun Ogawa
Jun Ogawa Kyoto University
Hideaki Yamada
Hideaki Yamada National Institute of Advanced Industrial Science and Technology
Masaru Tanokura
Masaru Tanokura University of Tokyo
Tohru Dairi
Tohru Dairi Hokkaido University
Armin Fiechter
Armin Fiechter ETH Zurich
Rolf D. Schmid
Rolf D. Schmid University of Stuttgart
Kunio Miki
Kunio Miki Kyoto University
Michihiro Sugano
Michihiro Sugano Kyushu University
Mitsuyoshi Ueda
Mitsuyoshi Ueda Kyoto University
Hiroshi Takagi
Hiroshi Takagi Nara Institute of Science and Technology

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

For students studying Chemistry in the USA, exploring related online degrees can open diverse career pathways. For example, an online associate degree in criminal justice offers a foundation in forensic science roles, where chemical analysis plays a key part in investigations.

Another promising option is pursuing a paralegal career, which often requires specific legal education. Understanding paralegal salary trends can help students assess their financial prospects in this field that blends science and law.

If you’re interested in the pharmaceutical industry, becoming a pharmaceutical sales representative is a viable route. Researching the pharma sales rep salary and career paths can guide you on how to combine your chemistry background with strong communication skills.

For those aiming higher, the path to becoming a pharmacist requires significant commitment. Knowing how long does it take to become a pharmacist helps students plan their education timeline effectively while pursuing advanced chemistry and pharmaceutical coursework.

Best Scientists Citing Sakayu Shimizu

Trending Scientists

Recently Published Articles