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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 46 15954 14391 3984 3268 134 8530

Heebyung Chai publications per year

The chart shows the history of publications by Heebyung Chai between 1976 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Heebyung Chai published across 50 years, from 1976 to 2025, averaging 3 papers a year. Output peaked at 10 publications in 1999. 2 of the 151 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1976 to 2025. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 1999. 1976: 1 publication 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 1 publication 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 1 publication 1993: 6 publications 1994: 6 publications 1995: 7 publications 1996: 5 publications 1997: 4 publications 1998: 5 publications 1999: 10 publications 2000: 6 publications 2001: 8 publications 2002: 7 publications 2003: 5 publications 2004: 7 publications 2005: 2 publications 2006: 6 publications 2007: 7 publications 2008: 4 publications 2009: 4 publications 2010: 5 publications 2011: 7 publications 2012: 8 publications 2013: 5 publications 2014: 8 publications 2015: 6 publications 2016: 3 publications 2017: 3 publications 2018: 0 publications 2019: 1 publication 2020: 1 publication 2021: 0 publications 2022: 0 publications 2023: 0 publications 2024: 0 publications 2025: 2 publications
1976 2025

151 publications in total across all disciplines

View publications per year as a table
Heebyung Chai: publications per year, 1976 to 2025
Year Publications
1976 1
1977 0
1978 0
1979 0
1980 0
1981 1
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 1
1993 6
1994 6
1995 7
1996 5
1997 4
1998 5
1999 10
2000 6
2001 8
2002 7
2003 5
2004 7
2005 2
2006 6
2007 7
2008 4
2009 4
2010 5
2011 7
2012 8
2013 5
2014 8
2015 6
2016 3
2017 3
2018 0
2019 1
2020 1
2021 0
2022 0
2023 0
2024 0
2025 2
Total 151
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Heebyung Chai 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 Heebyung Chai 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, 121–140 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: 134 publications — 9th percentile

9% 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
121–140 918 134
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
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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Heebyung Chai 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 Heebyung Chai 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, 46–47 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: 46 D-Index — 12th percentile

12% 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 46
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

Heebyung Chai is affiliated with The Ohio State University in the United States. Their research portfolio includes work focused on pharmacology, biomaterials, and rehabilitation, reflecting multidisciplinary engagement across these subfields.

The scientist's work centers on pharmacological effects of natural compounds as well as phytochemistry and bioactive compounds, with particular emphasis on Magnolia and Illicium plant research. These topics are covered in all documented publications to date.

Heebyung Chai has contributed to publications in the following venues:

  • Bioorganic & Medicinal Chemistry
  • Journal of Materials Chemistry B

Among the notable papers authored, two stand out:

  • "Cytotoxic and non-cytotoxic cardiac glycosides isolated from the combined flowers, leaves, and twigs of Streblus asper" (2020, Bioorganic & Medicinal Chemistry)
  • "A pH-responsive anthocyanin-based hydrogel with colorimetric infection monitoring and antibacterial properties for wound healing" (2025, Journal of Materials Chemistry B)

This work reveals a range of research interests, from natural product pharmacology to biomaterials with biomedical applications.

Heebyung Chai has collaborated with several researchers, including:

  • Yulin Ren
  • Qing-Wei Tan
  • Kimberly N. Heath
  • Sijin Wu
  • James R. Wilson

Best Publications

  • Discovery of betulinic acid as a selective inhibitor of human melanoma that functions by induction of apoptosis

    E Pisha;H Chai;I S Lee;T E Chagwedera

  • The relevance of higher plants in lead compound discovery programs.

    A. Douglas Kinghorn;Li Pan;Joshua N. Fletcher;Heebyung Chai

  • Silvestrol and episilvestrol, potential anticancer rocaglate derivatives from Aglaia silvestris.

    Bang Yeon Hwang;Bao Ning Su;Heebyung Chai;Qiuwen Mi

  • Cytotoxic and antimalarial alkaloids from the bulbs of Crinum amabile

    Kittisak Likhitwitayawuid;Cindy K. Angerhofer;Heebyung Chai;John M. Pezzuto

  • Lignans and Other Constituents of the Fruits of Euterpe oleracea (Açai) with Antioxidant and Cytoprotective Activities

    Young-Won Chin;Hee-Byung Chai;William J. Keller;A. Douglas Kinghorn

  • A Mixed Micellar Formulation Suitable for the Parenteral Administration of Taxol

    Hayat Alkan-Onyuksel;Suganthi Ramakrishnan;Hee-Byung Chai;John M. Pezzuto

  • The continuing search for antitumor agents from higher plants

    Li Pan;Heebyung Chai;A. Douglas Kinghorn

  • Chemical and bioactive constituents from Zanthoxylum simulans

    Ih Sheng Chen;Shwu Jen Wu;Ian Lih Tsai;Tian Shung Wu

  • Cytotoxic biflavonoids from Selaginella willdenowii

    Gloria L. Silva;Heebyung Chai;Mahabir P. Gupta;Norman R. Farnsworth

  • Anthraquinones with quinone reductase-inducing activity and benzophenones from Morinda citrifolia (noni) roots

    Ye Deng;Young-Won Chin;Heebyung Chai;William J Keller

  • Diterpenes from the berries of Juniperus excelsa.

    Gülaçti Topçu;Ramazan Erenler;Osman Çakmak;Candan Bozok Johansson

  • (-)-Roemerine, an aporphine alkaloid from Annona senegalensis that reverses the multidrug-resistance phenotype with cultured cells.

    M You;D B Wickramaratne;G L Silva;H Chai

  • Cytotoxic and antimalarial alkaloids from the tubers of Stephania pierrei.

    Kittisak Likhitwitayawuid;Cindy K. Angerhofer;Heebyung Chai;John M. Pezzuto

  • Xanthones with quinone reductase-inducing activity from the fruits of Garcinia mangostana (Mangosteen).

    Young-Won Chin;Hyun-Ah Jung;Heebyung Chai;William J. Keller

  • Bioactive constituents of Helianthus tuberosus (Jerusalem artichoke)

    Li Pan;Michelle R. Sinden;Aaron H. Kennedy;Heebyung Chai

  • Preparation of amino acid conjugates of betulinic acid with activity against human melanoma.

    Hyeh-Jean Jeong;Hee-Byung Chai;So-Young Park;Darrick S.H.L Kim

  • Cytotoxic flavone analogues of vitexicarpin, a constituent of the leaves of Vitex negundo.

    Fredyc Díaz;Daniel Chávez;Dongho Lee;Qiuwen Mi

  • Silvestrol, a Potential Anticancer Rocaglate Derivative from Aglaia foveolata, Induces Apoptosis in LNCaP Cells through the Mitochondrial/Apoptosome Pathway without Activation of Executioner Caspase-3 or -7

    Soyoung Kim;Bang Yeon Hwang;Bao-Ning Su;Heebyung Chai

  • Antioxidant and cytoprotective compounds from Berberis vulgaris (barberry).

    Hideyuki Tomosaka;Young-Won Chin;Angela A. Salim;William J. Keller

  • Cytotoxic and Antimicrobial Constituents of the Bark of Diospyros maritima Collected in Two Geographical Locations in Indonesia

    Jian Qiao Gu;Tyler N. Graf;Dongho Lee;Hee Byung Chai

  • Resveratrol Tetramers from Vatica diospyroides

    Eun Kyoung Seo;Heebyung Chai;Howard L. Constant;Thawatchai Santisuk

  • Structure and stereochemistry of pectinolides A-C, novel antimicrobial and cytotoxic 5,6-dihydro-α-pyrones from Hyptis pectinata

    Rogelio Pereda-Miranda;Lourdes Hernández;Manuela Judith Villavicencio;Miriam Novelo

  • Lycorine alkaloids from Hymenocallis littoralis

    Long-Ze Lin;Shu-Fang Hu;Hee-Byung Chai;Thitima Pengsuparp

Frequent Co-Authors

A. Douglas Kinghorn
A. Douglas Kinghorn The Ohio State University
John M. Pezzuto
John M. Pezzuto Western New England University
Geoffrey A. Cordell
Geoffrey A. Cordell University of Florida
Norman R. Farnsworth
Norman R. Farnsworth University of Illinois at Chicago
Bernard D. Santarsiero
Bernard D. Santarsiero University of Illinois at Chicago
Roberto R. Gil
Roberto R. Gil Carnegie Mellon University
Mansukh C. Wani
Mansukh C. Wani Research Triangle Park Foundation
James R. Fuchs
James R. Fuchs The Ohio State University
Harry H. S. Fong
Harry H. S. Fong University of Illinois at Chicago
Andrew D. Mesecar
Andrew D. Mesecar Purdue University West Lafayette

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