World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 57 10948 9882 3000 2464 203 15034

Li Di publications per year

The chart shows the history of publications by Li Di between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Li Di published across 36 years, from 1990 to 2025, averaging 8.8 papers a year. Output peaked at 30 publications in 2008. 37 of the 318 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1990 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2008. 1990: 1 publication 1991: 0 publications 1992: 0 publications 1993: 3 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 1 publication 2000: 2 publications 2001: 2 publications 2002: 3 publications 2003: 3 publications 2004: 6 publications 2005: 7 publications 2006: 4 publications 2007: 4 publications 2008: 30 publications 2009: 7 publications 2010: 9 publications 2011: 8 publications 2012: 14 publications 2013: 9 publications 2014: 8 publications 2015: 12 publications 2016: 27 publications 2017: 14 publications 2018: 17 publications 2019: 14 publications 2020: 22 publications 2021: 23 publications 2022: 14 publications 2023: 17 publications 2024: 20 publications 2025: 17 publications
1990 2025

318 publications in total across all disciplines

View publications per year as a table
Li Di: publications per year, 1990 to 2025
Year Publications
1990 1
1991 0
1992 0
1993 3
1994 0
1995 0
1996 0
1997 0
1998 0
1999 1
2000 2
2001 2
2002 3
2003 3
2004 6
2005 7
2006 4
2007 4
2008 30
2009 7
2010 9
2011 8
2012 14
2013 9
2014 8
2015 12
2016 27
2017 14
2018 17
2019 14
2020 22
2021 23
2022 14
2023 17
2024 20
2025 17
Total 318
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Li Di publications per year - data summary

  • Li Di, a Chemistry scholar from Pfizer (United States), has 318 publications recorded across 36 years, from 1990 to 2025.
  • The oldest publication on record dates to 1990 and the most recent to 2025.
  • The most productive year is 2008, with 30 publications.
  • The least productive years with any output are 1990 and 1999, with 1 publication each.
  • 7 of the 36 years in the span carry no publications at all (1991, 1992, 1994, 1995 and others).
  • The rate of publication averages 8.8 papers per year over the whole span, or 11.0 per year counting only the 29 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 91 publications, 29% of the career total.
  • Split into equal eras - 1990-2001: 9 publications (0.8 per year); 2002-2013: 104 publications (8.7 per year); 2014-2025: 205 publications (17.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Li Di 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 Li Di 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, 201–220 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: 203 publications — 34th percentile

34% 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 1,281 203
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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Li Di publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • Li Di, a Chemistry scholar from Pfizer (United States), records 203 publications - the 34th percentile of the discipline.
  • 34% of ranked Chemistry scientists score the same or lower than Li Di, and about 66% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Li Di ranks below the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

Li Di 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 Li Di 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, 56–57 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: 57 D-Index — 39th percentile

39% 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 57
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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Li Di D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • Li Di, a Chemistry scholar from Pfizer (United States), records 57 D-Index - the 39th percentile of the discipline.
  • 39% of ranked Chemistry scientists score the same or lower than Li Di, and about 61% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Li Di ranks below the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Li Di is a researcher affiliated with Pfizer in the United States, with a primary focus on medicine and related subfields including neurology, pharmacology, molecular biology, oncology, and infectious diseases. Their body of work spans multiple aspects of drug metabolism, pharmacokinetics, and infectious disease research.

The scientist's recent publications cover several important topics in biomedical research. Key papers include:

  • An oral SARS-CoV-2 M pro inhibitor clinical candidate for the treatment of COVID-19, 2021, Science
  • Clinical diagnosis of 8274 samples with 2019-novel coronavirus in Wuhan, 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • Unbound Brain-to-Plasma Partition Coefficient, Kp,uu,brain-a Game Changing Parameter for CNS Drug Discovery and Development, 2022, Pharmaceutical Research
  • Recent advances in the translation of drug metabolism and pharmacokinetics science for drug discovery and development, 2022, Acta Pharmaceutica Sinica B
  • Disposition of Nirmatrelvir, an Orally Bioavailable Inhibitor of SARS-CoV-2 3C-Like Protease, across Animals and Humans, 2022, Drug Metabolism and Disposition

Li Di frequently collaborates with a network of coauthors, including Yuwei Da, Yan Lü, David A. Tess, Anthony Carlo, and Xinmei Wen. These collaborations have contributed to the development and dissemination of research across their fields of interest.

Their research has been published predominantly in several key scientific venues. These include:

  • The AAPS Journal
  • Drug Metabolism and Pharmacokinetics
  • Journal of Medicinal Chemistry
  • Pharmaceutical Research
  • Journal of Pharmaceutical Sciences

Li Di's principal topics of research cover areas such as pharmacogenetics and drug metabolism, drug transport and resistance mechanisms, computational drug discovery methods, and clinical research related to COVID-19. Other notable topics include protein interaction studies and diseases such as myasthenia gravis and thymoma.

  • Pharmacogenetics and Drug Metabolism
  • Drug Transport and Resistance Mechanisms
  • Computational Drug Discovery Methods
  • Myasthenia Gravis and Thymoma
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 Clinical Research Studies
  • Protein Interaction Studies and Fluorescence Analysis

Best Publications

  • The effect of plasma protein binding on in vivo efficacy: misconceptions in drug discovery

    Dennis A. Smith;Li Di;Edward H. Kerns

  • Coexistence of passive and carrier-mediated processes in drug transport

    Kiyohiko Sugano;Manfred Kansy;Per Artursson;Alex Avdeef

  • Strategic approaches to optimizing peptide ADME properties.

    Li Di

  • Bridging solubility between drug discovery and development.

    Li Di;Paul V. Fish;Takashi Mano

  • Demystifying brain penetration in central nervous system drug discovery. Miniperspective.

    Li Di;Haojing Rong;Bo Feng

  • Profiling drug-like properties in discovery research

    Li Di;Edward H Kerns

  • Pharmaceutical profiling in drug discovery.

    Edward H Kerns;Li Di

  • Combined application of parallel artificial membrane permeability assay and Caco-2 permeability assays in drug discovery.

    Edward H. Kerns;Li Di;Susan Petusky;Michele Farris

  • Volume of Distribution in Drug Design

    Dennis A. Smith;Kevin Beaumont;Tristan S. Maurer;Li Di

  • Development of a new permeability assay using low-efflux MDCKII cells

    Li Di;Carrie Whitney‐Pickett;John P. Umland;Hui Zhang

  • PAMPA--critical factors for better predictions of absorption.

    Alex Avdeef;Stefanie Bendels;L.i. Di;Bernard Faller

  • Development and application of high throughput plasma stability assay for drug discovery

    Li Di;Edward H. Kerns;Yan Hong;Hong Chen

  • The role of drug metabolizing enzymes in clearance

    Unknown

  • Biological assay challenges from compound solubility: strategies for bioassay optimization

    Li Di;Edward H. Kerns

  • Species Independence in Brain Tissue Binding Using Brain Homogenates

    Li Di;John P Umland;George C Chang;Youping Huang

  • The Impact of Carboxylesterases in Drug Metabolism and Pharmacokinetics

    Li Di

  • Relevance of Half-Life in Drug Design

    Dennis A. Smith;Kevin Beaumont;Tristan S. Maurer;Li Di

  • Systematic Evaluation of Bioorthogonal Reactions in Live Cells with Clickable HaloTag Ligands: Implications for Intracellular Imaging.

    Heather E. Murrey;Joshua C. Judkins;Christopher W. am Ende;T. Eric Ballard

  • Evidence-based approach to assess passive diffusion and carrier-mediated drug transport.

    Li Di;Per Artursson;Alex Avdeef;Gerhard F. Ecker

  • Clearance in Drug Design

    Dennis A Smith;Kevin Beaumont;Tristan S Maurer;Li Di

  • pH-Dependent solubility and permeability criteria for provisional biopharmaceutics classification (BCS and BDDCS) in early drug discovery.

    Manthena V. Varma;Iain Gardner;Stefanus J. Steyn;Paul Nkansah

  • Optimization of a higher throughput microsomal stability screening assay for profiling drug discovery candidates.

    Li Di;Edward H Kerns;Yan Hong;Teresa A Kleintop

  • Mechanistic insights from comparing intrinsic clearance values between human liver microsomes and hepatocytes to guide drug design

    Li Di;Christopher Keefer;Dennis O. Scott;Timothy J. Strelevitz

Frequent Co-Authors

R. Scott Obach
R. Scott Obach Pfizer (United States)
Amit S. Kalgutkar
Amit S. Kalgutkar Pfizer (United States)
Lee E. Schechter
Lee E. Schechter Princeton University
Jeffrey A. Pfefferkorn
Jeffrey A. Pfefferkorn Pfizer (United States)
Alex Avdeef
Alex Avdeef in-ADME Research
Per Artursson
Per Artursson Uppsala University
Hans Lennernäs
Hans Lennernäs Uppsala University
Tarek S. Mansour
Tarek S. Mansour Pfizer (United States)
J. Brian Houston
J. Brian Houston University of Manchester
Annaliesa S. Anderson
Annaliesa S. Anderson Pfizer (United States)

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