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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 79 3629 3291 1168 978 335 21497

Douglas S. Clark publications per year

The chart shows the history of publications by Douglas S. Clark between 1960 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Douglas S. Clark published across 66 years, from 1960 to 2025, averaging 5.9 papers a year. Output peaked at 19 publications in 2001. 14 of the 387 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1960 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2001. 1960: 1 publication 1961: 0 publications 1962: 1 publication 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 2 publications 1975: 1 publication 1976: 2 publications 1977: 1 publication 1978: 0 publications 1979: 2 publications 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 1 publication 1984: 8 publications 1985: 1 publication 1986: 5 publications 1987: 4 publications 1988: 7 publications 1989: 8 publications 1990: 6 publications 1991: 9 publications 1992: 7 publications 1993: 8 publications 1994: 9 publications 1995: 8 publications 1996: 5 publications 1997: 6 publications 1998: 11 publications 1999: 5 publications 2000: 10 publications 2001: 19 publications 2002: 14 publications 2003: 3 publications 2004: 6 publications 2005: 4 publications 2006: 13 publications 2007: 8 publications 2008: 13 publications 2009: 14 publications 2010: 13 publications 2011: 14 publications 2012: 13 publications 2013: 11 publications 2014: 10 publications 2015: 11 publications 2016: 11 publications 2017: 4 publications 2018: 5 publications 2019: 10 publications 2020: 13 publications 2021: 15 publications 2022: 15 publications 2023: 5 publications 2024: 12 publications 2025: 2 publications
1960 2025

387 publications in total across all disciplines

View publications per year as a table
Douglas S. Clark: publications per year, 1960 to 2025
Year Publications
1960 1
1961 0
1962 1
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 2
1975 1
1976 2
1977 1
1978 0
1979 2
1980 0
1981 0
1982 1
1983 1
1984 8
1985 1
1986 5
1987 4
1988 7
1989 8
1990 6
1991 9
1992 7
1993 8
1994 9
1995 8
1996 5
1997 6
1998 11
1999 5
2000 10
2001 19
2002 14
2003 3
2004 6
2005 4
2006 13
2007 8
2008 13
2009 14
2010 13
2011 14
2012 13
2013 11
2014 10
2015 11
2016 11
2017 4
2018 5
2019 10
2020 13
2021 15
2022 15
2023 5
2024 12
2025 2
Total 387
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Douglas S. Clark 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 Douglas S. Clark 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, 321–340 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: 335 publications — 70th percentile

70% 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
321–340 643 335
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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Douglas S. Clark 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 Douglas S. Clark 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, 78–79 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: 79 D-Index — 80th percentile

80% 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 79
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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Research.com Recognitions

  • 2019 - Member of the National Academy of Engineering For advances in biocatalyst and bioreaction engineering for drug discovery, drug screening, and bioprocessing.

Overview

Douglas S. Clark is affiliated with the University of California, Berkeley in the United States. Their research focuses extensively on biochemistry, genetics, and molecular biology, with significant contributions across several specialized subfields. These subfields include molecular biology, renewable energy, sustainability and the environment, organic chemistry, biomedical engineering, and environmental engineering.

Clark's work addresses multiple scientific topics, primarily involving microbial fuel cells and bioremediation, enzyme catalysis and immobilization, cyclopropane reaction mechanisms, biodegradable polymer synthesis and properties, electrocatalysts for energy conversion, asymmetric hydrogenation and catalysis, and microbial metabolic engineering and bioproduction.

Key recent publications illustrate the scope of Clark's studies. Among them are:

  • Unnatural biosynthesis by an engineered microorganism with heterologously expressed natural enzymes and an artificial metalloenzyme, 2021, Nature Chemistry
  • Abiotic reduction of ketones with silanes catalysed by carbonic anhydrase through an enzymatic zinc hydride, 2021, Nature Chemistry
  • Towards a Biomanufactory on Mars, 2021, Frontiers in Astronomy and Space Sciences
  • Complete integration of carbene-transfer chemistry into biosynthesis, 2023, Nature
  • Phase-separated biomolecular condensates for biocatalysis, 2023, Trends in Biotechnology

Clark frequently publishes in several scientific venues including:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Biotechnology and Bioengineering
  • Journal of the American Chemical Society
  • Nature Chemistry
  • Trends in Biotechnology

Collaborative efforts are a part of Clark's research activities, working regularly with coauthors such as Anthony J. Abel, Adam P. Arkin, John F. Hartwig, Brandon J. Bloomer, and Dominic J. Glover.

In recognition of their contributions to the field, Clark was named a Member of the National Academy of Engineering in 2019 for advances in biocatalyst and bioreaction engineering relevant to drug discovery, drug screening, and bioprocessing.

Best Publications

  • Metagenomic discovery of biomass-degrading genes and genomes from cow rumen.

    Matthias Hess;Matthias Hess;Alexander Sczyrba;Alexander Sczyrba;Rob Egan;Rob Egan;Tae Wan Kim

  • Long-term antibacterial efficacy of air plasma-activated water

    Matthew J Traylor;Matthew J Pavlovich;Sharmin Karim;Pritha Hait

  • Pressure effects on intra- and intermolecular interactions within proteins

    Boonchai B Boonyaratanakornkit;Chan Beum Park;Douglas S Clark

  • Abiological catalysis by artificial haem proteins containing noble metals in place of iron

    Hanna M. Key;Paweł Dydio;Paweł Dydio;Douglas S. Clark;John F. Hartwig;John F. Hartwig

  • Integration of chemical catalysis with extractive fermentation to produce fuels

    Pazhamalai Anbarasan;Pazhamalai Anbarasan;Zachary C. Baer;Zachary C. Baer;Sanil Sreekumar;Sanil Sreekumar;Elad Gross;Elad Gross

  • Ionic liquid pretreatment of cellulosic biomass: enzymatic hydrolysis and ionic liquid recycle

    Harvey W. Blanch;Sasisanker Padmanabhan

  • Enzymatic catalysis and dynamics in low-water environments.

    Rhett Affleck;Zu-Feng Xu;Valerie Suzawa;Kathleen Focht

  • An artificial metalloenzyme with the kinetics of native enzymes

    P. Dydio;P. Dydio;H. M. Key;H. M. Key;A. Nazarenko;J. Y.-E. Rha

  • Three-dimensional cellular microarray for high-throughput toxicology assays.

    Moo Yeal Lee;R. Anand Kumar;Sumitra M. Sukumaran;Michael G. Hogg

  • Salts dramatically enhance activity of enzymes suspended in organic solvents

    Yuri L. Khmelnitsky;Stephanie H. Welch;Douglas S. Clark;Jonathan S. Dordick

  • Conformational properties of the complexes formed by proteins and sodium dodecyl sulfate

    Wayne L. Mattice;James M. Riser;Donald S. Clark

  • High-throughput cellular microarray platforms: applications in drug discovery, toxicology and stem cell research

    Tiago G. Fernandes;Maria Margarida Diogo;Douglas S. Clark;Jonathan S. Dordick

  • Ozone correlates with antibacterial effects from indirect air dielectric barrier discharge treatment of water

    Matthew J Pavlovich;Hung-Wen Chang;Hung-Wen Chang;Yukinori Sakiyama;Douglas S Clark

  • Role of alcohols in growth, lipid composition, and membrane fluidity of yeasts, bacteria, and archaea.

    Sarah Huffer;Melinda E. Clark;Jonathan C. Ning;Harvey W. Blanch

  • Molecularly-imprinted material made by template-directed synthesis

    Michael A. Markowitz;Paul E. Schoen;Bruce P. Gaber;Banahalli R. Ratna

  • Nature Versus Nurture: Developing Enzymes That Function Under Extreme Conditions

    Michael J. Liszka;Melinda E. Clark;Elizabeth Schneider;Douglas S. Clark

  • Enzymatic oxidation of cholesterol aggregates in supercritical carbon dioxide.

    T. W. Randolph;D. S. Clark;H. W. Blanch;J. M. Prausnitz

  • Biocatalysis in semi-aqueous and nearly anhydrous conditions.

    Elton P Hudson;Ross K Eppler;Douglas S Clark

  • Cytochrome P450 (CYP) enzymes and the development of CYP biosensors.

    Elizabeth Schneider;Douglas S. Clark

  • Chemoselective, enzymatic C-H bond amination catalyzed by a cytochrome P450 containing an Ir(Me)-PIX cofactor

    Paweł Dydio;Paweł Dydio;Hanna M. Key;Hanna M. Key;Hiroki Hayashi;Hiroki Hayashi;Douglas S. Clark;Douglas S. Clark

  • Photopatterning enzymes on polymer monoliths in microfluidic devices for steady-state kinetic analysis and spatially separated multi-enzyme reactions.

    Timothy C. Logan;Douglas S. Clark;Timothy B. Stachowiak;Frantisek Svec

  • Metabolizing enzyme toxicology assay chip (MetaChip) for high-throughput microscale toxicity analyses

    Moo-Yeal Lee;Chan Beum Park;Jonathan S. Dordick;Douglas S. Clark

Frequent Co-Authors

Harvey W. Blanch
Harvey W. Blanch University of California, Berkeley
Jonathan S. Dordick
Jonathan S. Dordick Rensselaer Polytechnic Institute
Jay D. Keasling
Jay D. Keasling University of California, Berkeley
John F. Hartwig
John F. Hartwig University of California, Berkeley
John M. Prausnitz
John M. Prausnitz University of California, Berkeley
Edward M. Rubin
Edward M. Rubin Joint Genome Institute
David V. Schaffer
David V. Schaffer University of California, Berkeley
F. Dean Toste
F. Dean Toste University of California, Berkeley
Jeffrey A. Reimer
Jeffrey A. Reimer University of California, Berkeley
Frank T. Robb
Frank T. Robb University of Maryland, Baltimore

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