World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
74
Citations
17521
World Ranking
5670
National Ranking
2686

Chemistry

D-Index
74
Citations
16645
World Ranking
4807
National Ranking
1505

James C. Powers 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 James C. Powers sits on this spectrum.

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 publications 1,295+

This scientist: 246 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

James C. Powers 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 James C. Powers sits on this spectrum.

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 D-Index 159+

This scientist: 74 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

James C. Powers is affiliated with the Georgia Institute of Technology in the United States. They have contributed to the academic community through research and scholarly activities associated with this institution.

While specific details about recent publications, co-authors, or fields of study are not documented, Powers' professional profile highlights their participation in the academic environment of a notable technological university.

There are no listed recent papers, which suggests either a focus on other scholarly activities or that publication records are not currently available.

Similarly, information regarding frequent co-authors, venues of publication, or book publications is not provided, indicating limited publicly available data about collaborations or contributions to edited volumes and books.

Their documented profile does not specify particular fields or subfields of study, which means that an analysis of main research topics or disciplinary focuses cannot be developed from existing records.

No awards or recognitions are recorded, reflecting either an absence of publicly noted honors or that such details are not included in the available data.

James C. Powers is currently active and not deceased, which may suggest ongoing engagement in academic or professional activities.

Best Publications

  • Irreversible inhibitors of serine, cysteine, and threonine proteases.

    James C. Powers;Juliana L. Asgian;Özlem Dogan Ekici;Karen Ellis James

  • Purification of three cytotoxic lymphocyte granule serine proteases that induce apoptosis through distinct substrate and target cell interactions.

    Lianfa Shi;Chih-Min Kam;J. C. Powers;R. Aebersold

  • Human leukocyte and porcine pancreatic elastase: X-ray crystal structures, mechanism, substrate specificity, and mechanism-based inhibitors.

    Wolfram Bode;Edgar Meyer;James C. Powers

  • Mapping the extended substrate binding site of cathepsin G and human leukocyte elastase. Studies with peptide substrates related to the alpha 1-protease inhibitor reactive site.

    Unknown

  • Sensitive substrates for human leukocyte and porcine pancreatic elastase: A study of the merits of various chromophoric and fluorogenic leaving groups in assays for serine proteases

    Mario J. Castillo;Kiichiro Nakajima;Morris Zimmerman;James C. Powers

  • Human and murine cytotoxic T lymphocyte serine proteases: subsite mapping with peptide thioester substrates and inhibition of enzyme activity and cytolysis by isocoumarins.

    Shinjiro Odake;Chih Min Kam;Lakshmi Narasimhan;Martin Poe

  • Reaction of serine proteases with substituted isocoumarins: discovery of 3,4-dichloroisocoumarin, a new general mechanism based serine protease inhibitor.

    Harper Jw;Hemmi K;Powers Jc

  • Identification of proteases that regulate erythrocyte rupture by the malaria parasite Plasmodium falciparum.

    Shirin Arastu-Kapur;Elizabeth L Ponder;Ursa Pecar Fonović;Sharon Yeoh

  • Inhibition of the chymotrypsin-like activity of the pituitary multicatalytic proteinase complex.

    Alexander Vinitsky;Charlene Michaud;James C. Powers;Marian Orlowski

  • Specificity of porcine pancreatic elastase, human leukocyte elastase and cathepsin G. Inhibition with peptide chloromethyl ketones.

    James C. Powers;B.Frank Gupton;A.Dale Harley;Norikazu Nishino

  • Calpain inhibitor AK295 protects neurons from focal brain ischemia. Effects of postocclusion intra-arterial administration.

    R T Bartus;N J Hayward;P J Elliott;S D Sawyer

  • Irreversible inhibition of serine proteases by peptide derivatives of (alpha-aminoalkyl)phosphonate diphenyl esters.

    Jozef Oleksyszyn;James C. Powers

  • X-ray structures of human neutrophil collagenase complexed with peptide hydroxamate and peptide thiol inhibitors. Implications for substrate binding and rational drug design.

    Frank Grams;Peter Reinemer;James C. Powers;Thomas Kleine

  • Novel Peptidyl α-Keto Amide Inhibitors of Calpains and Other Cysteine Proteases

    Zhaozhao Li;Anne-Cécile Ortega-Vilain;Girish S. Patil;Der-Lun Chu

  • Granzymes (lymphocyte serine proteases): characterization with natural and synthetic substrates and inhibitors.

    Chih-Min Kam;Dorothy Hudig;James C. Powers

  • Mammalian chymotrypsin-like enzymes: comparative reactivities of rat mast cell proteases, human and dog skin chymases, and human cathepsin G with peptide 4-nitroanilide substrates and with peptide chloromethyl ketone and sulfonyl fluoride inhibitors

    J C Powers;T Tanaka;J W Harper;Y Minematsu

  • Substrate binding site in bovine chymotrypsin A-gamma. A crystallographic study using peptide chloromethyl ketones as site-specific inhibitors.

    Segal Dm;Powers Jc;Cohen Gh;Davies Dr

  • An x-ray crystallographic study of the binding of peptide chloromethyl ketone inhibitors to subtilisin BPN'.

    John D. Robertus;Richard A. Alden;Jens J. Birktoft;Joseph Kraut

  • Design of potent reversible inhibitors for thermolysin. Peptides containing zinc coordinating ligands and their use in affinity chromatography

    Norikazu Nishino;James C. Powers

  • Crystal Structures of the Main Peptidase from the SARS Coronavirus Inhibited by a Substrate-like Aza-peptide Epoxide

    Ting-Wai Lee;Maia M. Cherney;Carly Huitema;Jie Liu

  • Inhibition of thermolysin and carboxypeptidase A by phosphoramidates.

    Chih-Min Kam;Norikazu Nishino;James C. Powers

  • Calpain as a novel target for treating acute neurodegenerative disorders

    Raymond T. Bartus;Peter J. Elliott;Neil J. Hayward;Reginald L. Dean

  • Calpain inhibition protects against Taxol-induced sensory neuropathy

    Min Sheng Wang;Albert A. Davis;Deborah G. Culver;Qinbo Wang

Frequent Co-Authors

Matthew Bogyo
Matthew Bogyo Stanford University
Guy S. Salvesen
Guy S. Salvesen Sanford Burnham Prebys Medical Discovery Institute
J. Wade Harper
J. Wade Harper Harvard Medical School
James Travis
James Travis University of Georgia
Mark J. Smyth
Mark J. Smyth QIMR Berghofer Medical Research Institute
Conor R. Caffrey
Conor R. Caffrey University of Montana
Michael N. G. James
Michael N. G. James University of Alberta
James H. McKerrow
James H. McKerrow University of California, San Diego
Kotoku Kurachi
Kotoku Kurachi University of Washington
Marcin Drag
Marcin Drag Wrocław University of Science and Technology

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