World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
68
Citations
12314
World Ranking
6731
National Ranking
45

Ephraim Katchalski 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 Ephraim Katchalski 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: 158 publications — 17th percentile

17% of scientists in this discipline score the same or lower.

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

Ephraim Katchalski 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 Ephraim Katchalski 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: 68 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Overview

Ephraim Katchalski was a researcher affiliated with the Weizmann Institute of Science in Israel. Their work was documented mainly through publications in the journal Biopolymers, where all of their recent recorded papers appeared.

The recent papers attributed to them, showing continuity in publication from 2021 to 2023, include:

  • Issue Information, 2021, Biopolymers
  • Issue Information, 2022, Biopolymers
  • Issue Information, 2023, Biopolymers
  • Issue Information, 2023, Biopolymers
  • Issue Information, 2023, Biopolymers

These papers, while all sharing the same title "Issue Information," reflect a series of contributions over multiple years with different primary authors associated, indicating a collaborative editorial or contributing role in these volumes.

Katchalski worked with several frequent co-authors, each appearing in five co-authored works. These included:

  • Elkan Blout
  • Murray Goodman
  • David N. Beratan
  • Stephen C. Blacklow
  • Axel T. Brünger

Their publication activity was strongly tied to the journal Biopolymers, which served as their main venue of scholarly output.

Although specific research fields or topics were not enumerated, the association with Biopolymers suggests involvement in areas related to biochemical polymers and molecular biology, consistent with the focus of that journal.

The absence of recorded awards or book publications suggests their academic contributions were primarily journal-based. Their continuing collaborations with established scientists indicate engagement in ongoing research networks within their domain.

Best Publications

  • Poly-α-Amino Acids

    Ephraim Katchalski

  • The Configurational Changes of Poly-L-proline in Solution

    Izchak Z. Steinberg;William F. Harrington;Arieh Berger;Michael Sela

  • Synthesis and chemical properties of poly-alpha-amino acids.

    Ephraim Katchalski;Michael Sela

  • A WATER-INSOLUBLE POLYANIONIC DERIVATIVE OF TRYPSIN. I. PREPARATION AND PROPERTIES.

    Yehuda Levin;Marit Pecht;Leon Goldstein;Ephraim Katchalski

  • Lymphocyte transformation induced by concanavalin A and its reversion by methyl-α-d-mannopyranoside

    Abraham Novogrodsky;Ephraim Katchalski

  • Theoretical Analysis of the Role of Diffusion in Chemical Reactions, Fluorescence Quenching, and Nonradiative Energy Transfer

    Izchak Z. Steinberg;Ephraim Katchalski

  • Precipitation of arabic acid and some seed polysaccharides by glycosylphenylazo dyes

    J Yariv;H Lis;E Katchalski

  • Polymers tripeptides as collagen models. II. Conformational changes of poly(L-prolyl-glycyl-L-prolyl) in solution.

    J. Engel;J. Kurtz;E. Katchalski;A. Berger

  • Conformational studies of poly‐L‐alanine in water

    R. T. Ingwall;H. A. Scheraga;N. Lotan;A. Berger

  • Papain-collodion membranes. I. Preparation and properties.

    Goldman R;Kedem O;Silman Ih;Caplan

  • Biological properties of poly-alpha-amino acids.

    Michael Sela;Ephraim Katchalski

  • Soybean hemagglutinin, a plant glycoprotein. I. Isolation of a glycopeptide.

    Halina Lis;Nathan Sharon;Ephraim Katchalski

  • Papain--collodion membranes. II. Analysis of the kinetic behavior of enzymes immobilized in artificial membranes.

    Rachel. Goldman;Ora. Kedem;Ephraim. Katchalski

  • Kinetic behavior of a two-enzyme membrane carrying out a consecutive set of reactions

    Rachel Goldman;Ephraim Katchalski

  • Poly-L-proline

    Arieh Berger;Joseph Kurtz;Ephraim Katchalski

  • The Availability of the Disulfide Bonds of Human and Bovine Serum Albumin and of Bovine γ-Globulin to Reduction by Thioglycolic Acid

    Ephraim Katchalski;George S. Benjamin;Violet Gross

  • PREPARATION AND PROPERTIES OF WATER-INSOLUBLE DERIVATIVES OF UREASE.

    Erella Riesel;Ephraim Katchalski

  • A Synthesis of Cyclic Peptides Utilizing High Molecular Weight Carriers

    Mati Fridkin;Abraham Patchornik;Ephraim Katchalski

  • A Two-stage Cleavage of Rabbit γ-Globulin by a Water-insoluble Papain Preparation Followed by Cysteine

    John J. Cebra;David Givol;H.I. Silman;Ephraim Katchalski

  • Papain Membrane on a Collodion Matrix: Preparation and Enzymic Behavior

    R. Goldman;H. I. Silman;S. R. Caplan;O. Kedem

  • Effect of the microenvironment on the mode of action of immobilized enzymes.

    Ephraim Katchalski;Israel Silman;Rachel Goldman

Frequent Co-Authors

Michael Sela
Michael Sela Weizmann Institute of Science
Nathan Sharon
Nathan Sharon Weizmann Institute of Science
Mati Fridkin
Mati Fridkin Weizmann Institute of Science
Halina Lis
Halina Lis Weizmann Institute of Science
Uriel Z. Littauer
Uriel Z. Littauer Weizmann Institute of Science
Israel Silman
Israel Silman Weizmann Institute of Science
Jeffrey M. Becker
Jeffrey M. Becker University of Tennessee at Knoxville
David Givol
David Givol Weizmann Institute of Science
Harold A. Scheraga
Harold A. Scheraga Cornell University
Leo Sachs
Leo Sachs Weizmann Institute of Science

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 interested in expanding their career options beyond traditional Chemistry roles, related fields such as forensic science and criminal justice offer exciting opportunities. Many reputable online colleges for forensic science provide flexible programs that allow learners to combine their chemistry knowledge with practical applications in crime scene investigation and analysis.

Additionally, specialized graduate programs like forensic psychology graduate programs online offer avenues for students interested in the psychological aspects of criminal behavior. These online degrees equip graduates with skills to support legal processes through behavioral analysis.

Career prospects in these interdisciplinary fields are diverse. Exploring forensic careers can reveal roles such as crime lab analysts, forensic toxicologists, and criminal investigators, all of which build on a strong foundation in chemistry.

When considering these options, it’s important to also understand the financial commitment involved. Reviewing the cost of criminal justice degree programs can help prospective students plan accordingly and make informed decisions about their education investments.

Best Scientists Citing Ephraim Katchalski