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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 87 2391 2153 846 710 679 28918

Karl F. Freed publications per year

The chart shows the history of publications by Karl F. Freed between 1965 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karl F. Freed published across 58 years, from 1965 to 2022, averaging 12.3 papers a year. Output peaked at 28 publications in 1983. 4 of the 715 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1965 to 2022. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 1983. 1965: 1 publication 1966: 3 publications 1967: 2 publications 1968: 3 publications 1969: 2 publications 1970: 11 publications 1971: 8 publications 1972: 8 publications 1973: 4 publications 1974: 17 publications 1975: 12 publications 1976: 17 publications 1977: 17 publications 1978: 16 publications 1979: 12 publications 1980: 18 publications 1981: 26 publications 1982: 14 publications 1983: 28 publications 1984: 22 publications 1985: 18 publications 1986: 23 publications 1987: 27 publications 1988: 12 publications 1989: 15 publications 1990: 14 publications 1991: 17 publications 1992: 16 publications 1993: 15 publications 1994: 20 publications 1995: 17 publications 1996: 14 publications 1997: 12 publications 1998: 10 publications 1999: 4 publications 2000: 15 publications 2001: 7 publications 2002: 11 publications 2003: 13 publications 2004: 4 publications 2005: 18 publications 2006: 8 publications 2007: 12 publications 2008: 15 publications 2009: 15 publications 2010: 13 publications 2011: 9 publications 2012: 15 publications 2013: 9 publications 2014: 13 publications 2015: 15 publications 2016: 17 publications 2017: 10 publications 2018: 10 publications 2019: 5 publications 2020: 2 publications 2021: 3 publications 2022: 1 publication
1965 2022

715 publications in total across all disciplines

View publications per year as a table
Karl F. Freed: publications per year, 1965 to 2022
Year Publications
1965 1
1966 3
1967 2
1968 3
1969 2
1970 11
1971 8
1972 8
1973 4
1974 17
1975 12
1976 17
1977 17
1978 16
1979 12
1980 18
1981 26
1982 14
1983 28
1984 22
1985 18
1986 23
1987 27
1988 12
1989 15
1990 14
1991 17
1992 16
1993 15
1994 20
1995 17
1996 14
1997 12
1998 10
1999 4
2000 15
2001 7
2002 11
2003 13
2004 4
2005 18
2006 8
2007 12
2008 15
2009 15
2010 13
2011 9
2012 15
2013 9
2014 13
2015 15
2016 17
2017 10
2018 10
2019 5
2020 2
2021 3
2022 1
Total 715
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Karl F. Freed 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 Karl F. Freed 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, 661–680 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: 679 publications — 95th percentile

95% 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
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 92 679
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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Karl F. Freed 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 Karl F. Freed 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, 86–87 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: 87 D-Index — 87th percentile

87% 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
80–81 354
82–83 292
84–85 275
86–87 254 87
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

  • 1969 - Fellow of Alfred P. Sloan Foundation

Overview

Karl F. Freed is affiliated with the University of Chicago in the United States. Their research primarily focuses on biochemistry, genetics, and molecular biology, alongside contributions in chemistry. The main topics of their work include protein structure and dynamics, mass spectrometry techniques and applications, advanced chemical physics studies, Alzheimer's disease research and treatments, enzyme structure and function, RNA and protein synthesis mechanisms, and supramolecular self-assembly in materials.

The scientist's recent publications encompass studies published between 2020 and 2022. Notable papers include:

  • "Prediction and Validation of a Protein's Free Energy Surface Using Hydrogen Exchange and (Importantly) Its Denaturant Dependence," 2021, Journal of Chemical Theory and Computation
  • "Challenges and Advantages of Accounting for Backbone Flexibility in Prediction of Protein-Protein Complexes," 2022, Journal of Chemical Theory and Computation
  • "Molecular dynamics study of water channels in natural and synthetic amyloid-β fibrils," 2021, The Journal of Chemical Physics
  • "Water Dynamics and Interactions Inside Amyloid-Beta Fibrils," 2020, Biophysical Journal
  • "Upside: Protein Folding in CPU-Hours with Applications to Force-Unfolding of Membrane Proteins," 2020, Biophysical Journal

The frequent coauthors in their work include Tobin R. Sosnick, Xiangda Peng, Nabil F. Faruk, Joseph R. Sachleben, and Michael C. Baxa. Publication venues contributing most often to their body of work are the Biophysical Journal, Journal of Chemical Theory and Computation, and The Journal of Chemical Physics.

The scientist's research integrates multiple subfields such as molecular biology, spectroscopy, atomic and molecular physics and optics, physiology, and materials chemistry. Their studies contribute knowledge to areas including protein folding, enzyme function, and molecular interactions relevant to neurodegenerative conditions like Alzheimer's disease.

Karl F. Freed was recognized as a Fellow of the Alfred P. Sloan Foundation in 1969, highlighting a notable milestone in their academic career.

Best Publications

  • Renormalization Group Theory of Macromolecules

    Karl F. Freed

  • Multiphonon Processes in the Nonradiative Decay of Large Molecules

    Karl F. Freed;Joshua Jortner

  • Functional Integrals and Polymer Statistics

    Karl F. Freed

  • Characterization of branching architecture through "universal" ratios of polymer solution properties

    Jack F. Douglas;Jacques Roovers;Karl F. Freed

  • Statistical coil model of the unfolded state: Resolving the reconciliation problem

    Abhishek K. Jha;Andrés Colubri;Karl F. Freed;Tobin R. Sosnick

  • Effect of monomer structure and compressibility on the properties of multicomponent polymer blends and solutions: 1. Lattice cluster theory of compressible systems

    Jacek Dudowicz;Karl F. Freed

  • Energy dependence of electronic relaxation processes in polyatomic molecules

    K. F. Freed

  • Analysis and Evaluation of Ionization Potentials, Electron Affinities, and Excitation Energies by the Equations of Motion—Green's Function Method

    Michael F. Herman;Karl F. Freed;D. L. Yeager

  • Polymer viscosity in concentrated solutions

    Karl F. Freed;S. F. Edwards

  • Innovative scattering analysis shows that hydrophobic disordered proteins are expanded in water

    Joshua A. Riback;Micayla A. Bowman;Adam M. Zmyslowski;Catherine R. Knoverek

  • Generalized Entropy Theory of Polymer Glass Formation

    Jacek Dudowicz;Karl F. Freed;Jack F. Douglas

  • Intramolecular vibrational energy redistribution and the time evolution of molecular fluorescence

    Karl F. Freed;Abraham Nitzan

  • Dependence of Radiationless Decay Rates in Polyatomic Molecules upon the Initially Selected Vibronic State: General Theory and Application

    Donald F. Heller;Karl F. Freed;William M. Gelbart

  • Systematic corrections to Flory–Huggins theory: Polymer–solvent–void systems and binary blend–void systems

    M. G. Bawendi;Karl F. Freed

  • Helix, sheet, and polyproline II frequencies and strong nearest neighbor effects in a restricted coil library.

    Abhishek K. Jha;Andres Colubri;Muhammad H. Zaman;Shohei Koide

  • The glass transition temperature of polymer melts.

    Jacek Dudowicz;Karl F Freed;Jack F Douglas

  • Theory of the dynamical viscosity of polymer solutions

    S. F. Edwards;Karl F. Freed

  • New lattice model for interacting, avoiding polymers with controlled length distribution

    K F Freed

  • Theory of the Hyperfine Structure of Molecules: Application to 3Π States of Diatomic Molecules Intermediate between Hund's Cases (a) and (b)

    Karl F. Freed

  • Role of molecular structure on the thermodynamic properties of melts, blends, and concentrated polymer solutions: comparison of Monte Carlo simulations with the cluster theory for the lattice model

    Jacek Dudowicz;Karl F. Freed;William G. Madden

  • Intramolecular perturbations and the quenching of luminescence in small molecules

    William M. Gelbart;Karl F. Freed

Frequent Co-Authors

Jack F. Douglas
Jack F. Douglas National Institute of Standards and Technology
Tobin R. Sosnick
Tobin R. Sosnick University of Chicago
Michael D. Morse
Michael D. Morse University of Utah
Igal Szleifer
Igal Szleifer Northwestern University
Shi-Qing Wang
Shi-Qing Wang University of Akron
Horia Metiu
Horia Metiu University of California, Santa Barbara
Stuart A. Rice
Stuart A. Rice University of Chicago
William M. Gelbart
William M. Gelbart University of California, Los Angeles
Sam F. Edwards
Sam F. Edwards University of Cambridge

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