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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 70 6043 5484 1837 1527 348 13516

Timothy A. Keiderling publications per year

The chart shows the history of publications by Timothy A. Keiderling between 1971 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Timothy A. Keiderling published across 54 years, from 1971 to 2024, averaging 6.5 papers a year. Output peaked at 15 publications in 1993. 2 of the 351 publications appeared in the last two years.

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

351 publications in total across all disciplines

View publications per year as a table
Timothy A. Keiderling: publications per year, 1971 to 2024
Year Publications
1971 4
1972 3
1973 2
1974 0
1975 4
1976 3
1977 1
1978 2
1979 3
1980 8
1981 10
1982 2
1983 4
1984 6
1985 6
1986 13
1987 11
1988 13
1989 8
1990 7
1991 11
1992 9
1993 15
1994 8
1995 12
1996 14
1997 10
1998 4
1999 9
2000 4
2001 6
2002 14
2003 4
2004 6
2005 10
2006 4
2007 4
2008 11
2009 13
2010 12
2011 4
2012 10
2013 8
2014 5
2015 3
2016 8
2017 6
2018 9
2019 1
2020 3
2021 1
2022 1
2023 1
2024 1
Total 351
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Timothy A. Keiderling 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 Timothy A. Keiderling 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, 341–360 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: 348 publications — 73rd percentile

73% 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
341–360 628 348
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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Timothy A. Keiderling 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 Timothy A. Keiderling 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, 70–71 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: 70 D-Index — 68th percentile

68% 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 70
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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Research.com Recognitions

  • 2003 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Timothy A. Keiderling is affiliated with the University of Illinois at Chicago in the United States. Their research predominantly focuses on molecular spectroscopy, protein structure and dynamics, and the application of vibrational spectroscopic techniques to biological molecules.

Their recent publications include:

  • Structure of Condensed Phase Peptides: Insights from Vibrational Circular Dichroism and Raman Optical Activity Techniques, 2020, Chemical Reviews
  • Monitoring peptide tyrosine nitration by spectroscopic methods, 2020, Amino Acids
  • Highly acidic pH facilitates enamel protein self-assembly, apatite crystal growth and enamel protein interactions in the early enamel matrix, 2022, Frontiers in Physiology
  • Increased accuracy of vibrational circular dichroism calculations for isotopically labeled helical peptides, 2024, Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy
  • Frontispiece: Enhanced Sensitivity to Local Dynamics in Peptides by Use of Temperature-Jump IR Spectroscopy and Isotope Labeling, 2020, Chemistry - A European Journal

The frequent co-authors associated with Keiderling include:

  • Elkan Blout
  • Murray Goodman
  • Ephraim Katchalski
  • David N. Beratan
  • Stephen C. Blacklow

The venues where Keiderling has frequently published are:

  • Biopolymers
  • Chemical Reviews
  • Amino Acids
  • Frontiers in Physiology
  • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy

Keiderling's main areas of research are reflected in their work across various subfields, including:

  • Spectroscopy
  • Molecular Biology
  • Cellular and Molecular Neuroscience
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Their scientific contributions cover a range of topics such as:

  • Molecular spectroscopy and chirality
  • Protein Structure and Dynamics
  • Photoreceptor and optogenetics research
  • Spectroscopy and Quantum Chemical Studies
  • Electrochemical sensors and biosensors
  • Biochemical effects in animals
  • Protein Interaction Studies and Fluorescence Analysis

Timothy A. Keiderling was awarded the Fellow of the John Simon Guggenheim Memorial Foundation in 2003.

Best Publications

  • Vibrational circular dichroism

    L. A. Nafie;T. A. Keiderling;P. J. Stephens

  • Differentiation of β-Sheet-Forming Structures: Ab Initio-Based Simulations of IR Absorption and Vibrational CD for Model Peptide and Protein β-Sheets

    Jan Kubelka;Timothy A. Keiderling

  • Reassessment of the random coil conformation: vibrational CD study of proline oligopeptides and related polypeptides.

    Rina K. Dukor;Timothy A. Keiderling

  • Transfer of molecular property tensors in cartesian coordinates: A new algorithm for simulation of vibrational spectra

    Petr Bour;Jana Sopkova;Lucie Bednarova;Petr Malon

  • Empirical modeling of the peptide amide I band IR intensity in water solution

    Petr Bouř;Timothy A. Keiderling

  • Vibrational Circular Dichroism

    Timothy A. Keiderling

  • Protein and peptide secondary structure and conformational determination with vibrational circular dichroism.

    Timothy A Keiderling

  • Ab Initio Calculation of Amide Carbonyl Stretch Vibrational Frequencies in Solution with Modified Basis Sets. 1. N-Methyl Acetamide

    Jan Kubelka and;Timothy A. Keiderling

  • Site-specific conformational determination in thermal unfolding studies of helical peptides using vibrational circular dichroism with isotopic substitution.

    R. A. G. D. Silva;Jan Kubelka;Petr Bour;Sean M. Decatur

  • The Anomalous Infrared Amide I Intensity Distribution in 13C Isotopically Labeled Peptide β-Sheets Comes from Extended, Multiple-Stranded Structures. An ab Initio Study

    Jan Kubelka and;Timothy A. Keiderling

  • Conformational Characterization of Terminally Blocked l-(αMe)Val Homopeptides Using Vibrational and Electronic Circular Dichroism. 310-Helical Stabilization by Peptide−Peptide Interaction

    Gorm Yoder;Alessandra Polese;R. A. G. D. Silva;Fernando Formaggio

  • Nature of vibrational coupling in helical peptides: an isotopic labeling study.

    Rong Huang;Jan Kubelka;Wendy Barber-Armstrong;R. A. G. D. Silva

  • Vibrational Circular Dichroism of polypeptides. 8. Poly(lysine) conformations as a function of pH in aqueous solution

    S. C. Yasui;T. A. Keiderling

  • Partial optimization of molecular geometry in normal coordinates and use as a tool for simulation of vibrational spectra

    Petr Bouř;Timothy A. Keiderling

  • Circular dichroism and magnetic circular dichroism of iron-sulfur proteins.

    P. J. Stephens;A. J. Thomson;J. B. R. Dunn;T. A. Keiderling

  • Predictions of secondary structure using statistical analyses of electronic and vibrational circular dichroism and Fourier transform infrared spectra of proteins in H2O.

    Vladimir Baumruk;Petr Pancoska;Timothy A. Keiderling

  • Ab Initio Simulations of the Vibrational Circular Dichroism of Coupled Peptides

    Petr Bour;Timothy A. Keiderling

  • Predictions of protein secondary structures using factor analysis on Fourier transform infrared spectra: effect of Fourier self-deconvolution of the amide I and amide II bands.

    Sungsool Wi;Petr Pancoska;Timothy A. Keiderling

  • 14-Coordinate Uranium(IV). The structure of uranium borohydride by single-crystal neutron diffraction

    E. R. Bernstein;Walter C. Hamilton;T. A. Keiderling;Sam J. La Placa

  • Effect of sodium dodecyl sulfate on folding and thermal stability of acid-denatured cytochrome c: A spectroscopic approach

    Qi Xu;Timothy A. Keiderling

  • Structure of Condensed Phase Peptides: Insights from Vibrational Circular Dichroism and Raman Optical Activity Techniques.

    Timothy A Keiderling

Frequent Co-Authors

Claudio Toniolo
Claudio Toniolo University of Padua
Fernando Formaggio
Fernando Formaggio University of Padua
Petr Bouř
Petr Bouř Czech Academy of Sciences
Philip J. Stephens
Philip J. Stephens University of Southern California
Elliot R. Bernstein
Elliot R. Bernstein Colorado State University
Marco Crisma
Marco Crisma University of Padua
Laurence A. Nafie
Laurence A. Nafie Syracuse University
Thomas G. Spiro
Thomas G. Spiro University of Washington
Loretta J. Mickley
Loretta J. Mickley Harvard University

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