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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 44 16784 15154 4158 3416 119 7675

Delmar S. Larsen publications per year

The chart shows the history of publications by Delmar S. Larsen between 1979 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Delmar S. Larsen published across 44 years, from 1979 to 2022, averaging 3.4 papers a year. Output peaked at 18 publications in 2011. 4 of the 148 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1979 to 2022. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2011. 1979: 1 publication 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 0 publications 1997: 2 publications 1998: 1 publication 1999: 2 publications 2000: 2 publications 2001: 4 publications 2002: 4 publications 2003: 5 publications 2004: 13 publications 2005: 5 publications 2006: 5 publications 2007: 8 publications 2008: 8 publications 2009: 7 publications 2010: 6 publications 2011: 18 publications 2012: 9 publications 2013: 11 publications 2014: 5 publications 2015: 4 publications 2016: 4 publications 2017: 4 publications 2018: 9 publications 2019: 3 publications 2020: 3 publications 2021: 3 publications 2022: 1 publication
1979 2022

148 publications in total across all disciplines

View publications per year as a table
Delmar S. Larsen: publications per year, 1979 to 2022
Year Publications
1979 1
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 1
1996 0
1997 2
1998 1
1999 2
2000 2
2001 4
2002 4
2003 5
2004 13
2005 5
2006 5
2007 8
2008 8
2009 7
2010 6
2011 18
2012 9
2013 11
2014 5
2015 4
2016 4
2017 4
2018 9
2019 3
2020 3
2021 3
2022 1
Total 148
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Delmar S. Larsen 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 Delmar S. Larsen 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, 101–120 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: 119 publications — 5th percentile

5% 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
101–120 623 119
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
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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Delmar S. Larsen 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 Delmar S. Larsen 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, 44–45 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: 44 D-Index — 7th percentile

7% 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 44
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
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

  • 2010 - Hellman Fellow

Overview

Delmar S. Larsen is affiliated with the University of California, Davis in the United States. Their research focuses primarily on biochemistry, genetics, and molecular biology, with significant contributions to neuroscience as well. Subfields of study include molecular biology, cellular and molecular neuroscience, plant science, physical and theoretical chemistry, and computational theory and mathematics.

The main topics of Larsen's work encompass photoreceptor and optogenetics research, light effects on plants, photosynthetic processes and mechanisms, genetics, bioinformatics, biomedical research, various chemistry research topics, computational drug discovery methods, and retinal development and disorders.

Larsen's recent publications reflect these interests and include the following:

  • Teaching Cheminformatics through a Collaborative Intercollegiate Online Chemistry Course (OLCC), 2020, Journal of Chemical Education
  • Comparison of the Forward and Reverse Photocycle Dynamics of Two Highly Similar Canonical Red/Green Cyanobacteriochromes Reveals Unexpected Differences, 2021, Biochemistry
  • Computational and Spectroscopic Characterization of the Photocycle of an Artificial Rhodopsin, 2020, The Journal of Physical Chemistry Letters
  • Not All Photoactive Yellow Proteins Are Built Alike: Surprises and Insights into Chromophore Photoisomerization, Protonation, and Thermal Reisomerization of the Photoactive Yellow Protein Isolated from Salinibacter ruber, 2021, Journal of the American Chemical Society
  • Fundamentals of Biochemistry, a free and new LibreText book for Undergraduate Courses, 2022, The FASEB Journal

Larsen has published notably in the following scientific venues:

  • Biochemistry
  • Journal of Chemical Education
  • The Journal of Physical Chemistry Letters
  • Journal of the American Chemical Society
  • The FASEB Journal

Frequent collaborators include:

  • Adam J. Jenkins
  • Che-Wei Chang
  • Shelley S. Martin
  • J. Clark Lagarias
  • Sunghwan Kim

Delmar S. Larsen received the Hellman Fellow award in 2010.

Best Publications

  • Global and target analysis of time-resolved spectra

    Ivo H.M. van Stokkum;Delmar S. Larsen;Rienk van Grondelle

  • Two-Dimensional Raman Spectroscopy of Vibrational Interactions in Liquids

    A. Tokmakoff;M. J. Lang;D. S. Larsen;G. R. Fleming

  • Evolution of Physical and Photocatalytic Properties in the Layered Titanates A2Ti4O9 (A = K, H) and in Nanosheets Derived by Chemical Exfoliation†

    Mark R. Allen;Arthur Thibert;Erwin M. Sabio;Nigel D. Browning

  • Excited state dynamics of β-carotene explored with dispersed multi-pulse transient absorption

    Delmar S. Larsen;Emmanouil Papagiannakis;Ivo H.M. van Stokkum;Mikas Vengris

  • Uncovering the hidden ground state of green fluorescent protein

    John T. M. Kennis;Delmar S. Larsen;Ivo H. M. van Stokkum;Mikas Vengris

  • Calcium Niobate Semiconductor Nanosheets as Catalysts for Photochemical Hydrogen Evolution from Water

    Owen C. Compton;Elizabeth C. Carroll;Jin Y. Kim;Delmar S. Larsen

  • Incoherent Manipulation of the Photoactive Yellow Protein Photocycle with Dispersed Pump-Dump-Probe Spectroscopy

    Delmar S. Larsen;Ivo H. M. van Stokkum;Mikas Vengris;Michael A. van der Horst

  • Initial steps of signal generation in photoactive yellow protein revealed with femtosecond mid-infrared spectroscopy.

    Marie Louise Groot;Luuk J. G. W. Van Wilderen;Delmar S. Larsen;Michael A. Van Der Horst

  • Photoisomerization and photoionization of the photoactive yellow protein chromophore in solution

    Delmar S. Larsen;Mikas Vengris;Ivo H.M. van Stokkum;Michael A. van der Horst

  • Ultrafast Protein Dynamics of Bacteriorhodopsin Probed by Photon Echo and Transient Absorption Spectroscopy

    John T. M. Kennis;Delmar S. Larsen;Kaoru Ohta;Marc T. Facciotti

  • K4Nb6O17-derived photocatalysts for hydrogen evolution from water: Nanoscrolls versus nanosheets

    Michael C. Sarahan;Elizabeth C. Carroll;Mark Allen;Delmar S. Larsen

  • First demonstration of CdSe as a photocatalyst for hydrogen evolution from water under UV and visible light.

    F. Andrew Frame;Elizabeth C. Carroll;Delmar S. Larsen;Michael Sarahan

  • Sequestering High-Energy Electrons to Facilitate Photocatalytic Hydrogen Generation in CdSe/CdS Nanocrystals

    Arthur Thibert;F. Andrew Frame;Erik Busby;Michael A. Holmes

  • Use of ultrafast dispersed pump-dump-probe and pump-repump-probe spectroscopies to explore the light-induced dynamics of peridinin in solution.

    Emmanouil Papagiannakis;Mikas Vengris;Delmar S Larsen;Ivo H M van Stokkum

  • Ultrafast excited and ground-state dynamics of the green fluorescent protein chromophore in solution

    Mikas Vengris;Ivo H. M. van Stokkum;Xiang He;Alasdair F. Bell

  • Excited-State Dynamics of Carotenoids in Light-Harvesting Complexes. 1. Exploring the Relationship between the S1 and S* States

    Emmanouil Papagiannakis;Ivo H. M. van Stokkum;Mikas Vengris;Richard J. Cogdell

  • Excited-State Self-Trapping and Ground-State Relaxation Dynamics in Poly(3-hexylthiophene) Resolved with Broadband Pump–Dump–Probe Spectroscopy

    Erik Busby;Elizabeth C. Carroll;Erin M. Chinn;Lilian Chang

  • Two-photon brightness of azobenzene photoswitches designed for glutamate receptor optogenetics

    Elizabeth C. Carroll;Shai Berlin;Joshua Levitz;Michael A. Kienzler

  • Femtosecond ligand/core dynamics of microwave-assisted synthesized silicon quantum dots in aqueous solution

    Tonya M. Atkins;Arthur Thibert;Delmar S. Larsen;Sanchita Dey

  • Influence of intramolecular vibrations in third-order, time-domain resonant spectroscopies. II. Numerical calculations

    Kaoru Ohta;Delmar S. Larsen;Mino Yang;Graham R. Fleming

  • Three pulse photon echo studies of nondipolar solvation: Comparison with a viscoelastic model

    Delmar S. Larsen;Kaoru Ohta;Graham R. Fleming

Frequent Co-Authors

Rienk van Grondelle
Rienk van Grondelle Vrije Universiteit Amsterdam
Ivo H. M. van Stokkum
Ivo H. M. van Stokkum Vrije Universiteit Amsterdam
J. Clark Lagarias
J. Clark Lagarias University of California, Davis
Graham R. Fleming
Graham R. Fleming University of California, Berkeley
Klaas J. Hellingwerf
Klaas J. Hellingwerf University of Amsterdam
Frank E. Osterloh
Frank E. Osterloh University of California, Davis
Nigel D. Browning
Nigel D. Browning University of Liverpool
Adam J. Moulé
Adam J. Moulé University of California, Davis
Massimo Olivucci
Massimo Olivucci University of Siena
Roger G. Hiller
Roger G. Hiller Macquarie University

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