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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 69 6286 5708 1911 1589 274 15195

Robert R. Birge publications per year

The chart shows the history of publications by Robert R. Birge between 1970 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert R. Birge published across 55 years, from 1970 to 2024, averaging 5.6 papers a year. Output peaked at 17 publications in 2003. 1 of the 308 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1970 to 2024. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2003. 1970: 1 publication 1971: 2 publications 1972: 2 publications 1973: 2 publications 1974: 2 publications 1975: 4 publications 1976: 1 publication 1977: 0 publications 1978: 4 publications 1979: 3 publications 1980: 3 publications 1981: 14 publications 1982: 12 publications 1983: 6 publications 1984: 9 publications 1985: 5 publications 1986: 6 publications 1987: 6 publications 1988: 4 publications 1989: 4 publications 1990: 6 publications 1991: 5 publications 1992: 4 publications 1993: 7 publications 1994: 8 publications 1995: 8 publications 1996: 8 publications 1997: 1 publication 1998: 13 publications 1999: 8 publications 2000: 6 publications 2001: 13 publications 2002: 14 publications 2003: 17 publications 2004: 9 publications 2005: 7 publications 2006: 12 publications 2007: 5 publications 2008: 8 publications 2009: 5 publications 2010: 8 publications 2011: 6 publications 2012: 7 publications 2013: 9 publications 2014: 6 publications 2015: 1 publication 2016: 4 publications 2017: 4 publications 2018: 4 publications 2019: 1 publication 2020: 1 publication 2021: 1 publication 2022: 1 publication 2023: 0 publications 2024: 1 publication
1970 2024

308 publications in total across all disciplines

View publications per year as a table
Robert R. Birge: publications per year, 1970 to 2024
Year Publications
1970 1
1971 2
1972 2
1973 2
1974 2
1975 4
1976 1
1977 0
1978 4
1979 3
1980 3
1981 14
1982 12
1983 6
1984 9
1985 5
1986 6
1987 6
1988 4
1989 4
1990 6
1991 5
1992 4
1993 7
1994 8
1995 8
1996 8
1997 1
1998 13
1999 8
2000 6
2001 13
2002 14
2003 17
2004 9
2005 7
2006 12
2007 5
2008 8
2009 5
2010 8
2011 6
2012 7
2013 9
2014 6
2015 1
2016 4
2017 4
2018 4
2019 1
2020 1
2021 1
2022 1
2023 0
2024 1
Total 308
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Robert R. Birge publications per year - data summary

  • Robert R. Birge, a Chemistry scholar from University of Connecticut, has 308 publications recorded across 55 years, from 1970 to 2024.
  • The oldest publication on record dates to 1970 and the most recent to 2024.
  • The most productive year is 2003, with 17 publications.
  • The least productive years with any output are 1970, 1976, 1997, 2015 and others, with 1 publication each.
  • 2 of the 55 years in the span carry no publications at all (1977 and 2023).
  • The rate of publication averages 5.6 papers per year over the whole span, or 5.8 per year counting only the 53 years with at least one publication.
  • The last 5 years on the chart (2020-2024) hold 4 publications, 1% of the career total.
  • Split into equal eras - 1970-1988: 86 publications (4.5 per year); 1989-2007: 155 publications (8.2 per year); 2008-2024: 67 publications (3.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is broadly steady.

Robert R. Birge 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 Robert R. Birge 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, 261–280 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: 274 publications — 56th percentile

56% 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
261–280 979 274
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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Robert R. Birge publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • Robert R. Birge, a Chemistry scholar from University of Connecticut, records 274 publications - the 56th percentile of the discipline.
  • 56% of ranked Chemistry scientists score the same or lower than Robert R. Birge, and about 44% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Robert R. Birge ranks above the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

Robert R. Birge 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 Robert R. Birge 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, 68–69 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: 69 D-Index — 66th percentile

66% 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 69
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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Robert R. Birge D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • Robert R. Birge, a Chemistry scholar from University of Connecticut, records 69 D-Index - the 66th percentile of the discipline.
  • 66% of ranked Chemistry scientists score the same or lower than Robert R. Birge, and about 34% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Robert R. Birge ranks above the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Robert R. Birge is affiliated with the University of Connecticut in the United States. Their research spans multiple areas within neuroscience and molecular biology, with particular focus on cellular and molecular neuroscience.

Their scientific work covers several topics including:

  • Photoreceptor and optogenetics research
  • Neuroscience and Neural Engineering
  • Retinal Development and Disorders

Birge's recent publications are primarily situated within the Journal of Neural Engineering. One notable publication is:

  • "Activation of retinal ganglion cells using a biomimetic artificial retina," 2021, Journal of Neural Engineering

This research contributes to understanding retinal function through biomimetic artificial constructs, reflecting their broader interest in neural engineering and retinal disorders.

Frequent collaborators include:

  • Jordan A. Greco
  • Nicole L. Wagner
  • Ralph J. Jensen
  • Daniel Lawrence
  • Matthew J. Ranaghan

Birge's fields of study primarily encompass:

  • Neuroscience
  • Biochemistry, Genetics and Molecular Biology

Within these fields, their subfields of study include:

  • Cellular and Molecular Neuroscience
  • Molecular Biology

Although there are no recorded awards or book publications associated with Birge, the research output indicates a focus on advancing understanding of neuronal systems at molecular and cellular levels, especially as related to visual system functionality.

Best Publications

  • Photophysics and Molecular Electronic Applications of the Rhodopsins

    Robert R. Birge

  • Nature of the primary photochemical events in rhodopsin and bacteriorhodopsin

    Robert R. Birge

  • Design, Synthesis, and Photodynamics of Light-Harvesting Arrays Comprised of a Porphyrin and One, Two, or Eight Boron-Dipyrrin Accessory Pigments

    Feirong Li;Sung Ik Yang;Yangzhen Ciringh;Jyoti Seth

  • Structural Control of the Photodynamics of Boron-Dipyrrin Complexes

    Hooi Ling Kee;Christine Kirmaier;Lianhe Yu;Patchanita Thamyongkit

  • Coherent control of retinal isomerization in bacteriorhodopsin.

    Valentyn I. Prokhorenko;Andrea M. Nagy;Stephen A. Waschuk;Leonid S. Brown

  • Photophysics of Light Transduction in Rhodopsin and Bacteriorhodopsin

    Robert R. Birge

  • THz time domain spectroscopy of biomolecular conformational modes

    Andrea Markelz;Scott Whitmire;Jay Hillebrecht;Robert Birge

  • Biomolecular Electronics: Protein-Based Associative Processors and Volumetric Memories

    Robert R. Birge;Nathan B. Gillespie;Enrique W. Izaguirre;Anakarin Kusnetzow

  • Protein-Based Computers

    Robert R. Birge

  • Two-Photon and Fluorescence Spectroscopy and the Effect of Environment on the Photochemical Properties of Peridinin in Solution and in the Peridinin-Chlorophyll-Protein from Amphidinium carterae†

    Sumie Shima;Robielyn P. Ilagan;Nathan Gillespie;Brandi J. Sommer

  • Two-photon spectroscopy of protein-bound chromophores

    Robert R. Birge

  • Two‐photon double resonance spectroscopy of bacteriorhodopsin. Assignment of the electronic and dipolar properties of the low‐lying 1A*−g‐like and 1B*+u‐like π, π* states

    Robert R. Birge;Chian‐Fan Zhang

  • A THEORETICAL ANALYSIS OF THE TWO-PHOTON PROPERTIES OF LINEAR POLYENES AND THE VISUAL CHROMOPHORES

    R. R. Birge;B. M. Pierce

  • Molecular dynamics of cis-trans isomerization in rhodopsin

    Robert R. Birge;Lynn M. Hubbard

  • Protein Flexibility and Conformational State: A Comparison of Collective Vibrational Modes of Wild-Type and D96N Bacteriorhodopsin

    S.E. Whitmire;D. Wolpert;A.G. Markelz;J.R. Hillebrecht

  • Two-photon spectroscopy of locked-11-cis-rhodopsin: evidence for a protonated Schiff base in a neutral protein binding site.

    Robert R. Birge;Lionel P. Murray;Brian M. Pierce;Hiroyukl Akita

  • Ultrafast Dynamics and Excited State Spectra of Open-Chain Carotenoids at Room and Low Temperatures

    Dariusz Niedzwiedzki;Jeremy F. Koscielecki;Hong Cong;James O. Sullivan

  • Protein-based optical computing and memories

    R.R. Birge

  • Femtosecond Time-Resolved Transient Absorption Spectroscopy of Xanthophylls

    Dariusz M. Niedzwiedzki;James O. Sullivan;Tomas Polivka;Robert R. Birge

  • On the molecular origin of photoreceptor noise

    Robert B. Barlow;Robert R. Birge;Ehud Kaplan;Ehud Kaplan;Jack R. Tallent

  • Optimization of bacteriorhodopsin for bioelectronic devices.

    Kevin J Wise;Nathan B Gillespie;Jeffrey A Stuart;Mark P Krebs

Frequent Co-Authors

Harry A. Frank
Harry A. Frank University of Connecticut
David F. Bocian
David F. Bocian University of California, Riverside
Craig J. Thomas
Craig J. Thomas National Institutes of Health
Richard J. Cogdell
Richard J. Cogdell University of Glasgow
Roger G. Hiller
Roger G. Hiller Macquarie University
Christian Brückner
Christian Brückner University of Connecticut
Jonathan S. Lindsey
Jonathan S. Lindsey North Carolina State University
Tomáš Polívka
Tomáš Polívka University of South Bohemia in České Budějovice
Sanguthevar Rajasekaran
Sanguthevar Rajasekaran University of Connecticut
Zhongping Chen
Zhongping Chen University of California, Irvine

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