World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 66 7473 6776 2192 1811 230 12480
Biology and Biochemistry 66 8835 8149 3934 3529 256 12797

Robert O. Ryan publications per year

The chart shows the history of publications by Robert O. Ryan between 1978 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert O. Ryan published across 49 years, from 1978 to 2026, averaging 5.5 papers a year. Output peaked at 14 publications in 2006. 5 of the 269 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1978 to 2026. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 2006. 1978: 1 publication 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 4 publications 1983: 1 publication 1984: 5 publications 1985: 4 publications 1986: 6 publications 1987: 3 publications 1988: 5 publications 1989: 0 publications 1990: 9 publications 1991: 3 publications 1992: 8 publications 1993: 4 publications 1994: 6 publications 1995: 6 publications 1996: 4 publications 1997: 6 publications 1998: 8 publications 1999: 6 publications 2000: 8 publications 2001: 8 publications 2002: 7 publications 2003: 7 publications 2004: 2 publications 2005: 3 publications 2006: 14 publications 2007: 13 publications 2008: 12 publications 2009: 9 publications 2010: 7 publications 2011: 5 publications 2012: 7 publications 2013: 6 publications 2014: 7 publications 2015: 7 publications 2016: 7 publications 2017: 8 publications 2018: 10 publications 2019: 4 publications 2020: 3 publications 2021: 7 publications 2022: 6 publications 2023: 6 publications 2024: 2 publications 2025: 4 publications 2026: 1 publication
1978 2026

269 publications in total across all disciplines

View publications per year as a table
Robert O. Ryan: publications per year, 1978 to 2026
Year Publications
1978 1
1979 0
1980 0
1981 0
1982 4
1983 1
1984 5
1985 4
1986 6
1987 3
1988 5
1989 0
1990 9
1991 3
1992 8
1993 4
1994 6
1995 6
1996 4
1997 6
1998 8
1999 6
2000 8
2001 8
2002 7
2003 7
2004 2
2005 3
2006 14
2007 13
2008 12
2009 9
2010 7
2011 5
2012 7
2013 6
2014 7
2015 7
2016 7
2017 8
2018 10
2019 4
2020 3
2021 7
2022 6
2023 6
2024 2
2025 4
2026 1
Total 269
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Robert O. Ryan 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 O. Ryan 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, 221–240 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: 230 publications — 43rd percentile

43% 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 1,216 230
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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Robert O. Ryan 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 O. Ryan 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, 66–67 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: 66 D-Index — 60th percentile

60% 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 66
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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Overview

Robert O. Ryan is affiliated with the University of Nevada Reno in the United States and has contributed extensively to the field of Biochemistry, Genetics and Molecular Biology. Their research output includes 47 publications in this main field, with a focus on several specialized subfields such as Molecular Biology, Clinical Biochemistry, Materials Chemistry, Biophysics, and Cardiology and Cardiovascular Medicine.

The scientist's work covers a range of important topics within biomedical science. Key research areas include:

  • Mitochondrial Function and Pathology
  • Metabolism and Genetic Disorders
  • ATP Synthase and ATPases Research
  • Electron Spin Resonance Studies
  • Chemotherapy-induced cardiotoxicity and mitigation
  • Metabolomics and Mass Spectrometry Studies
  • Diabetes, Cardiovascular Risks, and Lipoproteins

Robert O. Ryan has published in multiple peer-reviewed scientific journals, with frequent appearances in the following venues:

  • Biochimica et Biophysica Acta (BBA) - Biomembranes (4 publications)
  • Clinica Chimica Acta (3 publications)
  • Metabolites (3 publications)
  • Progress in Lipid Research (2 publications)
  • JIMD Reports (2 publications)

Recent papers authored or co-authored by Ryan include:

  • "Studies of the cardiolipin interactome," 2022, Progress in Lipid Research
  • "Inborn errors of metabolism associated with 3-methylglutaconic aciduria," 2021, Clinica Chimica Acta
  • "Reconstituted HDL as a therapeutic delivery device," 2021, Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids
  • "Calcium-induced release of cytochrome c from cardiolipin nanodisks: Implications for apoptosis," 2021, Biochimica et Biophysica Acta (BBA) - Biomembranes
  • "Cardiolipin nanodisks confer protection against doxorubicin-induced mitochondrial dysfunction," 2022, Biochimica et Biophysica Acta (BBA) - Biomembranes

Collaboration forms a significant part of Robert O. Ryan's research activity. Frequent co-authors include:

  • Colin A. Fox
  • Kyle Lethcoe
  • Dylan E. Jones
  • Elizabeth A. Jennings
  • Irina Romenskaia

Best Publications

  • Glycosylphosphatidylinositol-Anchored High-Density Lipoprotein-Binding Protein 1 Plays a Critical Role in the Lipolytic Processing of Chylomicrons

    Anne P. Beigneux;Brandon S.J. Davies;Peter Gin;Michael M. Weinstein

  • Insect Haemolymph Proteins

    M. R. Kanost;J. K. Kawooya;J. H. Law;R. O. Ryan

  • Apolipoprotein E: from lipid transport to neurobiology.

    Paul S. Hauser;Vasanthy Narayanaswami;Vasanthy Narayanaswami;Robert O. Ryan;Robert O. Ryan

  • Cardiolipin and mitochondrial cristae organization.

    Nikita Ikon;Robert O. Ryan

  • Optimized bacterial expression of human apolipoprotein A-I.

    Robert O Ryan;Trudy M Forte;Michael N Oda

  • Apolipophorin III: role model apolipoprotein.

    Paul M.M. Weers;Robert O. Ryan

  • Structure and Interfacial Properties of Human Apolipoprotein A-V*

    Richard B. Weinberg;Victoria R. Cook;Jennifer A. Beckstead;Dale D.O. Martin

  • Lipid Transport Biochemistry and Its Role in Energy Production

    R.O. Ryan;D.J. van der Horst

  • Molecular basis of exchangeable apolipoprotein function.

    Vasanthy Narayanaswami;Robert O Ryan

  • Apolipoprotein A-V-heparin interactions: implications for plasma lipoprotein metabolism.

    Aivar Lookene;Jennifer A. Beckstead;Solveig Nilsson;Gunilla Olivecrona

  • Hemolymph lipid transport

    Brenda J. Blacklock;Robert O. Ryan

  • Apolipoprotein A-I assumes a "looped belt" conformation on reconstituted high density lipoprotein.

    Dale D.O. Martin;Madhu S. Budamagunta;Robert O. Ryan;John C. Voss

  • The C-terminal domain of apolipoprotein A-I contains a lipid-sensitive conformational trigger

    Michael N Oda;Trudy M Forte;Robert O Ryan;John C Voss

  • Changes in lipoprotein composition during larval-pupal metamorphosis of an insect, Manduca sexta.

    S V Prasad;R O Ryan;J H Law;M A Wells

  • Pyrene Excimer Fluorescence: A Spatially Sensitive Probe To Monitor Lipid-Induced Helical Rearrangement of Apolipophorin III†

    Sahoo D;Narayanaswami;Kay Cm;Ryan Ro

  • Curcumin nanodisks: formulation and characterization

    Mistuni Ghosh;Amareshwar T.K. Singh;Wenwei Xu;Todd Sulchek

  • Biosynthesis of linoleic acid in a termite, cockroach and cricket

    Gary J. Blomquist;Lawrence A. Dwyer;Arthur J. Chu;Robert O. Ryan

  • Lipid binding-induced conformational changes in the N-terminal domain of human apolipoprotein E.

    Carl A. Fisher;Robert O. Ryan

  • Insect apolipophorin III. Purification and properties.

    J K Kawooya;P S Keim;R O Ryan;J P Shapiro

  • The role of apolipophorin III in in vivo lipoprotein interconversions in adult Manduca sexta.

    M A Wells;R O Ryan;J K Kawooya;J H Law

  • Apolipoprotein A-V interaction with members of the low density lipoprotein receptor gene family.

    Stefan K Nilsson;Aivar Lookene;Jennifer A Beckstead;Jørgen Gliemann

Frequent Co-Authors

Cyril M. Kay
Cyril M. Kay University of Alberta
Trudy M. Forte
Trudy M. Forte UCSF Benioff Children's Hospital
John H. Law
John H. Law University of Arizona
Brian D. Sykes
Brian D. Sykes University of Alberta
Leo I. Gordon
Leo I. Gordon Northwestern University
Michael A. Wells
Michael A. Wells University of Arizona
Stephen G. Young
Stephen G. Young University of California, Los Angeles
Loren G. Fong
Loren G. Fong University of California, Los Angeles
André Bensadoun
André Bensadoun Cornell University
Anne P. Beigneux
Anne P. Beigneux University of California, Los Angeles

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