World's Best Scientists 2026 revealed!
Thomas R. Ziegler

Thomas R. Ziegler

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 91 11851 11149 6078 5626 433 27089

Thomas R. Ziegler publications per year

The chart shows the history of publications by Thomas R. Ziegler between 1965 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Thomas R. Ziegler published across 62 years, from 1965 to 2026, averaging 8.1 papers a year. Output peaked at 33 publications in 2012. 18 of the 500 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1965 to 2026. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2012. 1965: 1 publication 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 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: 4 publications 1989: 1 publication 1990: 5 publications 1991: 6 publications 1992: 3 publications 1993: 6 publications 1994: 4 publications 1995: 7 publications 1996: 6 publications 1997: 9 publications 1998: 11 publications 1999: 9 publications 2000: 8 publications 2001: 4 publications 2002: 7 publications 2003: 12 publications 2004: 8 publications 2005: 16 publications 2006: 9 publications 2007: 13 publications 2008: 18 publications 2009: 16 publications 2010: 20 publications 2011: 23 publications 2012: 33 publications 2013: 12 publications 2014: 31 publications 2015: 22 publications 2016: 25 publications 2017: 20 publications 2018: 12 publications 2019: 8 publications 2020: 15 publications 2021: 17 publications 2022: 12 publications 2023: 26 publications 2024: 23 publications 2025: 15 publications 2026: 3 publications
1965 2026

500 publications in total across all disciplines

View publications per year as a table
Thomas R. Ziegler: publications per year, 1965 to 2026
Year Publications
1965 1
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 4
1989 1
1990 5
1991 6
1992 3
1993 6
1994 4
1995 7
1996 6
1997 9
1998 11
1999 9
2000 8
2001 4
2002 7
2003 12
2004 8
2005 16
2006 9
2007 13
2008 18
2009 16
2010 20
2011 23
2012 33
2013 12
2014 31
2015 22
2016 25
2017 20
2018 12
2019 8
2020 15
2021 17
2022 12
2023 26
2024 23
2025 15
2026 3
Total 500
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Thomas R. Ziegler publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Thomas R. Ziegler sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 421–440 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 433 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806 433
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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Thomas R. Ziegler D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas R. Ziegler sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 90–91 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 91 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922 91
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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Overview

Thomas R. Ziegler is affiliated with Emory University in the United States and has developed a research profile largely centered around medicine with a specific focus on multiple subfields including physiology, molecular biology, pulmonary and respiratory medicine, public health, environmental and occupational health, and epidemiology.

Their work spans several interconnected research topics, prominently featuring diet and metabolism studies, metabolomics and mass spectrometry studies, cystic fibrosis research advances, nutrition and health in aging, gut microbiota and health, nutritional studies and diet, as well as tryptophan and brain disorders.

Frequent publication venues for Thomas R. Ziegler include:

  • Current Developments in Nutrition
  • Journal of Cystic Fibrosis
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Journal of Critical Care
  • Clinical Nutrition

Their collaborative network features recurrent coauthors such as Jessica A. Alvarez, Dean P. Jones, Ken Liu, Moriah P. Bellissimo, and William R. Hunt, with publication counts suggesting significant ongoing research partnerships.

Representative recent papers authored or coauthored by Thomas R. Ziegler include:

  • Tryptophan catabolism reflects disease activity in human tuberculosis, 2020, JCI Insight
  • Fecal microbiota transplantation promotes reduction of antimicrobial resistance by strain replacement, 2023, Science Translational Medicine
  • Microbial metabolite delta-valerobetaine is a diet-dependent obesogen, 2021, Nature Metabolism
  • Application of high-resolution metabolomics to identify biological pathways perturbed by traffic-related air pollution, 2020, Environmental Research
  • Dose- and time-dependent increase in circulating anti-inflammatory and pro-resolving lipid mediators following eicosapentaenoic acid supplementation in patients with major depressive disorder and chronic inflammation, 2020, Prostaglandins Leukotrienes and Essential Fatty Acids

Best Publications

  • The gut: a central organ after surgical stress.

    D. W. Wilmore;R. J. Smith;S. T. O'dwyer;D. O. Jacobs

  • Critical role of nutrition in improving quality of care: an interdisciplinary call to action to address adult hospital malnutrition.

    Kelly A. Tappenden;Beth Quatrara;Melissa L. Parkhurst;Ainsley M. Malone

  • Clinical and metabolic efficacy of glutamine-supplemented parenteral nutrition after bone marrow transplantation. A randomized, double-blind, controlled study.

    Thomas R. Ziegler;Lorraine S. Young;Kathleen Benfell;Marc Scheltinga

  • Alterations in vitamin D status and anti-microbial peptide levels in patients in the intensive care unit with sepsis

    Leo Jeng;Alexandra V Yamshchikov;Suzanne Elizabeth Judd;Henry Michael Blumberg

  • A new treatment for patients with short-bowel syndrome. Growth hormone, glutamine, and a modified diet

    Theresa A. Byrne;Rebecca L. Persinger;Lorrie S. Young;Thomas R. Ziegler

  • Teduglutide (ALX-0600), a dipeptidyl peptidase IV resistant glucagon-like peptide 2 analogue, improves intestinal function in short bowel syndrome patients

    P. B. Jeppesen;E. L. Sanguinetti;A. Buchman;L. Howard

  • Increased Intestinal Permeability Associated With Infection in Burn Patients

    Thomas R. Ziegler;Robert J. Smith;Sarah T. O'Dwyer;Robert H. Demling

  • Readmission and mortality in malnourished, older, hospitalized adults treated with a specialized oral nutritional supplement: A randomized clinical trial.

    Nicolaas E. Deutz;Eric M. Matheson;Laura E. Matarese;Menghua Luo

  • Vitamin D for treatment and prevention of infectious diseases: a systematic review of randomized controlled trials.

    Alexandra V. Yamshchikov;Nirali S. Desai;Henry M. Blumberg;Thomas R. Ziegler

  • A Single Dose of Endotoxin Increases Intestinal Permeability in Healthy Humans

    Sarah T. O'Dwyer;Hamish R. Michie;Thomas R. Ziegler;Arthur Revhaug

  • Cysteine/cystine couple is a newly recognized node in the circuitry for biologic redox signaling and control

    Dean P. Jones;Young-Mi Go;Corinna L. Anderson;Thomas R. Ziegler

  • Safety and Metabolic Effects of L‐Glutamine Administration in Humans

    Thomas R. Ziegler;Kathleen Benfell;Robert J. Smith;Lorraine S. Young

  • Growth Hormone, Glutamine, and a Modified Diet Enhance Nutrient Absorption in Patients With Severe Short Bowel Syndrome

    Theresa A. Byrne;Thomas B. Morrissey;Thomas V. Nattakom;Thomas R. Ziegler

  • Parenteral nutrition in the critically ill patient.

    Thomas R. Ziegler

  • Nutritional Metabolomics: Progress in Addressing Complexity in Diet and Health

    Dean P Jones;Youngja Park;Thomas R Ziegler

  • Association between adherence to the Mediterranean diet and oxidative stress

    Jun Dai;Dean P Jones;Jack Goldberg;Thomas R Ziegler

  • Parenteral glutamine increases serum heat shock protein 70 in critically ill patients

    Thomas R. Ziegler;Thomas R. Ziegler;Lorraine G. Ogden;Kristen D. Singleton;Menghua Luo;Menghua Luo

  • TROPHIC AND CYTOPROTECTIVE NUTRITION FOR INTESTINAL ADAPTATION, MUCOSAL REPAIR, AND BARRIER FUNCTION

    Thomas R. Ziegler;Mary E. Evans;Concepción Fernández-Estívariz;Dean P. Jones

  • Distribution of the H+/peptide transporter PepT1 in human intestine: up-regulated expression in the colonic mucosa of patients with short-bowel syndrome

    Thomas R Ziegler;Concepción Fernández-Estívariz;Li H Gu;Niloofar Bazargan

  • Modern nutrition in health and disease: Eleventh edition

    A. Catharine Ross;Benjamin H Caballero;Robert J. Cousins;Katherine L. Tucker

Frequent Co-Authors

Dean P. Jones
Dean P. Jones Emory University
Vin Tangpricha
Vin Tangpricha Emory University
Douglas W. Wilmore
Douglas W. Wilmore Brigham and Women's Hospital
Viola Vaccarino
Viola Vaccarino Emory University
Arshed A. Quyyumi
Arshed A. Quyyumi Emory University
Andrew T. Gewirtz
Andrew T. Gewirtz Georgia State University
Kirk A. Easley
Kirk A. Easley Emory University
Young-Mi Go
Young-Mi Go Emory University
Lou Ann S. Brown
Lou Ann S. Brown Emory University
Subra Kugathasan
Subra Kugathasan Emory University

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