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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 66 7504 6805 40 38 482 11556

Karl Gruber publications per year

The chart shows the history of publications by Karl Gruber between 1959 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karl Gruber published across 67 years, from 1959 to 2025, averaging 8.8 papers a year. Output peaked at 65 publications in 2016. 26 of the 590 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1959 to 2025. Vertical axis: number of publications, 0 to 65. Peak 65 publications in 2016. 1959: 1 publication 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 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: 1 publication 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: 2 publications 1994: 4 publications 1995: 6 publications 1996: 8 publications 1997: 2 publications 1998: 1 publication 1999: 6 publications 2000: 3 publications 2001: 6 publications 2002: 5 publications 2003: 4 publications 2004: 16 publications 2005: 16 publications 2006: 8 publications 2007: 13 publications 2008: 21 publications 2009: 24 publications 2010: 18 publications 2011: 25 publications 2012: 43 publications 2013: 39 publications 2014: 48 publications 2015: 55 publications 2016: 65 publications 2017: 44 publications 2018: 10 publications 2019: 19 publications 2020: 7 publications 2021: 10 publications 2022: 18 publications 2023: 16 publications 2024: 16 publications 2025: 10 publications
1959 2025

590 publications in total across all disciplines

View publications per year as a table
Karl Gruber: publications per year, 1959 to 2025
Year Publications
1959 1
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
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 1
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 2
1994 4
1995 6
1996 8
1997 2
1998 1
1999 6
2000 3
2001 6
2002 5
2003 4
2004 16
2005 16
2006 8
2007 13
2008 21
2009 24
2010 18
2011 25
2012 43
2013 39
2014 48
2015 55
2016 65
2017 44
2018 10
2019 19
2020 7
2021 10
2022 18
2023 16
2024 16
2025 10
Total 590
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Karl Gruber 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 Karl Gruber 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, 481–500 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: 482 publications — 87th percentile

87% 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
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252 482
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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Karl Gruber 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 Karl Gruber 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

Karl Gruber is affiliated with the University of Graz in Austria. Their scholarly work spans across multiple domains within biochemistry, genetics, molecular biology, and medicine, with a total of 55 publications in Biochemistry, Genetics and Molecular Biology and 44 publications in Medicine. The scientist has contributed extensively to subfields including Molecular Biology, Infectious Diseases, Computational Theory and Mathematics, Organic Chemistry, and Oncology.

The research topics Karl Gruber focuses on include Computational Drug Discovery Methods, SARS-CoV-2 and COVID-19 Research, Enzyme Catalysis and Immobilization, RNA and protein synthesis mechanisms, Genomics and Phylogenetic Studies, Peptidase Inhibition and Analysis, and Protein Structure and Dynamics.

Some of the recent publications by Karl Gruber are:

  • Serine 477 plays a crucial role in the interaction of the SARS-CoV-2 spike protein with the human receptor ACE2 (2021, Scientific Reports)
  • Rediscovering Asia's forgotten crops to fight chronic and hidden hunger (2021, Nature Plants)
  • Dipeptidyl peptidase 3 modulates the renin-angiotensin system in mice (2020, Journal of Biological Chemistry)
  • Unravelling the respiratory health path across the lifespan for survivors of preterm birth (2023, The Lancet Respiratory Medicine)
  • Small-Molecule Inhibitors Targeting Lipolysis in Human Adipocytes (2022, Journal of the American Chemical Society)

Karl Gruber frequently publishes in journals such as The Lancet Oncology, ACS Catalysis, Scientific Reports, Research Square, and the Journal of Biological Chemistry. The number of their publications varies by venue, with ten contributions to The Lancet Oncology and six to ACS Catalysis among others.

Collaborations have been an important part of Gruber's research output. Frequent co-authors include Georg Steinkellner, Christian Gruber, Amit Singh, A. Krassnigg, and Tea Pavkov-Keller, with co-authorship counts ranging from 11 to 19 publications each.

Best Publications

  • Enzymatic surface hydrolysis of PET : effect of structural diversity on kinetic properties of cutinases from thermobifida

    Enrique Herrero Acero;Doris Ribitsch;Georg Steinkellner;Karl Gruber

  • Vitamin B12-derivatives—enzyme cofactors and ligands of proteins and nucleic acids

    Karl Gruber;Barbara Puffer;Bernhard Kräutler

  • Glutamate mutase from Clostridium cochlearium: the structure of a coenzyme B12-dependent enzyme provides new mechanistic insights.

    R Reitzer;K Gruber;G Jogl;UG Wagner

  • Asymmetric Bioreduction of CC Bonds using Enoate Reductases OPR1, OPR3 and YqjM: Enzyme‐Based Stereocontrol

    Melanie Hall;Clemens Stueckler;Heidemarie Ehammer;Eva Maria Pointner

  • Thermophilic xylanase from Thermomyces lanuginosus: high-resolution X-ray structure and modeling studies.

    Karl Gruber;Gerd Klintschar;Marianne Hayn;Anton Schlacher

  • A New Esterase from Thermobifida halotolerans Hydrolyses Polyethylene Terephthalate (PET) and Polylactic Acid (PLA)

    Doris Ribitsch;Enrique Herrero Acero;Katrin Greimel;Anita Dellacher

  • A Biocatalytic Henry Reaction—The Hydroxynitrile Lyase from Hevea brasiliensis Also Catalyzes Nitroaldol Reactions

    Thomas Purkarthofer;Karl Gruber;Mandana Gruber-Khadjawi;Kerstin Waich

  • Fusion of binding domains to Thermobifida cellulosilytica cutinase to tune sorption characteristics and enhancing PET hydrolysis.

    Doris Ribitsch;Antonio Orcal Yebra;Sabine Zitzenbacher;Jing Wu

  • Surface engineering of a cutinase from Thermobifida cellulosilytica for improved polyester hydrolysis.

    Enrique Herrero Acero;Doris Ribitsch;Anita Dellacher;Sabine Zitzenbacher

  • The Cofactor of Tetrachloroethene Reductive Dehalogenase of Dehalospirillum multivorans Is Norpseudo‐B12, a New Type of a Natural Corrinoid

    Bernhard Kräutler;Wolfgang Fieber;Sigrid Ostermann;Mario Fasching

  • Direct Evidence for the Conformational Deformation of the Corrin Ring by the Nucleotide Base in Vitamin B12: Synthesis and Solution Spectroscopic and Crystal Structure Analysis of Co.beta.-Cyanoimidazolylcobamide

    Bernhard Kraeutler;Robert Konrat;Erhard Stupperich;Gerald Faerber

  • A concerted mechanism for berberine bridge enzyme.

    Andreas Winkler;Andrzej Lyskowski;Sabrina Riedl;Sabrina Riedl;Martin Puhl

  • Radical Shuttling in a Protein: Ribose Pseudorotation Controls Alkyl‐Radical Transfer in the Coenzyme B12 Dependent Enzyme Glutamate Mutase

    Karl Gruber;Riikka Reitzer;Christoph Kratky

  • Accurate Structural Data Demystify B-12 - High-Resolution Solid-State Structure of Aquocobalamin Perchlorate and Structure-Analysis of the Aquocobalamin Ion in Solution

    Christoph Kratky;Gerald Farber;Karl Gruber;Keith Wilson

  • Comprehensive Step‐by‐Step Engineering of an (R)‐Hydroxynitrile Lyase for Large‐Scale Asymmetric Synthesis

    Anton Glieder;Roland Weis;Wolfgang Skranc;Peter Poechlauer

  • A Topochemically Controlled, Regiospecific Fullerene Bisfunctionalization

    Bernhard Kräutler;Thomas Müller;Joseph Maynollo;Karl Gruber

  • The hydroxynitrile lyase from almond: a lyase that looks like an oxidoreductase.

    Ingrid Dreveny;Karl Gruber;Anton Glieder;Andrew Thompson

  • Determination of β-2 Microglobulin Levels in Plasma Using a High-Throughput Mass Spectrometric Immunoassay System

    Eric E. Niederkofler;Kemmons A. Tubbs;Karl Gruber;Dobrin Nedelkov

  • Improving enzymatic polyurethane hydrolysis by tuning enzyme sorption

    Caroline Gamerith;Enrique Herrero Acero;Alessandro Pellis;Andreas Ortner

  • Synthesis, crystal structure, and characterization of three novel compounds of the quinolone family member (norfloxacin)

    Iztok Turel;Karl Gruber;Ivan Leban;Nataša Bukovec

  • High-throughput protein characterization using mass spectrometric immunoassay.

    Urban A. Kiernan;Kemmons A. Tubbs;Karl Gruber;Dobrin Nedelkov

  • Serine 477 plays a crucial role in the interaction of the SARS-CoV-2 spike protein with the human receptor ACE2.

    Amit Singh;Georg Steinkellner;Katharina Köchl;Karl Gruber

Frequent Co-Authors

Peter Macheroux
Peter Macheroux Graz University of Technology
Bernhard Kräutler
Bernhard Kräutler University of Innsbruck
Wolfgang Kroutil
Wolfgang Kroutil University of Graz
Kurt Faber
Kurt Faber University of Graz
Rolf Breinbauer
Rolf Breinbauer Graz University of Technology
Georg M. Guebitz
Georg M. Guebitz BOKU University
Klaus Zangger
Klaus Zangger University of Graz
Bernd Nidetzky
Bernd Nidetzky Graz University of Technology
Herfried Griengl
Herfried Griengl Graz University of Technology
Sirano Dhe-Paganon
Sirano Dhe-Paganon Harvard University

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