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Bernard Witholt

Bernard Witholt

ETH Zurich
Switzerland

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 97 1494 25 263 27751

Bernard Witholt publications per year

The chart shows the history of publications by Bernard Witholt between 1967 and 2011, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Bernard Witholt published across 45 years, from 1967 to 2011, averaging 6.3 papers a year. Output peaked at 23 publications in 2002. 4 of the 284 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1967 to 2011. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2002. 1967: 1 publication 1968: 1 publication 1969: 0 publications 1970: 1 publication 1971: 1 publication 1972: 1 publication 1973: 1 publication 1974: 1 publication 1975: 1 publication 1976: 2 publications 1977: 2 publications 1978: 3 publications 1979: 1 publication 1980: 1 publication 1981: 6 publications 1982: 1 publication 1983: 3 publications 1984: 3 publications 1985: 3 publications 1986: 1 publication 1987: 10 publications 1988: 7 publications 1989: 13 publications 1990: 8 publications 1991: 5 publications 1992: 7 publications 1993: 6 publications 1994: 6 publications 1995: 7 publications 1996: 6 publications 1997: 8 publications 1998: 19 publications 1999: 21 publications 2000: 19 publications 2001: 19 publications 2002: 23 publications 2003: 19 publications 2004: 15 publications 2005: 12 publications 2006: 11 publications 2007: 3 publications 2008: 0 publications 2009: 2 publications 2010: 3 publications 2011: 1 publication
1967 2011

284 publications in total across all disciplines

View publications per year as a table
Bernard Witholt: publications per year, 1967 to 2011
Year Publications
1967 1
1968 1
1969 0
1970 1
1971 1
1972 1
1973 1
1974 1
1975 1
1976 2
1977 2
1978 3
1979 1
1980 1
1981 6
1982 1
1983 3
1984 3
1985 3
1986 1
1987 10
1988 7
1989 13
1990 8
1991 5
1992 7
1993 6
1994 6
1995 7
1996 6
1997 8
1998 19
1999 21
2000 19
2001 19
2002 23
2003 19
2004 15
2005 12
2006 11
2007 3
2008 0
2009 2
2010 3
2011 1
Total 284
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Bernard Witholt 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 Bernard Witholt 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: 263 publications — 53rd percentile

53% 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
261–280 979 263
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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Bernard Witholt 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 Bernard Witholt 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, 96–97 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: 97 D-Index — 92nd percentile

92% 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
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 97
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

Bernard Witholt is affiliated with ETH Zurich in Switzerland. Their academic profile reflects a focused research trajectory, although specific topics, fields of study, or publication venues are not extensively documented. Available data indicate collaboration with Dick B. Janssen, a frequent co-author, which illustrates a network of professional scholarly interaction.

There are no recent papers listed, and no detailed information on main fields or subfields of study. Consequently, the scope of Witholt's specialized research areas remains unspecified in the provided data.

No book publications or awards are recorded, indicating that either such information is unavailable or that Witholt's contributions have been primarily through other scholarly outputs.

Best Publications

  • Occurrence, synthesis and medical application of bacterial polyhydroxyalkanoate.

    Manfred Zinn;Bernard Witholt;Thomas Egli

  • Formation of Polyesters by Pseudomonas oleovorans: Effect of Substrates on Formation and Composition of Poly-(R)-3-Hydroxyalkanoates and Poly-(R)-3-Hydroxyalkenoates

    Roland G. Lageveen;Gjalt W. Huisman;Hans Preusting;Peter Ketelaar

  • Crystal Structure of a Cholera Toxin-Related Heat-Labile Enterotoxin from E. coli

    Titia K. Sixma;Sylvia E. Pronk;Kor H. Kalk;Ellen S. Wartna

  • Characterization of intracellular inclusions formed by Pseudomonas oleovorans during growth on octane.

    M J de Smet;G Eggink;B Witholt;J Kingma

  • Diversity of Alkane Hydroxylase Systems in the Environment

    J. B. Van Beilen;Z. Li;W. A. Duetz;T. H.M. Smits

  • Degradation of halogenated aliphatic compounds by Xanthobacter autotrophicus GJ10.

    Dick B. Janssen;Alex Scheper;Lubbert Dijkhuizen;Bernard Witholt

  • An efficient and reproducible procedure for the formation of spheroplasts from variously grown Escherichia coli.

    Bernard Witholt;Mieke Boekhout;Martin Brock;Jaap Kingma

  • Genetics of alkane oxidation by Pseudomonas oleovorans

    Jan B. van Beilen;Marcel G. Wubbolts;Bernard Witholt

  • Methods for Intense Aeration, Growth, Storage, and Replication of Bacterial Strains in Microtiter Plates

    Wouter A. Duetz;Lorenz Rüedi;Robert Hermann;Kevin O'Connor

  • Cytochrome P450 alkane hydroxylases of the CYP153 family are common in alkane-degrading eubacteria lacking integral membrane alkane hydroxylases.

    Jan B. van Beilen;Enrico G. Funhoff;Alexander van Loon;Andrea Just

  • Synthesis of poly-3-hydroxyalkanoates is a common feature of fluorescent pseudomonads

    G W Huisman;O de Leeuw;G Eggink;B Witholt

  • Functional Analysis of Alkane Hydroxylases from Gram-Negative and Gram-Positive Bacteria

    Theo H. M. Smits;Stefanie B. Balada;Bernard Witholt;Jan B. van Beilen

  • PSEUDOMONAS-PUTIDA KT2442 CULTIVATED ON GLUCOSE ACCUMULATES POLY(3-HYDROXYALKANOATES) CONSISTING OF SATURATED AND UNSATURATED MONOMERS

    G N Huijberts;G Eggink;P de Waard;G W Huisman

  • Purification and characterization of hydrolytic haloalkane dehalogenase from Xanthobacter autotrophicus GJ10.

    Sytze Keuning;Dick B. Janssen;Bernard Witholt

  • [87] Fluorescence measurements

    Ludwig Brand;Bernard Witholt

  • Practical issues in the application of oxygenases

    Jan B. van Beilen;Wouter A. Duetz;Andreas Schmid;Bernard Witholt

  • Analysis of Pseudomonas putida alkane-degradation gene clusters and flanking insertion sequences: evolution and regulation of the alk genes.

    Jan B. van Beilen;Sven Panke;Sacha Lucchini;Alessandro G. Franchini

  • Perspectives of medium chain length poly(hydroxyalkanoates), a versatile set of bacterial bioplastics

    Bernard Witholt;Birgit Kessler

  • Using proteins in their natural environment: potential and limitations of microbial whole-cell hydroxylations in applied biocatalysis.

    Wouter A Duetz;Jan B Van Beilen;Bernard Witholt

  • Biotransformation of limonene by bacteria, fungi, yeasts, and plants

    W. A. Duetz;H. Bouwmeester;J. B. van Beilen;B. Witholt

  • Gene Cloning and Characterization of Multiple Alkane Hydroxylase Systems in Rhodococcus Strains Q15 and NRRL B-16531

    L. G. Whyte;T. H. M. Smits;D. Labbé;B. Witholt

  • Molecular screening for alkane hydroxylase genes in Gram-negative and Gram-positive strains

    Theo H. M. Smits;Martina Röthlisberger;Bernard Witholt;Jan B. Van Beilen

  • Cloning of 1,2-dichloroethane degradation genes of Xanthobacter autotrophicus GJ10 and expression and sequencing of the dhlA gene.

    D B Janssen;F Pries;J van der Ploeg;B Kazemier

  • Industrial Biocatalysis Today and Tomorrow

    A. Schmid;J. S. Dordick;B. Hauer;A. Kieners

Frequent Co-Authors

Andreas Schmid
Andreas Schmid Helmholtz Centre for Environmental Research
Zhi Li
Zhi Li National University of Singapore
Bernhard Hauer
Bernhard Hauer University of Stuttgart
Theo H. M. Smits
Theo H. M. Smits Zurich University of Applied Sciences
Thomas Egli
Thomas Egli Swiss Federal Institute of Aquatic Science and Technology
Dick B. Janssen
Dick B. Janssen University of Groningen
Hans-Peter E. Kohler
Hans-Peter E. Kohler Swiss Federal Institute of Aquatic Science and Technology
Frank Hollmann
Frank Hollmann Delft University of Technology
Gerrit Eggink
Gerrit Eggink Wageningen University & Research
Dominique Sanglard
Dominique Sanglard University of Lausanne

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Best Scientists Citing Bernard Witholt

Andreas Schmid

Andreas Schmid

Helmholtz Centre for Environmental Research

Publications: 122

Alexander Steinbüchel

Alexander Steinbüchel

University of Münster

Publications: 91

Dick B. Janssen

Dick B. Janssen

University of Groningen

Publications: 87

Guo-Qiang Chen

Guo-Qiang Chen

Tsinghua University

Publications: 75

Frank Hollmann

Frank Hollmann

Delft University of Technology

Publications: 69

Lars M. Blank

Lars M. Blank

RWTH Aachen University

Publications: 64

Zhi Li

Zhi Li

National University of Singapore

Publications: 56

John M. Woodley

John M. Woodley

Technical University of Denmark

Publications: 54

Bernard Witholt

Bernard Witholt

University of Groningen

Publications: 41

Uwe T. Bornscheuer

Uwe T. Bornscheuer

University of Greifswald

Publications: 37

Bernhard Hauer

Bernhard Hauer

University of Stuttgart

Publications: 35

Jochen Büchs

Jochen Büchs

RWTH Aachen University

Publications: 34

Ping Xu

Ping Xu

Shanghai Jiao Tong University

Publications: 34

Nick Wierckx

Nick Wierckx

Forschungszentrum Jülich

Publications: 33

Sang Yup Lee

Sang Yup Lee

Korea Advanced Institute of Science and Technology

Publications: 32

Víctor de Lorenzo

Víctor de Lorenzo

Spanish National Research Council

Publications: 31

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