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Chemistry
Canada
2025

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 108 871 770 19 16 800 42871

Stephen G. Withers publications per year

The chart shows the history of publications by Stephen G. Withers between 1974 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Stephen G. Withers published across 52 years, from 1974 to 2025, averaging 16.3 papers a year. Output peaked at 46 publications in 2004. 19 of the 845 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1974 to 2025. Vertical axis: number of publications, 0 to 46. Peak 46 publications in 2004. 1974: 1 publication 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 2 publications 1979: 3 publications 1980: 2 publications 1981: 2 publications 1982: 4 publications 1983: 0 publications 1984: 0 publications 1985: 4 publications 1986: 7 publications 1987: 2 publications 1988: 6 publications 1989: 5 publications 1990: 5 publications 1991: 5 publications 1992: 14 publications 1993: 11 publications 1994: 14 publications 1995: 20 publications 1996: 19 publications 1997: 17 publications 1998: 23 publications 1999: 16 publications 2000: 31 publications 2001: 45 publications 2002: 42 publications 2003: 24 publications 2004: 46 publications 2005: 21 publications 2006: 37 publications 2007: 35 publications 2008: 41 publications 2009: 26 publications 2010: 25 publications 2011: 23 publications 2012: 23 publications 2013: 25 publications 2014: 31 publications 2015: 19 publications 2016: 25 publications 2017: 25 publications 2018: 21 publications 2019: 24 publications 2020: 13 publications 2021: 16 publications 2022: 13 publications 2023: 12 publications 2024: 12 publications 2025: 7 publications
1974 2025

845 publications in total across all disciplines

View publications per year as a table
Stephen G. Withers: publications per year, 1974 to 2025
Year Publications
1974 1
1975 1
1976 0
1977 0
1978 2
1979 3
1980 2
1981 2
1982 4
1983 0
1984 0
1985 4
1986 7
1987 2
1988 6
1989 5
1990 5
1991 5
1992 14
1993 11
1994 14
1995 20
1996 19
1997 17
1998 23
1999 16
2000 31
2001 45
2002 42
2003 24
2004 46
2005 21
2006 37
2007 35
2008 41
2009 26
2010 25
2011 23
2012 23
2013 25
2014 31
2015 19
2016 25
2017 25
2018 21
2019 24
2020 13
2021 16
2022 13
2023 12
2024 12
2025 7
Total 845
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Stephen G. Withers 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 Stephen G. Withers 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, 781–800 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: 800 publications — 97th percentile

97% 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
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 46 800
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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Stephen G. Withers 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 Stephen G. Withers 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, 108–109 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: 108 D-Index — 95th percentile

95% 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
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68 108
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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Research.com Recognitions

  • 2025 - Research.com Chemistry in Canada Leader Award
  • 2022 - Research.com Chemistry in Canada Leader Award
  • 2016 - Chemical Institute of Canada Medal
  • 2012 - Centenary Prize, Royal Society of Chemistry (UK)
  • 2012 - Fellow of the Royal Society, United Kingdom
  • 2002 - Fellow of the Royal Society of Canada Academy of Science
  • 1993 - Rutherford Memorial Medal in Chemistry, Royal Society of Canada
  • 1988 - Corday–Morgan Prize, Royal Society of Chemistry (UK)

Overview

Stephen G. Withers is affiliated with the University of British Columbia in Canada. Their research spans fields including Biochemistry, Genetics and Molecular Biology, and Medicine, with notable focus on subfields such as Molecular Biology, Organic Chemistry, Physiology, Surgery, and Biotechnology.

The main topics covered in their work include:

  • Carbohydrate Chemistry and Synthesis
  • Glycosylation and Glycoproteins Research
  • Enzyme Production and Characterization
  • Lysosomal Storage Disorders Research
  • Renal Transplantation Outcomes and Treatments
  • Monoclonal and Polyclonal Antibodies Research
  • Transplantation: Methods and Outcomes

Recent papers authored or co-authored by Withers include:

  • "Carbohydrate-active enzymes (CAZymes) in the gut microbiome", 2022, published in Nature Reviews Microbiology
  • "Ex vivo enzymatic treatment converts blood type A donor lungs into universal blood type lungs", 2022, published in Science Translational Medicine
  • "Bioelectrocatalysis with a palladium membrane reactor", 2023, published in Nature Communications
  • "Thioglycoligase derived from fungal GH3 β-xylosidase is a multi-glycoligase with broad acceptor tolerance", 2020, published in Nature Communications
  • "Four cellulose-active lytic polysaccharide monooxygenases from Cellulomonas species", 2021, published in Biotechnology for Biofuels

The scientist frequently publishes in venues such as:

  • ACS Central Science
  • ACS Chemical Biology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Nature Communications
  • Angewandte Chemie International Edition

Frequent co-authors in their research include:

  • Seyed A. Nasseri
  • Peter Rahfeld
  • Jacob F. Wardman
  • Jayachandran N. Kizhakkedathu
  • Lyann Sim

Throughout their career, Withers has received several awards and honors, including:

  • Chemical Institute of Canada Medal, 2016
  • Centenary Prize, Royal Society of Chemistry (UK), 2012
  • Fellow of the Royal Society, United Kingdom, 2012
  • Fellow of the Royal Society of Canada, 2002 (Academy of Science)
  • Rutherford Memorial Medal in Chemistry, Royal Society of Canada, 1993
  • Corday-Morgan Prize, Royal Society of Chemistry (UK), 1988

Best Publications

  • Glycosyltransferases: structures, functions, and mechanisms.

    Lairson Ll;Henrissat B;Davies Gj;Withers Sg

  • Glycosidase Mechanisms: Anatomy of a Finely Tuned Catalyst

    David L. Zechel and;Stephen G. Withers

  • Catalysis by hen egg-white lysozyme proceeds via a covalent intermediate

    David J. Vocadlo;Gideon J. Davies;Gideon J. Davies;Roger Laine;Stephen G. Withers

  • Glycosynthases: Mutant Glycosidases for Oligosaccharide Synthesis

    Lloyd F. Mackenzie;Qingping Wang;and R. Antony J. Warren;Stephen G. Withers

  • X-ray structures along the reaction pathway of cyclodextrin glycosyltransferase elucidate catalysis in the alpha-amylase family.

    Joost C.M. Uitdehaag;Renée Mosi;Kor H. Kalk;Bart A. van der Veen

  • The structure of human pancreatic alpha-amylase at 1.8 A resolution and comparisons with related enzymes.

    Gary D. Brayer;Yaoguang Luo;Stephen G. Withers

  • Crystal structure of the retaining galactosyltransferase LgtC from Neisseria meningitidis in complex with donor and acceptor sugar analogs.

    Karina Persson;Hoa D. Ly;Manuela Dieckelmann;Warren W. Wakarchuk

  • Mechanism of Agrobacterium beta-glucosidase: kinetic studies.

    Julie B. Kempton;Stephen G. Withers

  • Crystallographic evidence for substrate-assisted catalysis in a bacterial beta-hexosaminidase.

    Brian L. Mark;David J. Vocadlo;Spencer Knapp;Barbara L. Triggs-Raine

  • Mutagenesis of glycosidases.

    Hoa D. Ly;Stephen G. Withers

  • The pKa of the general acid/base carboxyl group of a glycosidase cycles during catalysis: a 13C-NMR study of bacillus circulans xylanase.

    Lawrence P. McIntosh;Greg Hand;Philip E. Johnson;Manish D. Joshi

  • Snapshots along an enzymatic reaction coordinate: analysis of a retaining beta-glycoside hydrolase.

    G.J. Davies;L. Mackenzie;A. Varrot;M. Dauter

  • NAG-thiazoline, An N-Acetyl-β-hexosaminidase Inhibitor That Implicates Acetamido Participation

    Spencer Knapp;David Vocadlo;Zhinong Gao;Brian Kirk

  • Engineering of glycosidases and glycosyltransferases.

    Susan M Hancock;Mark D Vaughan;Stephen G Withers

  • Subsite mapping of the human pancreatic alpha-amylase active site through structural, kinetic, and mutagenesis techniques.

    Gary D. Brayer;Gary Sidhu;Robert Maurus;Edwin H. Rydberg

  • Stereoselective hydrolysis catalyzed by related beta-1,4-glucanases and beta-1,4-xylanases.

    J Gebler;N R Gilkes;M Claeyssens;D B Wilson

  • A Structural View of the Action of Escherichia Coli (Lacz) Beta-Galactosidase

    Douglas H. Juers;Tom D. Heightman;Andrea Vasella;John D. McCarter

  • Unequivocal demonstration of the involvement of a glutamate residue as a nucleophile in the mechanism of a retaining glycosidase

    Stephen G. Withers;R. Antony J. Warren;Ian P. Street;Karen Rupitz

  • Hydrogen bonding and catalysis: a novel explanation for how a single amino acid substitution can change the pH optimum of a glycosidase

    Manish D. Joshi;Gary Sidhu;Isabelle Pot;Gary D. Brayer

  • Pharmacological Enhancement of β-Hexosaminidase Activity in Fibroblasts from Adult Tay-Sachs and Sandhoff Patients

    Michael B. Tropak;Stephen P. Reid;Marianne Guiral;Stephen G. Withers

  • Glycosidase mechanisms.

    Unknown

Frequent Co-Authors

Gary D. Brayer
Gary D. Brayer University of British Columbia
Warren W. Wakarchuk
Warren W. Wakarchuk University of Alberta
Gideon J. Davies
Gideon J. Davies University of York
Natalie C. J. Strynadka
Natalie C. J. Strynadka University of British Columbia
David J. Vocadlo
David J. Vocadlo Simon Fraser University
Lawrence P. McIntosh
Lawrence P. McIntosh University of British Columbia
Spencer J. Williams
Spencer J. Williams University of Melbourne
David R. Rose
David R. Rose University of Waterloo
R A Warren
R A Warren University of British Columbia
Don J. Mahuran
Don J. Mahuran University of Toronto

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