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Chemistry
Denmark
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 96 1550 1379 9 9 534 32632
Biology and Biochemistry 97 1756 1581 19 17 481 32918

Carl Erik Olsen publications per year

The chart shows the history of publications by Carl Erik Olsen between 1968 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Carl Erik Olsen published across 57 years, from 1968 to 2024, averaging 9.8 papers a year. Output peaked at 75 publications in 1994. 1 of the 557 publications appeared in the last two years.

No. of publications
25 50 75
Bar chart. Horizontal axis: year, 1968 to 2024. Vertical axis: number of publications, 0 to 75. Peak 75 publications in 1994. 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 5 publications 1974: 2 publications 1975: 1 publication 1976: 1 publication 1977: 2 publications 1978: 0 publications 1979: 1 publication 1980: 2 publications 1981: 0 publications 1982: 1 publication 1983: 2 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 2 publications 1990: 0 publications 1991: 7 publications 1992: 6 publications 1993: 12 publications 1994: 75 publications 1995: 17 publications 1996: 43 publications 1997: 25 publications 1998: 42 publications 1999: 19 publications 2000: 18 publications 2001: 23 publications 2002: 25 publications 2003: 16 publications 2004: 7 publications 2005: 13 publications 2006: 12 publications 2007: 14 publications 2008: 15 publications 2009: 13 publications 2010: 15 publications 2011: 14 publications 2012: 15 publications 2013: 11 publications 2014: 18 publications 2015: 19 publications 2016: 13 publications 2017: 12 publications 2018: 6 publications 2019: 5 publications 2020: 3 publications 2021: 2 publications 2022: 1 publication 2023: 0 publications 2024: 1 publication
1968 2024

557 publications in total across all disciplines

View publications per year as a table
Carl Erik Olsen: publications per year, 1968 to 2024
Year Publications
1968 1
1969 0
1970 0
1971 0
1972 0
1973 5
1974 2
1975 1
1976 1
1977 2
1978 0
1979 1
1980 2
1981 0
1982 1
1983 2
1984 0
1985 0
1986 0
1987 0
1988 0
1989 2
1990 0
1991 7
1992 6
1993 12
1994 75
1995 17
1996 43
1997 25
1998 42
1999 19
2000 18
2001 23
2002 25
2003 16
2004 7
2005 13
2006 12
2007 14
2008 15
2009 13
2010 15
2011 14
2012 15
2013 11
2014 18
2015 19
2016 13
2017 12
2018 6
2019 5
2020 3
2021 2
2022 1
2023 0
2024 1
Total 557
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Carl Erik Olsen 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 Carl Erik Olsen 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, 521–540 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: 534 publications — 90th percentile

90% 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
521–540 185 534
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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Carl Erik Olsen 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 Carl Erik Olsen 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: 96 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 96
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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Research.com Recognitions

  • 2026 - Research.com Chemistry in Denmark Leader Award

Overview

Carl Erik Olsen is affiliated with the University of Copenhagen in Denmark, focusing their research on topics at the intersection of Agricultural and Biological Sciences and Biochemistry, Genetics and Molecular Biology. Their work spans several subfields including Plant Science, Molecular Biology, Food Science, Biotechnology, and Ecology.

The scientist's research interests center on several main topics, such as Cassava research and cyanide, biochemical and biochemical processes, isotope analysis in ecology, botanical research and applications, genomics with phytochemicals and oxidative stress, Moringa oleifera research and applications, and essential oils with antimicrobial activity.

Among Olsen's recent publications are the following:

  • Biosynthesis of cyanogenic glucosides in Phaseolus lunatus and the evolution of oxime-based defenses (2020) published in Plant Direct
  • Glucosinolate profiles and phylogeny in Barbarea compared to other tribe Cardamineae (Brassicaceae) and Reseda (Resedaceae), based on a library of ion trap HPLC-MS/MS data of reference desulfoglucosinolates (2021) published in Phytochemistry
  • An Independent Evolutionary Origin for Insect Deterrent Cucurbitacins in Iberis amara (2021) published in Molecular Biology and Evolution
  • Recruitment of distinct UDP-glycosyltransferase families demonstrates dynamic evolution of chemical defense within Eucalyptus L'Hér (2022) published in New Phytologist
  • A Convenient Route to Large-Scale Chemical Synthesis of p-Hydroxyphenylacetaldehyde Oxime and Its p-β-d-Glucopyranoside: Key Intermediates and Products in Plant Specialized Metabolism (2024) published in ACS Omega

Frequent co-authors include:

  • Birger Lindberg Møller
  • Cecilie Cetti Hansen
  • Mohammed Saddik Motawia
  • Daniela Lai
  • Alexandra Bianca Maimann

Olsen's work has been published in several journals, reflecting a range of scientific interests and collaborations. Frequent publication venues include Plant Direct, Phytochemistry, New Phytologist, Molecular Biology and Evolution, and ACS Omega.

The integration of diverse fields such as plant science and molecular biology within Olsen's research highlights their engagement with specialized metabolism and chemical defense mechanisms in plants, as well as ecological and biochemical processes relevant to agricultural and biological sciences.

Best Publications

  • LNA (Locked Nucleic Acids): Synthesis of the adenine, cytosine, guanine, 5-methylcytosine, thymine and uracil bicyclonucleoside monomers, oligomerisation, and unprecedented nucleic acid recognition

    Alexei A. Koshkin;Sanjay K. Singh;Poul Nielsen;Vivek K. Rajwanshi

  • Phytochemistry of the genus Piper

    Virinder S. Parmar;Subhash C. Jain;Kirpal S. Bisht;Rajni Jain

  • Urinary and brain beta-carboline-3-carboxylates as potent inhibitors of brain benzodiazepine receptors

    Claus Braestrup;Mogens Nielsen;Carl Erik Olsen

  • Successful herbivore attack due to metabolic diversion of a plant chemical defense

    Ute Wittstock;Niels Agerbirk;Einar J. Stauber;Carl Erik Olsen

  • Glucosinolate structures in evolution.

    Niels Agerbirk;Carl Erik Olsen

  • NRT/PTR transporters are essential for translocation of glucosinolate defence compounds to seeds

    Hussam Hassan Nour-Eldin;Tonni Grube Andersen;Meike Burow;Svend Roesen Madsen

  • Arabidopsis Cytochrome P450 Monooxygenase 71A13 Catalyzes the Conversion of Indole-3-Acetaldoxime in Camalexin Synthesis

    Majse Nafisi;Sameer Goregaoker;Christopher J. Botanga;Erich Glawischnig

  • De novo biosynthesis of vanillin in fission yeast (Schizosaccharomyces pombe) and baker's yeast (Saccharomyces cerevisiae).

    Esben H. Hansen;Birger Lindberg Møller;Gertrud R. Kock;Camilla M. Bünner

  • Brain extracellular space during spreading depression and ischemia

    Anker Jon Hansen;Carl Erik Olsen

  • Camalexin is synthesized from indole-3-acetaldoxime, a key branching point between primary and secondary metabolism in Arabidopsis

    Erich Glawischnig;Bjarne Gram Hansen;Carl Erik Olsen;Barbara Ann Halkier

  • O-Glycosylated Cell Wall Proteins Are Essential in Root Hair Growth

    Silvia M. Velasquez;Martiniano M. Ricardi;Javier Gloazzo Dorosz;Paula V. Fernandez

  • Microbial production of indolylglucosinolate through engineering of a multi-gene pathway in a versatile yeast expression platform

    Michael Dalgaard Mikkelsen;Line Due Buron;Bo Salomonsen;Carl Erik Olsen

  • Composition and content of glucosinolates in developing Arabidopsis thaliana

    Bent Larsen Petersen;Sixue Chen;Carsten Hørslev Hansen;Carl Erik Olsen

  • Cassava plants with a depleted cyanogenic glucoside content in leaves and tubers. Distribution of cyanogenic glucosides, their site of synthesis and transport, and blockage of the biosynthesis by RNA interference technology.

    Kirsten Jørgensen;Søren Bak;Peter Kamp Busk;Charlotte Sørensen

  • Resistance to an Herbivore Through Engineered Cyanogenic Glucoside Synthesis

    David B. Tattersall;Søren Bak;Patrik R. Jones;Carl Erik Olsen

  • CYP71B15 (PAD3) catalyzes the final step in camalexin biosynthesis

    Regina Schuhegger;Majse Nafisi;Madina Mansourova;Bent Larsen Petersen

  • CYP83A1 and CYP83B1, Two Nonredundant Cytochrome P450 Enzymes Metabolizing Oximes in the Biosynthesis of Glucosinolates in Arabidopsis

    Peter Naur;Bent Larsen Petersen;Michael Dalgaard Mikkelsen;Søren Bak

  • CYP79F1 and CYP79F2 have distinct functions in the biosynthesis of aliphatic glucosinolates in Arabidopsis.

    Sixue Chen;Erich Glawischnig;Kirsten Jørgensen;Peter Naur

  • Reductive Dechlorination of Carbon Tetrachloride Using Iron(II) Iron(III) Hydroxide Sulfate (Green Rust)

    Marianne Erbs;Hans Christian Bruun Hansen;Carl Erik Olsen

  • Phytochemistry of the Genus Piper

    V. S. Parmar

Frequent Co-Authors

Birger Lindberg Møller
Birger Lindberg Møller University of Copenhagen
Virinder S. Parmar
Virinder S. Parmar City University of New York
Jesper Wengel
Jesper Wengel Aalborg University
Søren Bak
Søren Bak University of Copenhagen
Barbara Ann Halkier
Barbara Ann Halkier University of Copenhagen
Elmar G. Weinhold
Elmar G. Weinhold RWTH Aachen University
Koji Nakanishi
Koji Nakanishi Columbia University
Clara Viñas
Clara Viñas Institut de Ciència de Materials de Barcelona
Hussam Hassan Nour-Eldin
Hussam Hassan Nour-Eldin University of Copenhagen
Francesc Teixidor
Francesc Teixidor Institut de Ciència de Materials de Barcelona

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