World's Best Scientists 2026 revealed!
Poul Erik Hansen

Poul Erik Hansen

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 46 15902 14345 128 123 387 9350

Poul Erik Hansen publications per year

The chart shows the history of publications by Poul Erik Hansen between 1956 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Poul Erik Hansen published across 71 years, from 1956 to 2026, averaging 6.5 papers a year. Output peaked at 21 publications in 2000. 2 of the 459 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1956 to 2026. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2000. 1956: 2 publications 1957: 0 publications 1958: 1 publication 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 2 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: 1 publication 1972: 1 publication 1973: 0 publications 1974: 1 publication 1975: 4 publications 1976: 5 publications 1977: 5 publications 1978: 3 publications 1979: 7 publications 1980: 1 publication 1981: 8 publications 1982: 3 publications 1983: 1 publication 1984: 6 publications 1985: 2 publications 1986: 6 publications 1987: 5 publications 1988: 5 publications 1989: 9 publications 1990: 5 publications 1991: 9 publications 1992: 6 publications 1993: 9 publications 1994: 7 publications 1995: 6 publications 1996: 9 publications 1997: 13 publications 1998: 19 publications 1999: 6 publications 2000: 21 publications 2001: 7 publications 2002: 9 publications 2003: 8 publications 2004: 12 publications 2005: 16 publications 2006: 17 publications 2007: 14 publications 2008: 15 publications 2009: 18 publications 2010: 13 publications 2011: 13 publications 2012: 7 publications 2013: 9 publications 2014: 8 publications 2015: 19 publications 2016: 9 publications 2017: 15 publications 2018: 9 publications 2019: 8 publications 2020: 12 publications 2021: 14 publications 2022: 5 publications 2023: 7 publications 2024: 5 publications 2025: 1 publication 2026: 1 publication
1956 2026

459 publications in total across all disciplines

View publications per year as a table
Poul Erik Hansen: publications per year, 1956 to 2026
Year Publications
1956 2
1957 0
1958 1
1959 0
1960 0
1961 0
1962 2
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 1
1972 1
1973 0
1974 1
1975 4
1976 5
1977 5
1978 3
1979 7
1980 1
1981 8
1982 3
1983 1
1984 6
1985 2
1986 6
1987 5
1988 5
1989 9
1990 5
1991 9
1992 6
1993 9
1994 7
1995 6
1996 9
1997 13
1998 19
1999 6
2000 21
2001 7
2002 9
2003 8
2004 12
2005 16
2006 17
2007 14
2008 15
2009 18
2010 13
2011 13
2012 7
2013 9
2014 8
2015 19
2016 9
2017 15
2018 9
2019 8
2020 12
2021 14
2022 5
2023 7
2024 5
2025 1
2026 1
Total 459
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Poul Erik Hansen 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 Poul Erik Hansen 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, 381–400 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: 387 publications — 78th percentile

78% 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
381–400 459 387
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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Poul Erik Hansen 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 Poul Erik Hansen 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, 46–47 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: 46 D-Index — 12th percentile

12% 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 46
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
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

Poul Erik Hansen is a researcher affiliated with Roskilde University in Denmark. Their work spans multiple areas in the chemical and biological sciences, with a focus on understanding molecular interactions and reaction mechanisms through experimental and theoretical approaches.

The scientist's primary fields of study include chemistry and biochemistry, genetics, and molecular biology. Within these broad domains, the subfields covered are organic chemistry, molecular biology, physical and theoretical chemistry, spectroscopy, and plant science.

The research topics frequently addressed by Hansen include:

  • Crystallography and molecular interactions
  • Chemical reaction mechanisms
  • Molecular spectroscopy and chirality
  • Natural product bioactivities and synthesis
  • Free radicals and antioxidants
  • Molecular spectroscopy and structure
  • Chemical thermodynamics and molecular structure

Publication venues where Poul Erik Hansen has contributed extensively include:

  • Molecules
  • Natural Product Research
  • Magnetic Resonance in Chemistry
  • Journal of Molecular Structure
  • Journal of Molecular Liquids

Frequent collaborators in Hansen's work are:

  • Fadhil S. Kamounah
  • Mohammad Vakili
  • Quang Ton That
  • Bahjat A. Saeed
  • Hoang Khang Le

Notable recent publications by Poul Erik Hansen include:

  • NH Stretching Frequencies of Intramolecularly Hydrogen-Bonded Systems: An Experimental and Theoretical Study, 2021, Molecules
  • Structural Studies of β-Diketones and Their Implications on Biological Effects, 2021, Pharmaceuticals
  • A Spectroscopic Overview of Intramolecular Hydrogen Bonds of NH...O,S,N Type, 2021, Molecules
  • NMR of Natural Products as Potential Drugs, 2021, Molecules

The research encompasses detailed analyses of hydrogen bonding in molecular systems, structural elucidation of organic compounds relevant to biological functions, and the application of nuclear magnetic resonance (NMR) techniques in natural product drug discovery. These studies contribute to the understanding of molecular structure and interactions underpinning chemical and biological activity.

Best Publications

  • Carbon—hydrogen spin—spin coupling constants

    Poul Erik Hansen

  • Isotope effects in nuclear shielding

    Poul Erik Hansen

  • Bromophenols in Marine Algae and Their Bioactivities

    Ming Liu;Poul Erik Hansen;Xiukun Lin

  • Pharmacological profile of Xanthohumol, a Prenylated Flavonoid from Hops (Humulus lupulus)

    Ming Liu;Poul Erik Hansen;Genzhu Wang;Lin Qiu

  • 13C NMR of polycyclic aromatic compounds. A review

    Poul Erik Hansen

  • The influence of organic matter on sorption and fate of glyphosate in soil – Comparing different soils and humic substances

    Christian N. Albers;Gary T. Banta;Poul Erik Hansen;Ole S. Jacobsen

  • Solution structure of the eukaryotic pore-forming cytolysin equinatoxin II: implications for pore formation.

    Mark G Hinds;Wei Zhang;Gregor Anderluh;Poul Erik Hansen

  • NMR and IR Investigations of Strong Intramolecular Hydrogen Bonds

    Poul Erik Hansen;Jens Spanget-Larsen

  • Isolation, characterization, and quantitative analysis of Microviridin J, a new Microcystis metabolite toxic to Daphnia.

    Thomas Rohrlack;Kirsten Christoffersen;Poul Erik Hansen;Wei Zhang

  • Isotope Effects on Nuclear Shielding

    Unknown

  • Unraveling the electronic and vibrational contributions to deuterium isotope effects on C-13 chemical shifts using ab initio model calculations: Analysis of the observed isotope effects on sterically perturbed intramolecular hydrogen-bonded o-hydroxy acyl aromatics

    Jens Abildgaard;Simon Bolvig;Poul Erik Hansen

  • Long range 13C1H spin-spin coupling constants in amino acids. Conformational applications

    P.E Hansen;J Feeney;G.C.K Roberts

  • Characterisation of humic materials of different origin: a multivariate approach for quantifying the latent properties of dissolved organic matter.

    Marianne Thomsen;Pia Lassen;Shima Dobel;Poul Erik Hansen

  • Sorption of polycyclic aromatic compounds to humic acid as studied by high-performance liquid chromatography

    Torben Nielsen;Katrin Siigur;Christian Helweg;Ole Jørgensen

  • Deuterium isotope effects on 13C chemical shifts of intramolecularly hydrogen-bonded Schiff bases

    Zbigniew Rozwadowski;Eugeniusz Majewski;Teresa Dziembowska;Poul Erik Hansen

  • Magnetic susceptibility: solutions, emulsions, and cells

    P. W. Kuchel;B. E. Chapman;W. A. Bubb;P. E. Hansen

  • NMR study of proton transfer equilibrium in Schiff bases derived from 2‐hydroxy‐1‐naphthaldehyde and 1‐hydroxy‐2‐acetonaphthone. Deuterium isotope effects on 13C and 15N chemical shifts

    T. Dziembowska;Z. Rozwadowski;A. Filarowski;P. E. Hansen

  • Deuterium isotope effects on the 13C nuclear shielding of intramolecularly hydrogen-bonded systems

    Poul Erik Hansen

  • Isotope effects in the bonds of α-CrOOH and α-CrOOD

    A.Nørlund Christensen;P. Hansen;M.S. Lehmann

  • Prophylactic treatment of classical and non-classical migraine with metoprolol—a comparison with placebo

    P. G. Andersson;S. Dahl;J. H. Hansen;P. E. Hansen

  • Deuterium-Induced Isotope Effects on 13C Chemical Shifts as a Probe for Tautomerism in Enolic β-Diketones

    Simon Bolvig;Poul Erik Hansen

Frequent Co-Authors

Michael P. Williamson
Michael P. Williamson University of Sheffield
Jacek Waluk
Jacek Waluk Polish Academy of Sciences
Stephan P. A. Sauer
Stephan P. A. Sauer University of Copenhagen
Hans J. Jakobsen
Hans J. Jakobsen Aarhus University
Rasmus Wentzer Licht
Rasmus Wentzer Licht Aalborg University
Raymond S. Norton
Raymond S. Norton Monash University
Gregor Anderluh
Gregor Anderluh University of Ljubljana
Marianne Thomsen
Marianne Thomsen Aarhus University
Gary Thomas Banta
Gary Thomas Banta University of Southern Denmark
Jesper Nygård
Jesper Nygård University of Copenhagen

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