World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
88
Citations
26919
World Ranking
2295
National Ranking
51

Helmut Sigel 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 Helmut Sigel sits on this spectrum.

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 publications 1,295+

This scientist: 508 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Helmut Sigel 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 Helmut Sigel sits on this spectrum.

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 D-Index 159+

This scientist: 88 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Helmut Sigel is affiliated with the University of Basel in Switzerland and has contributed to the fields of Medicine as well as Biochemistry, Genetics and Molecular Biology. Their work spans various subfields including Molecular Biology, Epidemiology, Radiology, Nuclear Medicine and Imaging, Cardiology and Cardiovascular Medicine, and General Health Professions.

The research topics addressed by Helmut Sigel involve:

  • Cytomegalovirus and herpesvirus research
  • RNA regulation and disease
  • Advanced MRI Techniques and Applications
  • Biochemical and Molecular Research
  • Viral Infections and Immunology Research
  • HIV/AIDS drug development and treatment
  • Hermeneutics and Narrative Identity

Among the recent papers featuring Helmut Sigel as an author or co-author are:

  • "Coordination Chemistry of Nucleotides and Antivirally Active Acyclic Nucleoside Phosphonates, including Mechanistic Considerations" (2022) published in Molecules
  • "Acid-base properties of an antivirally active acyclic nucleoside phosphonate: (S)-9-[3-hydroxy-2-(phosphonomethoxy)propyl]adenine (HPMPA)" (2022) published in New Journal of Chemistry
  • "Spectrum of Disease Severity in Canavan Leukodystrophy" (2024) published in Neuropediatrics
  • "Analysis of Anthropometric Measurements in Children with Canavan Disease" (2024) published in Neuropediatrics
  • "Deep Intronic SVA_E Retrotransposition as a Novel Factor in Canavan Disease Pathogenesis" (2025) published in Human Gene Therapy

Helmut Sigel frequently collaborates with a number of researchers, including:

  • Annette Bley
  • Astrid Sigel
  • Jan Bredow
  • Amanda Nagy
  • Florian Eichler

Their publications appear predominantly in the following venues:

  • Neuropediatrics
  • Molecules
  • New Journal of Chemistry
  • Human Gene Therapy
  • Journal of Clinical Medicine

Best Publications

  • Coordinating properties of the amide bond. Stability and structure of metal ion complexes of peptides and related ligands

    Helmut Sigel;R. Bruce Martin

  • Handbook on toxicity of inorganic compounds

    Hans G. Seiler;Helmut Sigel;Astrid Sigel

  • Handbook on metals in clinical and analytical chemistry

    Hans G. Seiler;Astrid Sigel;Helmut Sigel

  • Interactions of metal ions with nucleotides and nucleic acids and their constituents

    Helmut Sigel

  • Handbook on Metalloproteins

    Ivano Bertini;Astrid Sigel;Helmut Sigel

  • Ternary Cu2+ Complexes: Stability, Structure, and Reactivity

    Helmut Sigel

  • Discriminating behavior of metal ions and ligands with regard to their biological significance

    Helmut Sigel;Donald B. McCormick

  • Comparison of the Extent of Macrochelate Formation in Complexes of Divalent Metal Ions with Guanosine (GMP2-), Inosine (IMP2-), and Adenosine 5'-Monophosphate (AMP2-). The Crucial Role of N-7 Basicity in Metal Ion-Nucleic Base Recognition

    Helmut Sigel;Salah S. Massoud;Nicolas A. Corfu

  • A stability concept for metal ion coordination to single-stranded nucleic acids and affinities of individual sites.

    Roland K. O. Sigel;Helmut Sigel

  • Macrochelate formation in monomeric metal ion complexes of nucleoside 5'-triphosphates and the promotion of stacking by metal ions. Comparison of the self-association of purine and pyrimidine 5'-triphosphates using proton nuclear magnetic resonance

    Kurt H. Scheller;Fritz Hofstetter;Paul R. Mitchell;Bernhard Prijs

  • Interrelations between Essential Metal Ions and Human Diseases

    Astrid Sigel;Helmut Sigel;Roland K. O. Sigel

  • Ternary complexes in solution. 35. Intramolecular hydrophobic ligand-ligand interactions in mixed ligand complexes containing an aliphatic amino acid

    Beda E. Fischer;Helmut Sigel

  • Ternary complexes in solution. VIII. Complex formation between the copper(II)-2,2'-bipyridyl 1:1 complex and ligands containing oxygen and/or nitrogen donor atoms

    Rolf Griesser;Helmut Sigel

  • Metal ion coordinating properties of pyrimidine-nucleoside 5'-monophosphates (CMP, UMP, TMP) and of simple phosphate monoesters, including D-ribose 5'-monophosphate. Establishment of relations between complex stability and phosphate basicity

    Salah S. Massoud;Helmut Sigel

  • Metal Ions in Life Sciences

    Astrid Sigel;Helmut Sigel;Roland K O Sigel

  • Self-association and protonation of adenosine 5'-monophosphate in comparison with its 2'- and 3'-analogues and tubercidin 5'-monophosphate (7-deaza-AMP).

    Roger Tribolet;Helmut Sigel

  • Comments on potentiometric pH titrations and the relationship between pH-meter reading and hydrogen ion concentration

    Helmut Sigel;Andreas D. Zuberbühler;Osamu Yamauchi

  • Nucleoside 5'-triphosphates: self-association, acid-base, and metal ion-binding properties in solution.

    Unknown

  • Cadmium : from toxicity to essentiality

    Astrid Sigel;Helmut Sigel;Roland K. O. Sigel

  • Metal ion/buffer interactions. Stability of binary and ternary complexes containing 2-amino-2(hydroxymethyl)-1,3-propanediol (Tris) and adenosine 5'-triphosphate (ATP).

    Beda E. Fischer;Ulrich K. Häring;Roger Tribolet;Helmut Sigel

  • Isomeric equilibria in complexes of adenosine 5′‐triphosphate with divalent metal ions

    Helmut Sigel

  • Metal Ions in Biological Systems

    Helmut Sigel;Roland K O Sigel

Frequent Co-Authors

Roland K. O. Sigel
Roland K. O. Sigel University of Zurich
Antonín Holý
Antonín Holý Czech Academy of Sciences
Bernhard Lippert
Bernhard Lippert TU Dortmund University
R. Bruce Martin
R. Bruce Martin University of Virginia
Virtudes Moreno
Virtudes Moreno University of Barcelona
F. Ann Walker
F. Ann Walker University of Arizona
Henryk Kozlowski
Henryk Kozlowski University of Wrocław
Jens Müller
Jens Müller University of Münster
Paolo Carloni
Paolo Carloni Forschungszentrum Jülich

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