World's Best Scientists 2026 revealed!
Friedrich Siebert

Friedrich Siebert

D-Index & Metrics

Chemistry

D-Index
52
Citations
8229
World Ranking
13668
National Ranking
1008

Friedrich Siebert 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 Friedrich Siebert 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: 157 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Friedrich Siebert 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 Friedrich Siebert 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: 52 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

Friedrich Siebert is affiliated with the University of Freiburg in Germany. Their research spans several interconnected fields, focusing primarily on Agricultural and Biological Sciences, Biochemistry, Genetics and Molecular Biology, and Neuroscience. Within these main fields, their work concentrates on subfields including Plant Science, Molecular Biology, and Cellular and Molecular Neuroscience.

The core topics in Siebert's research revolve around light-related biological processes, specifically:

  • Light effects on plants
  • Photosynthetic Processes and Mechanisms
  • Photoreceptor and optogenetics research

Siebert has published multiple peer-reviewed papers contributing to the understanding of how light influences protein and plant functions. Notable recent papers include:

  • "Intramolecular Proton Transfer Controls Protein Structural Changes in Phytochrome," 2020, published in Biochemistry
  • "Local Electric Field Changes during the Photoconversion of the Bathy Phytochrome Agp2," 2021, published in Biochemistry
  • "Light- and temperature-dependent dynamics of chromophore and protein structural changes in bathy phytochrome Agp2," 2021, published in Physical Chemistry Chemical Physics

These publications reflect a focus on molecular mechanisms underlying photoconversion and protein structural changes in phytochromes, which are light-sensitive proteins involved in plant development and signaling.

Siebert commonly collaborates with a group of co-authors who frequently appear on these papers. The prominent collaborators include:

  • Anastasia Kraskov
  • David Buhrke
  • Norbert Michael
  • Patrick Scheerer
  • Peter Hildebrandt

The publication venues where Siebert's research appears most often tend to be specialized journals in molecular biology and physical chemistry. These include:

  • Biochemistry
  • Physical Chemistry Chemical Physics

Best Publications

  • Light-driven protonation changes of internal aspartic acids of bacteriorhodopsin: an investigation of static and time-resolved infrared difference spectroscopy using [4-13C]aspartic acid labeled purple membrane

    Engelhard M;Gerwert K;Hess B;Kreutz W

  • Vibrational spectroscopy in life science

    Friedrich Siebert;Peter Hildebrandt

  • Time-Resolved FT-IR Absorption Spectroscopy Using a Step-Scan Interferometer

    Wolfgang Uhmann;Andreas Becker;Christoph Taran;Friedrich Siebert

  • Protonation states of membrane-embedded carboxylic acid groups in rhodopsin and metarhodopsin II: a Fourier-transform infrared spectroscopy study of site-directed mutants.

    Karim Fahmy;Frank Jager;Mareike Beck;Tatyana A. Zvyaga

  • Evidence for light-induced 13-cis, 14-s-cis isomerization in bacteriorhodopsin obtained by FTIR difference spectroscopy using isotopically labelled retinals.

    Klaus Gerwert;Friedrich Siebert

  • Functional role of the "ionic lock"--an interhelical hydrogen-bond network in family A heptahelical receptors.

    Reiner Vogel;Mohana Mahalingam;Steffen Lüdeke;Thomas Huber

  • Investigation of the Primary Photochemistry of Bacteriorhodopsin by Low‐Temperature Fourier‐Transform Infrared Spectroscopy

    Friedrich Siebert;Werner Mäntele

  • Identification of Glutamic Acid 113 as the Schiff Base Proton Acceptor in the Metarhodopsin II Photointermediate of Rhodopsin

    Jäger F;Fahmy K;Sakmar Tp;Siebert F

  • The Amino Terminus of the Fourth Cytoplasmic Loop of Rhodopsin Modulates Rhodopsin-Transducin Interaction

    Ethan P. Marin;A.Gopala Krishna;Tatyana A. Zvyaga;Juergen Isele

  • Asp85 is the only internal aspartic acid that gets protonated in the M intermediate and the purple-to-blue transition of bacteriorhodopsin. A solid-state 13C CP-MAS NMR investigation.

    Gu¨nther Metz;Friedrich Siebert;Martin Engelhard

  • Removal of the 9-methyl group of retinal inhibits signal transduction in the visual process. A Fourier transform infrared and biochemical investigation.

    Ulrich M. Ganter;Eduard D. Schmid;Dolores Perez-Sala;Robert R. Rando

  • Evidence for the protonation of two internal carboxylic groups during the photocycle of bacteriorhodopsin: Investigation of kinetic infrared spectroscopy

    F. Siebert;W. Mäntele;W. Kreutz

  • Charge transfer in peptides: Intramolecular radical transformations involving methionine, tryptophan and tyrosine

    Walter A. Prütz;Fritz Siebert;John Butler;Edward J. Land

  • Resolving voltage-dependent structural changes of a membrane photoreceptor by surface-enhanced IR difference spectroscopy.

    X. Jiang;E. Zaitseva;M. Schmidt;F. Siebert

  • Conformations of the Active and Inactive States of Opsin

    Reiner Vogel;Friedrich Siebert

  • Time-Resolved Step-Scan FT-IR Investigations of the Transition from KL to L in the Bacteriorhodopsin Photocycle: Identification of Chromophore Twists by Assigning Hydrogen-Out-Of-Plane (HOOP) Bending Vibrations

    Olaf Weidlich;Friedrich Siebert

  • Fourier-transform infrared spectroscopy applied to rhodopsin. The problem of the protonation state of the retinylidene Schiff base re-investigated.

    Friedrich Siebert;Werner Mäntele;Klaus Gerwert

  • The role of Glu181 in the photoactivation of rhodopsin

    Steffen Lüdeke;Mareike Beck;Elsa C.Y. Yan;Thomas P. Sakmar

  • Vibrational spectroscopy as a tool for probing protein function.

    Reiner Vogel;Friedrich Siebert

  • Time-Resolved Step-Scan Fourier Transform Infrared Spectroscopy Reveals Differences between Early and Late M Intermediates of Bacteriorhodopsin

    C. Rödig;I. Chizhov;O. Weidlich;F. Siebert

  • Infrared spectroscopy applied to biochemical and biological problems.

    Unknown

Frequent Co-Authors

Thomas P. Sakmar
Thomas P. Sakmar Rockefeller University
Martin Engelhard
Martin Engelhard Max Planck Society
Peter Hildebrandt
Peter Hildebrandt Technical University of Berlin
Mordechai Sheves
Mordechai Sheves Weizmann Institute of Science
Wolfgang Gärtner
Wolfgang Gärtner Leipzig University
Hugo Scheer
Hugo Scheer Ludwig-Maximilians-Universität München
Oliver Lenz
Oliver Lenz Johnson & Johnson
Benno Hess
Benno Hess Max Planck Society
Friedhelm Lendzian
Friedhelm Lendzian Technical University of Berlin
Dieter Oesterhelt
Dieter Oesterhelt Max Planck Society

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in how Chemistry intersects with legal and investigative fields, related online degrees offer exciting opportunities. For example, pursuing forensic psychology master's programs can complement a chemistry background by exploring the mental processes behind criminal behavior, which is valuable in multidisciplinary forensic settings.

Careers in forensic science, detailed in forensic science careers, leverage chemistry expertise to analyze physical evidence in criminal investigations. Professionals in this field apply chemical principles to uncover vital clues, making chemistry fundamentals crucial for success.

The pathway to these roles often begins with foundational studies in fields like criminal justice. Understanding how much is a criminal justice degree helps prospective students budget and plan their education effectively, especially when considering the financial investment in advanced degrees.

For those seeking a quicker entry, a 2 year criminal justice degree online offers practical knowledge and credentials. This allows students to start working in the field while potentially continuing their education in chemistry-related forensic disciplines.

Best Scientists Citing Friedrich Siebert

Trending Scientists

Recently Published Articles