World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
50
Citations
10954
World Ranking
17525
National Ranking
1212

Ralf Kaldenhoff publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Ralf Kaldenhoff sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 107 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Ralf Kaldenhoff D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ralf Kaldenhoff sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 50 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Ralf Kaldenhoff is affiliated with the Technical University of Darmstadt in Germany and has contributed extensively to the fields of biochemistry, genetics, molecular biology, and agricultural and biological sciences. Their research primarily centers on plant science and molecular biology, with significant attention to renewable energy, sustainability, and environmental aspects.

Their research spans key topics such as algal biology and biofuel production, photosynthetic processes and mechanisms, and the effects of light on plants. They have also focused on ATP synthase and ATPases research, spectroscopy and chemometric analyses, leaf properties and growth measurement, and plant responses to elevated CO2 levels.

Kaldenhoff's recent publications reflect these interests and include the following papers:

  • Achievements and challenges of genetic engineering of the model green alga Chlamydomonas reinhardtii, 2020, Algal Research
  • Metabolic engineering of ketocarotenoids biosynthetic pathway in Chlamydomonas reinhardtii strain CC-4102, 2020, Scientific Reports
  • Impacts of Radio-Frequency Electromagnetic Field (RF-EMF) on Lettuce (Lactuca sativa)-Evidence for RF-EMF Interference with Plant Stress Responses, 2023, Plants
  • Multi-Channel Spectral Sensors as Plant Reflectance Measuring Devices-Toward the Usability of Spectral Sensors for Phenotyping of Sweet Basil (Ocimum basilicum), 2022, Agronomy
  • Effects of high light intensity and spectral variability on maize photosynthesis and growth, 2025, Frontiers in Plant Science

Frequent coauthors with whom Kaldenhoff has collaborated include:

  • Nam Trung Tran
  • Luca Jokic
  • Tran Quoc Khanh
  • Isabell Pappert
  • Simon Greulich

The key venues where Kaldenhoff's work appears most often are Plants, Frontiers in Plant Science, Algal Research, Scientific Reports, and Agronomy.

Best Publications

  • The tobacco aquaporin NtAQP1 is a membrane CO2 pore with physiological functions

    Norbert Uehlein;Claudio Lovisolo;Franka Siefritz;Ralf Kaldenhoff

  • Rapid variations of mesophyll conductance in response to changes in CO2 concentration around leaves

    Jaume Flexas;Antonio Diaz-Espejo;Jeroni Galmés;Ralf Kaldenhoff

  • Resistances along the CO2 diffusion pathway inside leaves

    John R. Evans;Ralf Kaldenhoff;Bernard Genty;Ichiro Terashima

  • Tobacco aquaporin NtAQP1 is involved in mesophyll conductance to CO2 in vivo

    Jaume Flexas;Miquel Ribas-Carbó;David T. Hanson;Josefina Bota

  • PIP1 plasma membrane aquaporins in tobacco: from cellular effects to function in plants.

    Franka Siefritz;Melvin T. Tyree;Claudio Lovisolo;Andrea Schubert

  • Significance of plasmalemma aquaporins for water-transport in Arabidopsis thaliana

    Ralf Kaldenhoff;Karsten Grote;Jian-Jun Zhu;Ulrich Zimmermann

  • Function of Nicotiana tabacum Aquaporins as Chloroplast Gas Pores Challenges the Concept of Membrane CO2 Permeability

    Norbert Uehlein;Beate Otto;David T. Hanson;Matthias Fischer

  • Aquaporins and plant water balance.

    Ralf Kaldenhoff;Miquel Ribas-Carbo;Jaume Flexas Sans;Claudio Lovisolo

  • Nitrate reductase in Zea mays L. under salinity

    G. K. Abd‐El Baki;F. Siefritz;H.‐M. Man;H. Weiner

  • The Nicotiana tabacum plasma membrane aquaporin NtAQP1 is mercury-insensitive and permeable for glycerol.

    Alexander Biela;Karsten Grote;Beate Otto;Stefan Hoth

  • Analysis of leakage in IRGA's leaf chambers of open gas exchange systems: quantification and its effects in photosynthesis parameterization

    J Flexas;A Díaz-Espejo;JA Berry;J Cifre

  • Plasma membrane aquaporins in the motor cells of Samanea saman: diurnal and circadian regulation.

    Menachem Moshelion;Dirk Becker;Alexander Biela;Norbert Uehlein

  • Functional aquaporin diversity in plants.

    Ralf Kaldenhoff;Matthias Fischer

  • The blue light-responsive AthH2 gene of Arabidopsis thaliana is primarily expressed in expanding as well as in differentiating cells and encodes a putative channel protein of the plasmalemma.

    Ralf Kaldenhoff;A. Kölling;J. Meyers;U. Karmann

  • The Arabidopsis thaliana aquaporin AtPIP1;2 is a physiologically relevant CO2 transport facilitator

    Marlies Heckwolf;Dianne Pater;David T. Hanson;Ralf Kaldenhoff

  • Aquaporin Tetramer Composition Modifies the Function of Tobacco Aquaporins

    Beate Otto;Norbert Uehlein;Sven Sdorra;Matthias Fischer

  • Arbuscular mycorrhizal symbiosis and plant aquaporin expression

    Norbert Uehlein;Kerstin Fileschi;Martin Eckert;Gerd Patrick Bienert

  • Isolation, cloning and expression of a multifunctional O-methyltransferase capable of forming 2,5-dimethyl-4-methoxy-3(2H)-furanone, one of the key aroma compounds in strawberry fruits.

    Martina Wein;Noa Lavid;Stefan Lunkenbein;Efraim Lewinsohn

  • Aquaporins in plants

    Ralf Kaldenhoff;M. Fischer

  • Aquaporins in poplar: What a difference a symbiont makes!

    Zaklina Marjanović;Norbert Uehlein;Ralf Kaldenhoff;Janusz J Zwiazek

Frequent Co-Authors

Claudio Lovisolo
Claudio Lovisolo University of Turin
Andrea Schubert
Andrea Schubert University of Turin
Wilfried Schwab
Wilfried Schwab Technical University of Munich
Gerd Patrick Bienert
Gerd Patrick Bienert Technical University of Munich
Miquel Ribas-Carbo
Miquel Ribas-Carbo University of the Balearic Islands
Menachem Moshelion
Menachem Moshelion Hebrew University of Jerusalem
Hipólito Medrano
Hipólito Medrano University of the Balearic Islands
Jaume Flexas
Jaume Flexas University of the Balearic Islands
Rainer Hedrich
Rainer Hedrich University of Würzburg
Antonio Díaz-Espejo
Antonio Díaz-Espejo Spanish National Research Council

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