World's Best Scientists 2026 revealed!
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Chemistry
USA
2026

D-Index & Metrics

Chemistry

D-Index
136
Citations
62777
World Ranking
245
National Ranking
117

Biology and Biochemistry

D-Index
141
Citations
70070
World Ranking
263
National Ranking
179

John Ralph 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 John Ralph 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: 644 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: 253 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: 474 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

John Ralph 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 John Ralph 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: 776 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 647 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: 136 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Chemistry in United States Leader Award
  • 2025 - Research.com Chemistry in United States Leader Award

Overview

John Ralph is affiliated with the Great Lakes Bioenergy Research Center in the United States. Their research primarily intersects multiple disciplines, including Engineering, Biochemistry, Genetics and Molecular Biology, and Agricultural and Biological Sciences. The scientist has a diverse and interdisciplinary research portfolio with a significant focus on biomedical engineering, molecular biology, plant science, biotechnology, and food science.

Their work covers a range of topics with a strong emphasis on lignin and wood chemistry, plant gene expression analysis, biofuel production and bioconversion, biochemical and biochemical processes, fermentation and sensory analysis, catalysis for biomass conversion, and enzyme-mediated dye degradation.

John Ralph has authored several papers published in reputable venues. Notable recent publications include:

  • "Guidelines for performing lignin-first biorefining," 2020, Energy & Environmental Science
  • "Lignin Monomers from beyond the Canonical Monolignol Biosynthetic Pathway: Another Brick in the Wall," 2020, ACS Sustainable Chemistry & Engineering
  • "Selective lignin arylation for biomass fractionation and benign bisphenols," 2024, Nature
  • "Protection Strategies Enable Selective Conversion of Biomass," 2020, Angewandte Chemie International Edition
  • "NMR Database of Lignin and Cell Wall Model Compounds," 2024, OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

Frequent coauthors in their research include Hoon Kim, Steven D. Karlen, Wout Boerjan, Fachuang Lu, and Ruben Vanholme. These collaborations reflect ongoing partnerships with researchers who have significant joint publication records.

John Ralph frequently publishes in several scientific venues, with particularly numerous contributions to PLANT PHYSIOLOGY, ChemSusChem, ACS Sustainable Chemistry & Engineering, Frontiers in Plant Science, and Green Chemistry.

Best Publications

  • Lignin biosynthesis.

    Unknown

  • Lignin Biosynthesis and Structure

    Ruben Vanholme;Brecht Demedts;Kris Morreel;John Ralph

  • Paving the Way for Lignin Valorisation: Recent Advances in Bioengineering, Biorefining and Catalysis.

    Roberto Rinaldi;Robin Jastrzebski;Matthew T. Clough;John Ralph

  • Lignins: Natural polymers from oxidative coupling of 4-hydroxyphenyl- propanoids

    John Ralph;Knut Lundquist;Gösta Brunow;Fachuang Lu

  • Formaldehyde stabilization facilitates lignin monomer production during biomass depolymerization

    Li Shuai;Masoud Talebi Amiri;Ydna M. Questell-Santiago;Florent Héroguel

  • Repression of lignin biosynthesis promotes cellulose accumulation and growth in transgenic trees

    Wen-Jing Hu;Scott A. Harding;Jrhau Lung;Jacqueline L. Popko

  • Lignin structure and its engineering

    John Ralph;John Ralph;Catherine Lapierre;Wout Boerjan

  • Structural Characterization of Wheat Straw Lignin as Revealed by Analytical Pyrolysis, 2D-NMR, and Reductive Cleavage Methods

    José C. del Río;Jorge Rencoret;Jorge Rencoret;Pepijn Prinsen;Ángel T. Martínez

  • Lignin biosynthesis and its integration into metabolism.

    Ruben Vanholme;Barbara De Meester;John Ralph;Wout Boerjan

  • Guidelines for performing lignin-first biorefining

    Mahdi M. Abu-Omar;Katalin Barta;Gregg T. Beckham;Gregg T. Beckham;Jeremy S. Luterbacher

  • Pyrolysis-GC-MS characterization of forage materials

    John Ralph;Ronald D. Hatfield

  • Whole plant cell wall characterization using solution-state 2D NMR

    Shawn D Mansfield;Hoon Kim;Fachuang Lu;John Ralph

  • Solution-state 2D NMR of ball-milled plant cell wall gels in DMSO-d6/pyridine-d5

    Hoon Kim;John Ralph

  • Chemoselective Metal-Free Aerobic Alcohol Oxidation in Lignin

    Alireza Rahimi;Ali Azarpira;Hoon Kim;John Ralph

  • Hydroxycinnamates in lignification

    John Ralph

  • Identification and synthesis of new ferulic acid dehydrodimers present in grass cell walls

    John Ralph;Stéphane Quideau;John H. Grabber;Ronald D. Hatfield

  • Multi-scale visualization and characterization of lignocellulosic plant cell wall deconstruction during thermochemical pretreatment

    Shishir P. S. Chundawat;Shishir P. S. Chundawat;Bryon S. Donohoe;Leonardo da Costa Sousa;Thomas Elder

  • Lignin engineering.

    Unknown

  • Lignin-ferulate cross-links in grasses: active incorporation of ferulate polysaccharide esters into ryegrass lignins

    John Ralph;John H. Grabber;Ronald D. Hatfield

  • Caffeoyl Shikimate Esterase (CSE) Is an Enzyme in the Lignin Biosynthetic Pathway in Arabidopsis

    Ruben Vanholme;Ruben Vanholme;Igor Cesarino;Igor Cesarino;Katarzyna Rataj;Yuguo Xiao

  • Discovery of Lignin in Seaweed Reveals Convergent Evolution of Cell-Wall Architecture

    Patrick T. Martone;José M. Estevez;Fachuang Lu;Fachuang Lu;Katia Ruel

  • Combinatorial modification of multiple lignin traits in trees through multigene cotransformation

    Laigeng Li;Yihua Zhou;Xiaofei Cheng;Jiayan Sun

  • Pathway of p-Coumaric Acid Incorporation into Maize Lignin As Revealed by NMR

    John Ralph;Ronald D. Hatfield;Stephane Quideau;Richard F. Helm

Frequent Co-Authors

Fachuang Lu
Fachuang Lu South China University of Technology
Hoon Kim
Hoon Kim University of Wisconsin–Madison
Wout Boerjan
Wout Boerjan Ghent University
Ronald D. Hatfield
Ronald D. Hatfield United States Department of Agriculture
John H. Grabber
John H. Grabber Agricultural Research Service
Kris Morreel
Kris Morreel Ghent University
Catherine Lapierre
Catherine Lapierre University of Paris-Saclay
Jorge Rencoret
Jorge Rencoret Spanish National Research Council
Shawn D. Mansfield
Shawn D. Mansfield University of British Columbia
Richard F. Helm
Richard F. Helm Virginia Tech

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