World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
47
Citations
6758
World Ranking
15776
National Ranking
2444

Ivan K. Chu 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 Ivan K. Chu 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: 149 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Ivan K. Chu 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 Ivan K. Chu 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: 47 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Overview

Ivan K. Chu is affiliated with the University of Hong Kong in China and has an extensive research portfolio primarily in the fields of Chemistry and Biochemistry, Genetics and Molecular Biology. Their work encompasses a range of studies with a significant focus on spectroscopy and molecular biology.

Chu's research spans several subfields including:

  • Spectroscopy
  • Molecular Biology
  • Biophysics
  • Food Science
  • Plant Science

The main topics addressed in their research include:

  • Mass Spectrometry Techniques and Applications
  • Electron Spin Resonance Studies
  • Analytical Chemistry and Chromatography
  • Metabolomics and Mass Spectrometry Studies
  • Potato Plant Research
  • Plant Pathogens and Resistance
  • Free Radicals and Antioxidants

Several frequent co-authors have contributed to Chu's publications, including Jonathan Martens, Giel Berden, Jos Oomens, K. W. Michael Siu, and Mengzhu Li.

Their publications appear regularly in a select group of journals. The most frequent venues are:

  • Journal of Mass Spectrometry
  • Physical Chemistry Chemical Physics
  • Mass Spectrometry Reviews
  • Foods
  • International Journal of Molecular Sciences

Representative recent papers authored or co-authored by Ivan K. Chu include:

  • Formation of n → π+ interaction facilitating dissociative electron transfer in isolated tyrosine-containing molecular peptide radical cations (2020, Physical Chemistry Chemical Physics)
  • Study of the Efficacy of Probiotic Bacteria to Reduce Acrylamide in Food and In Vitro Digestion (2022, Foods)
  • Dissociative electron transfer of copper(ii) complexes of glycyl(glycyl/alanyl)tryptophanin vacuo: IRMPD action spectroscopy provides evidence of transition from zwitterionic to non-zwitterionic peptide structures (2020, Physical Chemistry Chemical Physics)
  • Study of Potential Synergistic Effect of Probiotic Formulas on Acrylamide Reduction (2023, International Journal of Molecular Sciences)
  • rPTMDetermine: A Fully Automated Methodology for Endogenous Tyrosine Nitration Validation, Site-Localization, and Beyond (2020, Analytical Chemistry)

The focus on mass spectrometry techniques and applications in Chu's work is evident from the publication venues and topics. Alongside experimental spectroscopy, their research engages with biochemical topics such as electron transfer in peptides, probiotics in food chemistry, and post-translational modifications of proteins.

Best Publications

  • Correction: Corrigendum: Novel anti-thrombotic agent for modulation of protein disulfide isomerase family member ERp57 for prophylactic therapy

    Guozhen Cui;Luchen Shan;Lin Guo;Ivan Keung Chu

  • Molecular radical cations of oligopeptides

    Ivan K. Chu;Christopher F. Rodriquez;‡ Tai-Chu Lau;and Alan C. Hopkinson

  • Functional characterization of key structural genes in rice flavonoid biosynthesis

    Chun Hat Shih;Hung Chu;Lee Kwan Tang;Wataru Sakamoto

  • Goldfish spexin: solution structure and novel function as a satiety factor in feeding control

    Matthew K. H. Wong;Kong Hung Sze;Ting Chen;Chi Kong Cho

  • Unique scanning capabilities of a new hybrid linear ion trap mass spectrometer (Q TRAP) used for high sensitivity proteomics applications.

    J. C. Yves Le Blanc;James W. Hager;A. M. Patricia Ilisiu;Christie Hunter

  • Examining the neuroprotective effects of protocatechuic acid and chrysin on in vitro and in vivo models of Parkinson disease.

    Zaijun Zhang;Guohui Li;Samuel S.W. Szeto;Cheong Meng Chong

  • Proton migration and tautomerism in protonated triglycine.

    Rodriquez Cf;Cunje A;Shoeib T;Chu Ik

  • Quantitative analysis of anticancer 3-deoxyanthocyanidins in infected sorghum seedlings

    Chun-Hat Shih;Siu-On Siu;Ricky Ng;Elaine Wong

  • A Stilbene Synthase Gene (SbSTS1) Is Involved in Host and Nonhost Defense Responses in Sorghum

    Christine K.Y. Yu;Karin Springob;Jürgen Schmidt;Ralph L. Nicholson

  • Copper-Mediated Peptide Radical Ions in the Gas Phase

    Elham Bagheri-Majdi;Yuyong Ke;Galina Orlova;Ivan K. Chu

  • Formation of molecular radical cations of enkephalin derivatives via collision-induced dissociation of electrospray-generated copper (II) complex ions of amines and peptides.

    Ivan K. Chu;Christopher F. Rodriguez;Alan C. Hopkinson;K. W. Michael Siu

  • Identification of flavone phytoalexins and a pathogen-inducible flavone synthase II gene (SbFNSII) in sorghum

    Yegang Du;Hung Chu;Mingfu Wang;Ivan K. Chu

  • CYP93G2 is a flavanone 2-hydroxylase required for C-glycosylflavone biosynthesis in rice.

    Yegang Du;Hung Chu;Ivan K. Chu;Clive Lo

  • Ethanolic extract of fructus Alpinia oxyphylla protects against 6-hydroxydopamine-induced damage of PC12 cells in vitro and dopaminergic neurons in zebrafish

    Zaijun Zhang;Zaijun Zhang;Lorita C. V. Cheang;Mei-Wei Wang;Guo-Hui Li

  • Activities of hydrocolloids as inhibitors of acrylamide formation in model systems and fried potato strips

    Xiaohui Zeng;Ka-Wing Cheng;Yegang Du;Ricky Kong

  • Charge-remote fragmentation of odd-electron peptide ions.

    Julia Laskin;Zhibo Yang;Corey Lam;Ivan K. Chu

  • Inhibition of mutagenic PhIP formation by epigallocatechin gallate via scavenging of phenylacetaldehyde.

    Ka-Wing Cheng;Chi Chun Wong;Jianfei Chao;Clive Lo

  • Senkyunolides reduce hydrogen peroxide-induced oxidative damage in human liver HepG2 cells via induction of heme oxygenase-1

    Hongyi Qi;Shiu On Siu;Yan Chen;Yifan Han

  • Molecular dissection of the pathogen-inducible 3-deoxyanthocyanidin biosynthesis pathway in sorghum.

    Hongjia Liu;Yegang Du;Hung Chu;Chun Hat Shih

  • Are the Radical Centers in Peptide Radical Cations Mobile? The Generation, Tautomerism, and Dissociation of Isomeric α-Carbon-Centered Triglycine Radical Cations in the Gas Phase

    Ivan K. Chu;Junfang Zhao;Minjie Xu;Shiu On Siu

Frequent Co-Authors

K. W. Michael Siu
K. W. Michael Siu University of Windsor
Alan C. Hopkinson
Alan C. Hopkinson York University
Simon Ming-Yuen Lee
Simon Ming-Yuen Lee University of Macau
Julia Laskin
Julia Laskin Purdue University West Lafayette
Mingfu Wang
Mingfu Wang University of Hong Kong
Tai-Chu Lau
Tai-Chu Lau City University of Hong Kong
Giel Berden
Giel Berden Radboud University
Jos Oomens
Jos Oomens Radboud University
Junwen Wang
Junwen Wang Mayo Clinic
Hongzhe Sun
Hongzhe Sun University of Hong Kong

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