World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
53
Citations
9552
World Ranking
13117
National Ranking
3458

Abdu I. Alayash 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 Abdu I. Alayash 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: 171 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Abdu I. Alayash 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 Abdu I. Alayash 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: 53 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Overview

Abdu I. Alayash is affiliated with the US Food and Drug Administration in the United States and has contributed extensively to research in biochemistry, genetics, molecular biology, and medicine. They have focused particularly on topics related to hemoglobin structure and function, heme oxygenase-1 and carbon monoxide, and hemoglobinopathies and related disorders.

Their work spans several subfields including cell biology, molecular biology, genetics, physiology, and pediatrics, perinatology, and child health. Central themes in their research involve erythrocyte function and pathophysiology, neonatal health and biochemistry, iron metabolism and disorders, and thermal regulation in medicine.

Alayash has published multiple papers in notable scientific venues. Some of their recent publications include:

  • "Post-translational modification as a response to cellular stress induced by hemoglobin oxidation in sickle cell disease," 2020, Scientific Reports
  • "Caffeic acid: an antioxidant with novel antisickling properties," 2021, FEBS Open Bio
  • "βCysteine 93 in human hemoglobin: a gateway to oxidative stability in health and disease," 2020, Laboratory Investigation
  • "Mitapivat increases ATP and decreases oxidative stress and erythrocyte mitochondria retention in a SCD mouse model," 2022, Blood Cells Molecules and Diseases
  • "The Impact of COVID-19 Infection on Oxygen Homeostasis: A Molecular Perspective," 2021, Frontiers in Physiology

Frequent co-authors collaborating with Alayash include:

  • Sirsendu Jana
  • Tigist Kassa
  • Michael R. Heaven
  • Richard Prince
  • Yugal Goel

Alayash has published repeatedly in several prominent journals, reflecting areas of sustained scholarly activity and influence. These venues include:

  • Frontiers in Physiology
  • International Journal of Molecular Sciences
  • Scientific Reports
  • Frontiers in Molecular Biosciences
  • Blood

Best Publications

  • Hemolysis and free hemoglobin revisited: exploring hemoglobin and hemin scavengers as a novel class of therapeutic proteins

    Dominik J. Schaer;Paul W. Buehler;Abdu I. Alayash;John D. Belcher

  • Heme triggers TLR4 signaling leading to endothelial cell activation and vaso-occlusion in murine sickle cell disease

    John D. Belcher;Chunsheng Chen;Julia Nguyen;Liming Milbauer

  • Oxygen therapeutics: can we tame haemoglobin?

    Abdu I Alayash

  • CD163 is the macrophage scavenger receptor for native and chemically modified hemoglobins in the absence of haptoglobin.

    Dominik J. Schaer;Christian A. Schaer;Christian A. Schaer;Paul W. Buehler;Paul W. Buehler;Robert A. Boykins;Robert A. Boykins

  • Redox Reactions of Hemoglobin and Myoglobin: Biological and Toxicological Implications

    Abdu I. Alayash;Rakesh P. Patel;Robert E. Cashon

  • Hemoglobin-based blood substitutes: oxygen carriers, pressor agents, or oxidants?

    Abdu I. Alayash

  • Haptoglobin preserves the CD163 hemoglobin scavenger pathway by shielding hemoglobin from peroxidative modification

    Paul W. Buehler;Bindu Abraham;Florence Vallelian;Charlotte Linnemayr

  • Sequestration of extracellular hemoglobin within a haptoglobin complex decreases its hypertensive and oxidative effects in dogs and guinea pigs

    Felicitas S. Boretti;Paul W. Buehler;Felice D’Agnillo;Katharina Kluge

  • Blood substitutes: why haven’t we been more successful?

    Abdu I. Alayash

  • Structural Basis of Peroxide-mediated Changes in Human Hemoglobin A NOVEL OXIDATIVE PATHWAY

    Yiping Jia;Paul W. Buehler;Robert A. Boykins;Richard M. Venable

  • Determination of extinction coefficients of human hemoglobin in various redox states.

    Fantao Meng;Abdu I. Alayash

  • Site-Specific Cross-Linking of Human and Bovine Hemoglobins Differentially Alters Oxygen Binding and Redox Side Reactions Producing Rhombic Heme and Heme Degradation†

    Enika Nagababu;Somasundaram Ramasamy;Joseph Moses Rifkind;Yiping Jia

  • Toxicities of hemoglobin solutions: in search of in-vitro and in-vivo model systems

    Paul W. Buehler;Abdu I. Alayash

  • Haptoglobin: old protein with new functions.

    Abdu I. Alayash

  • Ascorbate removes key precursors to oxidative damage by cell-free haemoglobin in vitro and in vivo

    Jacqueline Dunne;Alexis Caron;Patrick Menu;Abdu I. Alayash

  • Gating the radical hemoglobin to macrophages: the anti-inflammatory role of CD163, a scavenger receptor.

    Dominik J. Schaer;Abdu I. Alayash;Paul W. Buehler

  • Structural and Functional Characterization of Glutaraldehyde-Polymerized Bovine Hemoglobin and Its Isolated Fractions

    Paul W Buehler;Robert A Boykins;Yiping Jia;Scott Norris

  • Haptoglobin Binding Stabilizes Hemoglobin Ferryl Iron and the Globin Radical on Tyrosine β145

    Christopher E Cooper;Dominik J Schaer;Paul W Buehler;Michael T Wilson

  • Nitric Oxide Binding to Human Ferrihemoglobins Cross-Linked between Either α or β Subunits

    A.I. Alayash;J.C. Fratantoni;C. Bonaventura;J. Bonaventura

  • Hemoglobin and free radicals: implications for the development of a safe blood substitute

    Abdu I. Alayash;Robert E. Cashon

  • Acellular hemoglobin-mediated oxidative stress toward endothelium: a role for ferryl iron

    Daniel W. Goldman;Richard J. Breyer;David Yeh;Beth A. Brockner-Ryan

  • Effects of endogenous ascorbate on oxidation, oxygenation, and toxicokinetics of cell-free modified hemoglobin after exchange transfusion in rat and guinea pig.

    Paul W. Buehler;Felice D'Agnillo;Victoria Hoffman;Abdu I. Alayash

  • Peroxynitrite-Mediated Heme Oxidation and Protein Modification of Native and Chemically Modified Hemoglobins

    Abdu I. Alayash;Beth A.Brockner Ryan;Robert E. Cashon

Frequent Co-Authors

Alvin L. Crumbliss
Alvin L. Crumbliss Duke University
Michael T. Wilson
Michael T. Wilson University of Essex
John S. Olson
John S. Olson Rice University
Celia Bonaventura
Celia Bonaventura Duke University
Chris E. Cooper
Chris E. Cooper University of Essex
Gregory M. Vercellotti
Gregory M. Vercellotti University of Minnesota
Leif Bülow
Leif Bülow Lund University
Bo Åkerström
Bo Åkerström Lund University
Joseph Bonaventura
Joseph Bonaventura Duke University
Swee Lay Thein
Swee Lay Thein King's College London

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 Chemistry who want to explore interdisciplinary career options, pursuing degrees related to forensic science or criminal justice can be a strategic choice. A masters in forensic psychology online offers a valuable blend of scientific knowledge and behavioral analysis, opening doors to specialized forensic roles.

Understanding forensic career paths is crucial for chemistry graduates aiming to enter fields like toxicology, crime lab analysis, or evidence examination. These careers often require a solid foundation in chemical principles combined with practical forensic training.

When considering further education, it's important to account for budget constraints. Exploring the criminal justice degree cost helps students make informed decisions about financing their education while aligning it with career goals.

For those starting out or seeking flexible scheduling, criminal justice associate programs online provide foundational knowledge and can be stepping stones to advanced degrees or entry-level forensic positions.

Best Scientists Citing Abdu I. Alayash

Trending Scientists

Recently Published Articles