World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
53
Citations
12524
World Ranking
16020
National Ranking
6649

Stepan Melnyk 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 Stepan Melnyk 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: 126 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Stepan Melnyk 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 Stepan Melnyk 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: 53 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Overview

Stepan Melnyk is affiliated with the University of Arkansas for Medical Sciences in the United States. Their research spans multiple disciplines, including biochemistry, genetics, molecular biology, medicine, and engineering. Within these broad fields, they have contributed notably to molecular biology, biomedical engineering, mechanical engineering, physiology, and organic chemistry.

Their publication record shows a focus on several scientific topics. These include:

  • Biodiesel Production and Applications
  • Enzyme Catalysis and Immobilization
  • Epigenetics and DNA Methylation
  • Child Nutrition and Feeding Issues
  • Diet and Metabolism Studies
  • Adipose Tissue and Metabolism
  • Process Optimization and Integration

Stepan Melnyk's recent scholarly articles feature diverse themes in biomedical and physiological research. Notable recent papers are:

  • Randomized controlled trial of sulforaphane and metabolite discovery in children with Autism Spectrum Disorder, 2021, Molecular Autism
  • Prenatal air pollution influences neurodevelopment and behavior in autism spectrum disorder by modulating mitochondrial physiology, 2020, Molecular Psychiatry
  • Methionine dietary supplementation potentiates ionizing radiation-induced gastrointestinal syndrome, 2020, American Journal of Physiology-Gastrointestinal and Liver Physiology
  • Redox Imbalance and Methylation Disturbances in Early Childhood Obesity, 2021, Oxidative Medicine and Cellular Longevity
  • Dietary Methionine Supplementation Exacerbates Gastrointestinal Toxicity in a Mouse Model of Abdominal Irradiation, 2020, International Journal of Radiation Oncology*Biology*Physics

Their collaboration network includes frequent co-authors such as Yurii Melnyk, Halyna Mahorivska, Igor Koturbash, S. Jill James, and Rupak Pathak, indicating interdisciplinary teamwork in their research projects.

Stepan Melnyk has published extensively in a range of scientific venues. These include:

  • Bulletin of the National Technical University "KhPI" Series New solutions in modern technologies
  • Scientific news of Dahl university
  • UNC Libraries
  • Voprosy Khimii i Khimicheskoi Tekhnologii
  • Chemistry & Chemical Technology

The diversity of publication venues and co-authorship patterns highlights a multifaceted research approach, combining experimental, clinical, and engineering perspectives. This cross-disciplinary engagement is consistent with their work in biomedical engineering and related fields.

Best Publications

  • Metabolic biomarkers of increased oxidative stress and impaired methylation capacity in children with autism

    S Jill James;Paul Cutler;Stepan Melnyk;Stefanie Jernigan

  • Increase in Plasma Homocysteine Associated with Parallel Increases in Plasma S-Adenosylhomocysteine and Lymphocyte DNA Hypomethylation*

    Ping Yi;Stepan Melnyk;Marta Pogribna;Igor P. Pogribny

  • Mice deficient in methylenetetrahydrofolate reductase exhibit hyperhomocysteinemia and decreased methylation capacity, with neuropathology and aortic lipid deposition

    Zhoutao Chen;Andrew C. Karaplis;Susan L. Ackerman;Igor P. Pogribny

  • Metabolic endophenotype and related genotypes are associated with oxidative stress in children with autism

    S. Jill James;Stepan Melnyk;Stefanie Jernigan;Mario A. Cleves

  • Abnormal folate metabolism and mutation in the methylenetetrahydrofolate reductase gene may be maternal risk factors for Down syndrome

    S Jill James;Marta Pogribna;Igor P Pogribny;Stepan Melnyk

  • Elevation in S-Adenosylhomocysteine and DNA Hypomethylation: Potential Epigenetic Mechanism for Homocysteine-Related Pathology

    S. Jill James;Stepan Melnyk;Marta Pogribna;Igor P. Pogribny

  • Intracellular S-Adenosylhomocysteine Concentrations Predict Global DNA Hypomethylation in Tissues of Methyl-Deficient Cystathionine β-Synthase Heterozygous Mice

    Marie A. Caudill;Jennie C. Wang;Stepan Melnyk;Igor P. Pogribny

  • Homocysteine Metabolism in Children with Down Syndrome: In Vitro Modulation

    Marta Pogribna;Stepan Melnyk;Igor Pogribny;Abalo Chango

  • Measurement of Plasma and Intracellular S–Adenosylmethionine and S–Adenosylhomocysteine Utilizing Coulometric Electrochemical Detection: Alterations with Plasma Homocysteine and Pyridoxal 5'–Phosphate. Concentrations

    Stepan Melnyk;Marta Pogribna;Igor P. Pogribny;Ping Yi

  • Unique acyl-carnitine profiles are potential biomarkers for acquired mitochondrial disease in autism spectrum disorder

    R E Frye;S Melnyk;D F MacFabe

  • Cellular and mitochondrial glutathione redox imbalance in lymphoblastoid cells derived from children with autism

    S. Jill James;Shannon Rose;Stepan Melnyk;Stefanie Jernigan

  • Metabolic Imbalance Associated with Methylation Dysregulation and Oxidative Damage in Children with Autism

    Stepan Melnyk;Stepan Melnyk;George J. Fuchs;George J. Fuchs;Eldon Schulz;Eldon Schulz;Maya Lopez;Maya Lopez

  • Thimerosal Neurotoxicity is Associated with Glutathione Depletion: Protection with Glutathione Precursors

    S. J. James;William Slikker;Stepan Melnyk;Elizabeth New

  • A new HPLC method for the simultaneous determination of oxidized and reduced plasma aminothiols using coulometric electrochemical detection.

    S Melnyk;M Pogribna;I Pogribny;R J Hine

  • Folate deficiency disturbs hepatic methionine metabolism and promotes liver injury in the ethanol-fed micropig.

    Charles H. Halsted;Jesus A. Villanueva;Angela M. Devlin;Onni Niemelä

  • Mechanisms of DNA Damage, DNA Hypomethylation, and Tumor Progression in the Folate/Methyl-Deficient Rat Model of Hepatocarcinogenesis

    S. Jill James;Igor P. Pogribny;Marta Pogribna;Barbara J. Miller

  • Congenital heart defects and abnormal maternal biomarkers of methionine and homocysteine metabolism

    Charlotte A Hobbs;Mario A Cleves;Stepan Melnyk;Weizhi Zhao

  • Hepatic epigenetic phenotype predetermines individual susceptibility to hepatic steatosis in mice fed a lipogenic methyl-deficient diet.

    Igor P. Pogribny;Volodymyr P. Tryndyak;Tetyana V. Bagnyukova;Stepan Melnyk

  • Targeting Ras signaling through inhibition of carboxyl methylation: an unexpected property of methotrexate.

    Ann M. Winter-Vann;Barton A. Kamen;Martin O. Bergo;Stephen G. Young

  • Letter to the Editor Metabolic Endophenotype and Related Genotypes are Associated With Oxidative Stress in Children With Autism

    S. Jill James;Stepan Melnyk;Stefanie Jernigan;Mario A. Cleves

Frequent Co-Authors

Igor P. Pogribny
Igor P. Pogribny National Center for Toxicological Research
Richard E. Frye
Richard E. Frye Barrow Neurological Institute
Ivan Rusyn
Ivan Rusyn Texas A&M University
Frederick A. Beland
Frederick A. Beland National Center for Toxicological Research
Rima Rozen
Rima Rozen McGill University
Rosalia C. M. Simmen
Rosalia C. M. Simmen University of Arkansas for Medical Sciences
Juergen Hahn
Juergen Hahn Rensselaer Polytechnic Institute
Richard H. Finnell
Richard H. Finnell Baylor College of Medicine
Jacob Selhub
Jacob Selhub Tufts University
Jack A. Hinson
Jack A. Hinson University of Arkansas for Medical Sciences

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