World's Best Scientists 2026 revealed!
Frederick A. Villamena

Frederick A. Villamena

D-Index & Metrics

Chemistry

D-Index
44
Citations
5659
World Ranking
17014
National Ranking
4190

Frederick A. Villamena 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 Frederick A. Villamena 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: 119 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Frederick A. Villamena 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 Frederick A. Villamena 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: 44 D-Index — 7th percentile

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

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

Overview

Frederick A. Villamena is affiliated with The Ohio State University in the United States, contributing to several fields including Chemistry, Materials Science, and Environmental Science. Their research encompasses a range of specialized subfields such as Water Science and Technology, Biophysics, Organic Chemistry, Materials Chemistry, and Electrochemistry.

Their recent scientific output includes publications in noted venues, with papers spanning from 2020 to 2024. Notable publications include:

  • In Situ EPR Spin Trapping and Competition Kinetics Demonstrate Temperature-Dependent Mechanisms of Synergistic Radical Production by Ultrasonically Activated Persulfate (2022) published in Environmental Science & Technology
  • Environmental implications of superoxide radicals: From natural processes to engineering applications (2024) published in Water Research
  • A ketogenic diet combined with exercise alters mitochondrial function in human skeletal muscle while improving metabolic health (2020) published in American Journal of Physiology-Endocrinology and Metabolism
  • Synergistic, aqueous PAH degradation by ultrasonically-activated persulfate depends on bulk temperature and physicochemical parameters (2020) published in Ultrasonics Sonochemistry
  • Reevaluation of the Reactivity of Superoxide Radicals with a Sulfonamide Antibiotic, Sulfacetamide: An Experimental and Theoretical Study (2021) published in ACS ES&T Water

The scientist frequently collaborates with several coauthors, with multiple joint publications recorded with:

  • Jay L. Zweíer
  • William P. Fagan
  • Linda K. Weavers
  • Zonghao Luo
  • Richard Spinney

Villamena's work primarily explores topics such as advanced oxidation water treatment, electron spin resonance studies, electrochemical analysis and applications, free radicals and antioxidants, magnetism in coordination complexes, lanthanide and transition metal complexes, and diet and metabolism studies.

Their research has been disseminated through various frequent publication venues, including:

  • Environmental Science & Technology
  • Water Research
  • American Journal of Physiology-Endocrinology and Metabolism
  • Ultrasonics Sonochemistry
  • ACS ES&T Water

Frederick A. Villamena focuses on the investigation of molecular and chemical processes, particularly those involving radicals and their implications in environmental and biological systems. Their interdisciplinary approach bridges chemistry and materials science with practical environmental applications.

Best Publications

  • Kinetics and Mechanism of Ultrasonic Activation of Persulfate: An in Situ EPR Spin Trapping Study.

    Zongsu Wei;Frederick A. Villamena;Linda K. Weavers

  • Detection of reactive oxygen and nitrogen species by EPR spin trapping.

    Frederick A. Villamena;Jay L. Zweier

  • Theoretical and Experimental Studies of the Spin Trapping of Inorganic Radicals by 5,5-Dimethyl-1-Pyrroline N-Oxide (DMPO). 3. Sulfur Dioxide, Sulfite and Sulfate Radical Anions

    Pedro L. Zamora;Frederick A. Villamena

  • Nutritional Ketosis and Mitohormesis: Potential Implications for Mitochondrial Function and Human Health

    Vincent J. Miller;Frederick A. Villamena;Jeff S. Volek

  • CD36-Dependent 7-Ketocholesterol Accumulation in Macrophages Mediates Progression of Atherosclerosis in Response to Chronic Air Pollution Exposure

    Xiaoquan Rao;Jixin Zhong;Andrei Maiseyeu;Bhavani Gopalakrishnan

  • Evidence for increased exchange interactions with 5d compared to 4d metal ions. Experimental and theoretical insights into the ferromagnetic interactions of a series of trinuclear [{M(CN)8}3-/NiII] compounds (M = MoV or WV).

    Diana Visinescu;Cédric Desplanches;Inhar Imaz;Vincent Bahers

  • Quantitative structure-activity relationships for reactivities of sulfate and hydroxyl radicals with aromatic contaminants through single-electron transfer pathway.

    Shuang Luo;Zongsu Wei;Richard Spinney;Frederick A. Villamena

  • In Situ EPR Spin Trapping and Competition Kinetics Demonstrate Temperature-Dependent Mechanisms of Synergistic Radical Production by Ultrasonically Activated Persulfate.

    Unknown

  • Theoretical and experimental studies of the spin trapping of inorganic radicals by 5,5-dimethyl-1-pyrroline N-oxide (DMPO). 2. Carbonate radical anion.

    Frederick A. Villamena;Edward J. Locigno;Antal Rockenbauer;Christopher M. Hadad

  • Lipoic acid effects on established atherosclerosis

    Zhekang Ying;Nisharahmed Kherada;Britten Farrar;Thomas Kampfrath

  • Synthesis and electrochemical and biological studies of novel coumarin-chalcone hybrid compounds.

    Fernanda Pérez-Cruz;Saleta Vazquez-Rodriguez;Maria João Matos;Alejandra Herrera-Morales

  • Kinetic study and theoretical analysis of hydroxyl radical trapping and spin adduct decay of alkoxycarbonyl and dialkoxyphosphoryl nitrones in aqueous media

    Frederick A. Villamena;Christopher M. Hadad;Jay L. Zweier

  • Large-scale synthesis of a persistent trityl radical for use in biomedical EPR applications and imaging.

    Ilirian Dhimitruka;Murugesan Velayutham;Andrey A. Bobko;Valery V. Khramtsov

  • Theoretical and Experimental Studies of the Spin Trapping of Inorganic Radicals by 5,5-Dimethyl-1-Pyrroline <i>N</i>-Oxide (DMPO). 1. Carbon Dioxide Radical Anion

    Unknown

  • Nitrones as Ligands in Complexes of Cu(II), Mn(II), Co(II), Ni(II), Fe(II), and Fe(III) with N-tert-Butyl-α-(2-pyridyl)nitrone and 2,5,5-Trimethyl-1-pyrroline-N-oxide†

    Frederick A. Villamena;and Michael H. Dickman;DeLanson R. Crist

  • Superoxide radical anion adduct of 5,5-dimethyl-1-pyrroline N-oxide (DMPO). 2. The thermodynamics of decay and EPR spectral properties.

    Frederick A. Villamena;John K. Merle;Christopher M. Hadad;Jay L. Zweier

  • Reactivity of superoxide radical anion with cyclic nitrones: role of intramolecular H-bond and electrostatic effects.

    Frederick A. Villamena;Shijing Xia;John K. Merle;Robert Lauricella

  • Environmental implications of superoxide radicals: From natural processes to engineering applications

    Unknown

  • Trityl-nitroxide biradicals as unique molecular probes for the simultaneous measurement of redox status and oxygenation.

    Yangping Liu;Frederick A. Villamena;Antal Rockenbauer;Jay L. Zweier

  • Potential implication of the chemical properties and bioactivity of nitrone spin traps for therapeutics

    Frederick A Villamena;Amlan Das;Kevin M Nash

  • Spin trapping by 5-carbamoyl-5-methyl-1-pyrroline N-oxide (AMPO): theoretical and experimental studies.

    Frederick A. Villamena;Antal Rockenbauer;Judith Gallucci;Murugesan Velayutham

  • Synthesis and characterization of ester-derivatized tetrathiatriarylmethyl radicals as intracellular oxygen probes.

    Yangping Liu;Frederick A. Villamena;Jian Sun;Yingkai Xu

  • Superoxide radical trapping and spin adduct decay of 5-tert-butoxycarbonyl-5-methyl-1-pyrroline N-oxide (BocMPO): kinetics and theoretical analysis

    Frederick A. Villamena;Jay L. Zweier

  • Synthesis of 14N- and 15N-labeled trityl-nitroxide biradicals with strong spin-spin interaction and improved sensitivity to redox status and oxygen.

    Yangping Liu;Frederick A. Villamena;Yuguang Song;Jian Sun

Frequent Co-Authors

Jay L. Zweier
Jay L. Zweier The Ohio State University
Christopher M. Hadad
Christopher M. Hadad The Ohio State University
Antal Rockenbauer
Antal Rockenbauer Hungarian Academy of Sciences
Jeff S. Volek
Jeff S. Volek The Ohio State University
Sanjay Rajagopalan
Sanjay Rajagopalan Case Western Reserve University
Periannan Kuppusamy
Periannan Kuppusamy The Ohio State University
Zongsu Wei
Zongsu Wei Aarhus University
Peng George Wang
Peng George Wang Georgia State University
Dionysios D. Dionysiou
Dionysios D. Dionysiou University of Cincinnati
Ruiyang Xiao
Ruiyang Xiao Central South University

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