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D-Index & Metrics

Biology and Biochemistry

D-Index
84
Citations
29730
World Ranking
3279
National Ranking
71

Research.com Recognitions

  • 2017 - Fellow of the Australian Academy of Science

Overview

John K. Volkman is a researcher affiliated with the Commonwealth Scientific and Industrial Research Organisation in Australia. Their work spans across multiple disciplines including Earth and Planetary Sciences, Environmental Science, and Engineering. Volkman's research integrates several subfields, notably Mechanics of Materials, Paleontology, Biotechnology, Oceanography, and Atmospheric Science.

Volkman's research output emphasizes topics such as hydrocarbon exploration and reservoir analysis, paleontology and stratigraphy of fossils, marine sponges and natural products, geochemistry and geologic mapping, geology and paleoclimatology research, petroleum processing and analysis, and isotope analysis in ecology.

Recent publications authored or co-authored by Volkman include the following:

  • Algal origin of sponge sterane biomarkers negates the oldest evidence for animals in the rock record, 2020, Nature Ecology & Evolution
  • The MALINA oceanographic expedition: how do changes in ice cover, permafrost and UV radiation impact biodiversity and biogeochemical fluxes in the Arctic Ocean?, 2021, Earth system science data
  • Widespread Sterol Methyltransferase Participates in the Biosynthesis of Both C4α- and C4β-Methyl Sterols, 2022, Journal of the American Chemical Society
  • Isotopically enriched n-alkan-2-ones with even chain predominance in a torbanite from the Sydney Basin, Australia, 2020, Organic Geochemistry
  • Inter-maceral effects on hydrocarbon generation as determined using artificial mixtures of purified macerals, 2020, Organic Geochemistry

Frequent co-authors with whom Volkman has collaborated include:

  • Zhirong Zhang
  • Ilya Bobrovskiy
  • Janet M. Hope
  • Benjamin J. Nettersheim
  • Christian Hallmann

Volkman regularly publishes in journals such as Organic Geochemistry, Nature Ecology & Evolution, Earth System Science Data, Journal of the American Chemical Society, and Elements. Organic Geochemistry is a particularly common venue for their research.

In recognition of their contributions in the scientific community, John K. Volkman was awarded the title of Fellow of the Australian Academy of Science in 2017.

Best Publications

  • A review of sterol markers for marine and terrigenous organic matter

    John K. Volkman

  • Nutritional properties of microalgae for mariculture

    M.R. Brown;S.W. Jeffrey;J.K. Volkman;G.A Dunstan

  • Microalgal biomarkers: A review of recent research developments

    John K Volkman;Stephanie M Barrett;Susan I Blackburn;Maged P Mansour

  • Fatty acid and lipid composition of 10 species of microalgae used in mariculture

    J.K. Volkman;S.W. Jeffrey;P.D. Nichols;G.I. Rogers

  • Sterols in microorganisms.

    Volkman Jk

  • Microbial lipids of an intertidal sediment—I. Fatty acids and hydrocarbons

    J.K. Volkman;R.B. Johns;F.T. Gillan;G.J. Perry

  • Essential polyunsaturated fatty acids from 14 species of diatom (Bacillariophyceae)

    Graeme A. Dunstan;John K. Volkman;Stephanie M. Barrett;Jeannie-Marie Leroi

  • Long-chain alkenes and alkenones in the marine coccolithophorid Emiliania huxleyi

    John K. Volkman;Geoffrey Eglinton;Eric D.S. Corner;T.E.V. Forsberg

  • Identification of natural, anthropogenic and petroleum hydrocarbons in aquatic sediments☆

    John K. Volkman;Daniel G. Holdsworth;Glen P. Neill;H.J. Bavor

  • Fatty acids of bacterial origin in contemporary marine sediments

    G.J. Perry;J.K. Volkman;R.B. Johns;H.J. Bavor

  • acyclic isoprenoids as biological markers

    J. K Volkman;J. R Maxwell

  • Demethylated hopanes in crude oils and their applications in petroleum geochemistry

    John K. Volkman;Robert Alexander;Robert Ian Kagi;Garry Wayne Woodhouse

  • Alkenones in Gephyrocapsa oceanica: Implications for studies of paleoclimate

    John K. Volkman;Stephanie M. Barrerr;Susan I. Blackburn;Elisabeth L. Sikes

  • Novel unsaturated straight-chain C37C39 methyl and ethyl ketones in marine sediments and a coccolithophore Emiliania huxleyi

    J.K. Volkman;G. Eglinton;E.D.S. Corner;J.R. Sargent

  • Biodegradation of aromatic hydrocarbons in crude oils from the Barrow Sub-basin of Western Australia

    John K. Volkman;Robert Alexander;Robert I. Kagi;Steven J. Rowland

  • Sterols and other triterpenoids: source specificity and evolution of biosynthetic pathways

    John K. Volkman

  • Eustigmatophyte microalgae are potential sources of C29 sterols, C22-C28 n-alcohols and C28-C32 n-alkyl diols in freshwater environments

    John K Volkman;Stephanie M Barrett;Susan I Blackburn

  • THE FATTY ACID AND STEROL COMPOSITION OF FIVE MARINE DINOFLAGELLATES

    Maged P. Mansour;John K. Volkman;Anne E. Jackson;Susan I. Blackburn

  • Changes in the lipid composition and maximisation of the polyunsaturated fatty acid content of three microalgae grown in mass culture.

    G. A. Dunstan;J. K. Volkman;S. M. Barrett;C. D. Garland

  • C25 and C30 highly branched isoprenoid alkenes in laboratory cultures of two marine diatoms

    John K. Volkman;Stephanie M. Barrett;Graeme A. Dunstan

Frequent Co-Authors

Peter D. Nichols
Peter D. Nichols Commonwealth Scientific and Industrial Research Organisation
Elisabeth L. Sikes
Elisabeth L. Sikes Rutgers, The State University of New Jersey
Susan I. Blackburn
Susan I. Blackburn CSIRO Marine and Atmospheric Research
Jaap S. Sinninghe Damsté
Jaap S. Sinninghe Damsté Royal Netherlands Institute for Sea Research
Marco J. L. Coolen
Marco J. L. Coolen Curtin University
Geoffrey Eglinton
Geoffrey Eglinton University of Bristol
Stefan Schouten
Stefan Schouten Utrecht University
Robert Alexander
Robert Alexander Curtin University
Patricia Bonin
Patricia Bonin Mediterranean Institute of Oceanography

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