James G. Longstaffe

University of Guelph — Canada

Physics and Astronomy · Physical Sciences

13h-index621citations43works3.42yr avg
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Research Topics

NMR spectroscopy and applications(12), Soil Carbon and Nitrogen Dynamics(11), Advanced NMR Techniques and Applications(9), Isotope Analysis in Ecology(8), Per- and polyfluoroalkyl substances research(6)

Publications43 total

Acid–base properties of humic acid from soils amended with different organic amendments over 17 years in a long‐term soil experiment
Soil Science Society of America Journal·2025· 2 citedOpen Access
Variations in fluorescence properties of humic acids from calcareous soils amended with different swine manures in a long‐term soil experiment
Journal of Environmental Quality·2024· 1 citedOpen Access
1H NMR Profiling of Honey Bee Brains across Varying Ages and Seasons
Insects·2024· 1 citedOpen Access
Evidence for the formation of recalcitrant carboxyl-rich alicyclic molecules (CRAM) in an organic soil profile
2024Open Access
Chemical composition of soil humin in an organic soil profile
Applied Geochemistry·2024· 13 cited
Assessment of phosphorus status in a calcareous soil receiving long‐term application of chemical fertilizer and different forms of swine manures
Journal of Environmental Quality·2023· 5 citedOpen Access
Analysis of Molecular Structure Changes in Humic Acids from Manure-Amended Soils over 17 Years Using Elemental Analysis and Solid-State 13C Nuclear Magnetic Resonance Spectroscopy
Soil Systems·2023· 6 citedOpen Access
Phosphorus availability and corn ( <i>Zea mays</i> L.) response to application of P‐based commercial organic fertilizers to a calcareous soil
Soil Science Society of America Journal·2023· 4 citedOpen Access
Evidence for the formation of fused aromatic ring structures in an organic soil profile in the early diagenesis
Scientific Reports·2023· 7 citedOpen Access
Evidence for the formation of fused aromatic ring structures in an organic soil profile in the early diagenesis
Research Square (Research Square)·2023Open Access
Evidence for the diagenetic formation of fused aromatic ring structures in an organic soil
2023Open Access
A NOVEL NON-TARGETED METHOD FOR THE RAPID IDENTIFICATION OF CONTAMINANTS PRESENT IN COMPLEX CONTAMINATED AQUEOUS SAMPLES USING LIQUID-LIQUID EXTRACTION AND 1-D PROTON NMR
Abstracts with programs - Geological Society of America·2023
Variations in Fluorescence Properties of Humic Acid Extracts from Soils Amended with Different Organic Amendments in a Long-Term Soil Experiment
SSRN Electronic Journal·2023Open Access
1H-Nuclear Magnetic Resonance Metabolomics Analysis of <i>Arabidopsis thaliana</i> Exposed to Perfluorooctanoic Acid and Perfluoroctanesulfonic Acid
Environmental Toxicology and Chemistry·2022· 5 cited
Nuclear Magnetic Resonance Spectroscopy Analysis of Anaerobic Microbial Metabolic Response to Benzalkonium Chloride Disinfectant
Applied Sciences·2022· 2 citedOpen Access
First Nations Environmental Contaminants Program: Integrating existing knowledge on potential contaminated sites within the Nation
Rural Review Ontario Rural Planning Development and Policy·2022Open Access
Developments in benchtop NMR spectroscopy 2015–2020
Annual reports on NMR spectroscopy·2021· 30 cited
Validation and comparisons of NaOH and Na <sub>4</sub> P <sub>2</sub> O <sub>7</sub> extraction methods for the characterization of organic amendments
Soil Science Society of America Journal·2020· 11 citedOpen Access
Benchtop <sup>19</sup>F NMR spectroscopy as a practical tool for testing of remedial technologies for the degradation of perfluorooctanoic acid, a persistent organic pollutant
Magnetic Resonance in Chemistry·2020· 27 cited
DISTRIBUTION OF ARSENIC, FLUORIDE AND MANGANESE IN OVERBURDEN WATER WELLS, SOUTHERN ONTARIO, CANADA
Abstracts with programs - Geological Society of America·2020
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Frequent Co-authors

André J. Simpson(9), Yuki Audette(8), Adam Gillespie(7), Denis Courtier‐Murias(6), Myrna J. Simpson(6), Ibrahim Mohammed(6), Werner Maas(5), Julie Konzuk(5), Paul Voroney(5), Busayo Kodaolu(5), Hashim Farooq(3), Ronald Soong(3), Michael Fey(3), Jochem Struppe(3), Howard Hutchins(3), Sridevi Krishnamurthy(3), Rajeev Kumar(3), Martine Monette(3), Henry J. Stronks(3), Darcy Fallaise(3)