Hawkes Group

Photo: Jeffrey Hawkes
Analysis of the aquatic carbon cycle
My group investigates the natural aquatic carbon cycle using advanced liquid chromatography and mass spectrometry methods. The aquatic carbon cycle is very complex and requires high resolution analytical techniques in order to determine the mechanisms under which reduced carbon is processed in the environment. We develop such techniques and work with collaborators in Uppsala and around the world to investigate the aquatic carbon cycle on Earth.
Gruppmedlemmar
Publications
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Part of Environmental Science and Technology, p. 4814-4829, 2026
- DOI for Comparability of Liquid Chromatography Tandem Mass Spectrometry Analysis of Dissolved Organic Matter across Laboratories
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Part of Environmental Science and Technology, p. 13427-13436, 2026
- DOI for Comparative LCMS2 Analysis of Synthetic Ether- and Ester-Linked Polyacids Refines Structural Boundaries for Small Molecules in Dissolved Organic Matter
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Part of Environmental Science and Technology, p. 20951-20962, 2026
- DOI for Chromatography Coupled to High-Resolution Mass Spectrometry Analysis Reveals Flaws in van Krevelen Compound Class Assignments in DOM
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Part of Biogeosciences, p. 601-623, 2025
- DOI for Contrasting seasonal patterns in particle aggregation and dissolved organic matter transformation in a sub-Arctic fjord
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Part of Marine Chemistry, 2025
- DOI for Variation in chemical composition of dissolved organic matter during the winter to spring transition in the northern Barents Sea
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Part of Analytical Chemistry, p. 18612-18620, 2025
- DOI for Enhanced Structural Understanding of Dissolved Organic Matter through Comparative LC/MS2 Analysis with Synthetic Carboxylate Rich Alicyclic Molecules
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Part of Environmental Science and Technology, p. 17571-17580, 2025
- DOI for Investigating the Stability of Individual Carboxylate-Rich Alicyclic Molecules Under Simulated Environmental Irradiation and Microbial Incubation Conditions
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Part of Analytical Chemistry, p. 18562-18572, 2025
- DOI for Improvement of Electrospray Ionization Response Linearity and Quantification in Dissolved Organic Matter Using Synthetic Deuterated Internal Standards
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Underestimated input of terrestrial dissolved organic carbon to the ocean
Part of Proceedings of the National Academy of Sciences of the United States of America, 2025
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Part of Environmental Science and Technology, p. 26539-26549, 2025
- DOI for Functional Group Distribution Shapes Chemical Properties of Degraded Terrestrial and Marine Dissolved Organic Matter
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Part of Global Biogeochemical Cycles, 2024
- DOI for Decreasing Photoreactivity and Concurrent Change in Dissolved Organic Matter Composition With Increasing Inland Water Residence Time
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Part of Environmental Science and Technology, p. 7078-7086, 2024
- DOI for Preparation of Simple Bicyclic Carboxylate-Rich Alicyclic Molecules for the Investigation of Dissolved Organic Matter
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Part of Organic Geochemistry, 2024
- DOI for Electrospray ionisation suppression in aquatic dissolved organic matter studies: Investigation via liquid chromatography-mass spectrometry
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Part of Biogeosciences, p. 4665-4679, 2024
- DOI for Reviews and syntheses: Opportunities for robust use of peak intensities from high-resolution mass spectrometry in organic matter studies
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Part of Journal of the American Society for Mass Spectrometry, p. 2910-2917, 2024
- DOI for Combined Quantification and Characterization of Dissolved Organic Matter by Liquid Chromatography-Mass Spectrometry Using Charged Aerosol Detection
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Part of Water Research, 2024
- DOI for Water residence time is an important predictor of dissolved organic matter composition and drinking water treatability
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Selective Exclusion of Aromatic Organic Carbon During Lake Ice Formation
Part of Geophysical Research Letters, 2023
- DOI for Selective Exclusion of Aromatic Organic Carbon During Lake Ice Formation
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Part of Analytical Chemistry, p. 6559-6567, 2023
- DOI for Characterization of a Newly Available Coastal Marine Dissolved Organic Matter Reference Material (TRM-0522)
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Hydrophilic Species Are the Most Biodegradable Components of Freshwater Dissolved Organic Matter
Part of Environmental Science and Technology, p. 13463-13472, 2023
- DOI for Hydrophilic Species Are the Most Biodegradable Components of Freshwater Dissolved Organic Matter
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Part of RSC Advances, p. 24594-24603, 2023
- DOI for Assessment of sample freezing as a preservation technique for analysing the molecular composition of dissolved organic matter in aquatic systems
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Antimicrobial Peptides Incorporating Halogenated Marine-Derived Amino Acid Substituents
Part of ACS Medicinal Chemistry Letters, p. 802-809, 2023
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Part of Journal of Natural Products, p. 215-224, 2022
- DOI for Spatial Distribution and Stability of Cholinesterase Inhibitory Protoberberine Alkaloids from Papaver setiferum
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Part of Environmental Science and Technology, p. 13119-13130, 2022
- DOI for Expression Levels of hgcAB Genes and Mercury Availability Jointly Explain Methylmercury Formation in Stratified Brackish Waters
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Part of Environmental Science and Technology, p. 3096-3105, 2022
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Part of Ecology, 2022
- DOI for Unified understanding of intrinsic and extrinsic controls of dissolved organic carbon reactivity in aquatic ecosystems
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Part of Environmental Science, p. 1152-1169, 2022
- DOI for Probing the impact of a phytoplankton bloom on the chemistry of nascent sea spray aerosol using high-resolution mass spectrometry
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High Molecular Weight Spectral Interferences in Mass Spectra of Dissolved Organic Matter
Part of Journal of the American Society for Mass Spectrometry, p. 394-397, 2021
- DOI for High Molecular Weight Spectral Interferences in Mass Spectra of Dissolved Organic Matter
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Unrelated Fungal Rust Candidate Effectors Act on Overlapping Plant Functions
Part of Microorganisms, 2021
- DOI for Unrelated Fungal Rust Candidate Effectors Act on Overlapping Plant Functions
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Declining fungal diversity in Arctic freshwaters along a permafrost thaw gradient
Part of Global Change Biology, p. 5889-5906, 2021
- DOI for Declining fungal diversity in Arctic freshwaters along a permafrost thaw gradient
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Part of Limnology and Oceanography, p. 818-835, 2021
- DOI for Comprehensive analysis of chemical and biological problems associated with browning agents used in aquatic studies
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The relevance of environment vs. composition on dissolved organic matter degradation in freshwaters
Part of Limnology and Oceanography, p. 306-320, 2021
- DOI for The relevance of environment vs. composition on dissolved organic matter degradation in freshwaters
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Character and environmental lability of cyanobacteria-derived dissolved organic matter
Part of Limnology and Oceanography, p. 496-509, 2021
- DOI for Character and environmental lability of cyanobacteria-derived dissolved organic matter
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Community composition of aquatic fungi across the thawing Arctic
Part of Scientific Data, 2021
- DOI for Community composition of aquatic fungi across the thawing Arctic
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Part of Microbial Cell Factories, 2021
- DOI for Production of succinate by engineered strains of Synechocystis PCC 6803 overexpressing phosphoenolpyruvate carboxylase and a glyoxylate shunt
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Mathematical chromatography deciphers the molecular fingerprints of dissolved organic matter
Part of The Analyst, p. 1789-1800, 2020
- DOI for Mathematical chromatography deciphers the molecular fingerprints of dissolved organic matter
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ICBM-OCEAN: Processing Ultrahigh-Resolution Mass Spectrometry Data of Complex Molecular Mixtures
Part of Analytical Chemistry, p. 6832-6838, 2020
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2020
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Part of Journal of Geophysical Research - Biogeosciences, 2020
- DOI for Particles and Aeration at Mire-Stream Interfaces Cause Selective Removal and Modification of Dissolved Organic Matter
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Part of Limnology and Oceanography, p. 235-258, 2020
- DOI for An international laboratory comparison of dissolved organic matter composition by high resolution mass spectrometry: Are we getting the same answer?
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Investigating the Ionization of Dissolved Organic Matter by Electrospray
Part of Analytical Chemistry, p. 14210-14218, 2020
- DOI for Investigating the Ionization of Dissolved Organic Matter by Electrospray
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Part of Journal of Geophysical Research - Biogeosciences, 2020
- DOI for Selective Adsorption of Terrestrial Dissolved Organic Matter to Inorganic Surfaces Along a Boreal Inland Water Continuum
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Part of Science of the Total Environment, p. 1019-1027, 2019
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Diffuse Hydrothermal Venting: A Hidden Source of Iron to the Oceans
Part of Frontiers in Marine Science, 2019
- DOI for Diffuse Hydrothermal Venting: A Hidden Source of Iron to the Oceans
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Part of Faraday discussions, p. 52-71, 2019
- DOI for Complexity of dissolved organic matter in the molecular size dimension: insights from coupled size exclusion chromatography electrospray ionisation mass spectrometry
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Part of Journal of Geophysical Research - Biogeosciences, p. 2412-2428, 2018
- DOI for Organic Carbon Processing During Transport Through Boreal Inland Waters: Particles as Important Sites
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Part of Environmental Science and Technology, p. 2091-2099, 2018
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Extreme isomeric complexity of dissolved organic matter found across aquatic environments
Part of Limnology and Oceanography Letters, p. 21-30, 2018
- DOI for Extreme isomeric complexity of dissolved organic matter found across aquatic environments
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Regional diversity of complex dissolved organic matter across forested hemiboreal headwater streams
Part of Scientific Reports, 2018
- DOI for Regional diversity of complex dissolved organic matter across forested hemiboreal headwater streams
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Part of Environmental Science and Technology, p. 11571-11579, 2017
- DOI for Emergence of the Reactivity Continuum of Organic Matter from Kinetics of a Multitude of Individual Molecular Constituents
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Molecular determinants of dissolved organic matter reactivity in lake water
Part of Frontiers in Earth Science, 2017
- DOI for Molecular determinants of dissolved organic matter reactivity in lake water
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