ArticleEnvironmental science & technology2023
Hydrophilic Species Are the Most Biodegradable Components of Freshwater Dissolved Organic Matter.
Article in Environmental science & technology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Comparative LCMS2 Analysis of Synthetic Ether- and Ester-Linked Polyacids Refines Structural Boundaries for Small Molecules in Dissolved Organic Matter.Environmental science & technology · 2026Article
- Synergistic interactions between biogenic organic matter and microbial dynamics during simulated senescent cyanobacterial blooms in freshwater mesocosms.Frontiers in microbiomes · 2026Article
- Effects of Aging on Sucrose-Based Poly(ester-urethane)s: Thermal, Ultraviolet, and Hydrolytic Stability.Polymers · 2025Article
- Improvement of Electrospray Ionization Response Linearity and Quantification in Dissolved Organic Matter Using Synthetic Deuterated Internal Standards.Analytical chemistry · 2025Article
- Investigating the Stability of Individual Carboxylate-Rich Alicyclic Molecules Under Simulated Environmental Irradiation and Microbial Incubation Conditions.Environmental science & technology · 2025Article
- Constraining biorecalcitrance of carboxyl-rich alicyclic molecules in the ocean.Science advances · 2025Article
- Quantifying and characterizing major DOC fractions in water treatment processes: A simplified SPE method without recovering sorbed compounds.Water environment research : a research publication of the Water Environment Federation · 2025Article
- Molecular-Level Insights into Recalcitrant Ozonation Products from Effluent Organic Matter.Environmental science & technology · 2025Article
- Combined Quantification and Characterization of Dissolved Organic Matter by Liquid Chromatography-Mass Spectrometry Using Charged Aerosol Detection.Journal of the American Society for Mass Spectrometry · 2024Article
- Adaptive Responses of Cyanobacteria to Phosphate Limitation: A Focus on Marine Diazotrophs.Environmental microbiology · 2024Review
- Characterizing the Impact of Cyanobacterial Blooms on the Photoreactivity of Surface Waters from New York Lakes: A Combined Statewide Survey and Laboratory Investigation.Environmental science & technology · 2024Article
- Treeline displacement may affect lake dissolved organic matter processing at high latitudes and altitudes.Nature communications · 2024Article
- Progress and challenges in exploring aquatic microbial communities using non-targeted metabolomics.The ISME journal · 2023Review
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aquatic dissolved organic matter (DOM) is a crucial component of the global carbon cycle, and the extent to which DOM escapes mineralization is important for the transport of organic carbon from the continents to the ocean. DOM persistence strongly depends on its molecular properties, but little is known about which specific properties cause the continuum in reactivity among different dissolved molecules. We investigated how DOM fractions, separated according to their hydrophobicity, differ in biodegradability across three different inland water systems. We found a strong negative relationship between hydrophobicity and biodegradability, consistent for the three systems. The most hydrophilic fraction was poorly recovered by solid-phase extraction (SPE) (3-28% DOC recovery) and was thus selectively missed by mass spectrometry analysis during SPE. The change in DOM composition after incubation was very low according to SPE-ESI (electrospray ionization)-mass spectrometry (14% change, while replicates had 11% change), revealing that this method is sub-optimal to assess DOM biodegradability, regardless of fraction hydrophobicity. Our results demonstrate that SPE-ESI mass spectrometry does not detect the most hydrophilic and most biodegradable species. Hence, they question our current understanding of the relationships between DOM biodegradability and its molecular composition, which is built on the use of this method.
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Registered trials
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