Carsten Simon
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View article: Enhancing Chimeric Fragmentation Spectra Deconvolution Using Direct Infusion–Tandem Mass Spectrometry Across High‐Resolution Mass Spectrometric Platforms
Enhancing Chimeric Fragmentation Spectra Deconvolution Using Direct Infusion–Tandem Mass Spectrometry Across High‐Resolution Mass Spectrometric Platforms Open
Rationale Direct infusion mass spectrometry (DI‐MS) is a rapid analytical technique widely used in omics research and other fields. However, the complexity of DI‐MS spectra frequently leads to co‐fragmentation of analytes with similar m/z …
View article: PREPRINT "Comparability of Liquid Chromatography Tandem Mass Spectrometry Analysis of Dissolved Organic Matter Across Laboratories"
PREPRINT "Comparability of Liquid Chromatography Tandem Mass Spectrometry Analysis of Dissolved Organic Matter Across Laboratories" Open
Non-targeted liquid-chromatography tandem high-resolution mass-spectrometry (LC-MS/MS) is increasingly applied for the structure-resolved chemical analysis of dissolved organic matter (DOM). With new developments in mass spectrometry instr…
View article: Photochemical Chain Scissions Enhance Polyethylene Glycol Biodegradability: from Probabilistic Modeling to Experimental Demonstration
Photochemical Chain Scissions Enhance Polyethylene Glycol Biodegradability: from Probabilistic Modeling to Experimental Demonstration Open
Polyethylene glycols (PEGs), a major class of water-soluble polymers (WSPs), are widely used in diverse applications, from which PEGs may be released into the environment. This work investigates the effect of PEG reaction with photochemica…
View article: Divergence in physical, chemical, and biological soil properties caused by different long-term bare fallow management and natural succession
Divergence in physical, chemical, and biological soil properties caused by different long-term bare fallow management and natural succession Open
View article: Deciphering the energy use channels in soil organic Matter: Impacts of long-term manure addition and necromass revealed by LC-FT-ICR-MS
Deciphering the energy use channels in soil organic Matter: Impacts of long-term manure addition and necromass revealed by LC-FT-ICR-MS Open
View article: Long-term effects of manure addition on soil organic matter molecular composition: Carbon transformation as a major driver of energetic potential
Long-term effects of manure addition on soil organic matter molecular composition: Carbon transformation as a major driver of energetic potential Open
View article: Photochemical Chain Scissions Enhance Polyethylene Glycol Biodegradability: From Probabilistic Modelling to Experimental Demonstration
Photochemical Chain Scissions Enhance Polyethylene Glycol Biodegradability: From Probabilistic Modelling to Experimental Demonstration Open
Polyethylene glycols (PEGs), a major class of water-soluble polymers (WSPs), are widely used in diverse applications which may lead to their release into the environment. This work investigates the reaction of PEGs with photochemically pro…
View article: Divergence in Physical, Chemical, and Biological Soil Properties Caused by Different Long-Term Bare Fallow Management and Natural Succession
Divergence in Physical, Chemical, and Biological Soil Properties Caused by Different Long-Term Bare Fallow Management and Natural Succession Open
View article: Cycling of dissolved organic nutrients and indications for nutrient limitations in contrasting Amazon rainforest ecosystems
Cycling of dissolved organic nutrients and indications for nutrient limitations in contrasting Amazon rainforest ecosystems Open
View article: Deciphering the Energy Use Channels in Soil Organic Matter: Impacts of Long-term Farmyard Manure Addition and Microbial Necromass Revealed by LC-FT-ICR-MS
Deciphering the Energy Use Channels in Soil Organic Matter: Impacts of Long-term Farmyard Manure Addition and Microbial Necromass Revealed by LC-FT-ICR-MS Open
Soil organic matter (SOM) plays a central role in the global carbon cycle and contributes to storage of C and energy in soils. Farmyard manure (FYM) addition to arable soils is a measure to increase SOM content, microbial activity and abun…
View article: Long-term effects of farmyard manure addition on soil organic matter molecular composition: C transformation as a major driver of energetic potential
Long-term effects of farmyard manure addition on soil organic matter molecular composition: C transformation as a major driver of energetic potential Open
Long-term addition of farmyard manure (FYM) supports the accumulation of microbial C and soil organic matter (SOM), but the effects on energy storage remain unknown. In particular, it remains unresolved whether FYM or the stimulation of mi…
View article: The Age of Buried Carbon Changes the Greenhouse Gas Budget of a Dam
The Age of Buried Carbon Changes the Greenhouse Gas Budget of a Dam Open
Dams are a globally relevant source of greenhouse gases (GHG), which impairs their function as a source of green energy. High burial rates of organic carbon (OC) in dam sediments may partly or fully offset the emissions. We argue that only…
View article: Adsorption of dissolved organic matter to mineral phases studied by laser desorption ionization mass spectrometry
Adsorption of dissolved organic matter to mineral phases studied by laser desorption ionization mass spectrometry Open
A large fraction of organic matter in soils is associated with mineral phases. This association is mediated by manifold processes (reactive transport, drying-rewetting cycles, biofilm formation, digestion of mineral particles, etc.) and ul…
View article: Do we obtain valid data from climate change incubations using soils of today?
Do we obtain valid data from climate change incubations using soils of today? Open
Assessing climate change effects on soils usually involves conducting comparisons of biogeochemical processes under projected future conditions against ambient ones. This is typically achieved through incubation experiments utilizing today…
View article: Identification of plant, bacterial and fungal necro mass markers in soil organic matter via ultrahigh resolution mass spectrometry
Identification of plant, bacterial and fungal necro mass markers in soil organic matter via ultrahigh resolution mass spectrometry Open
Soil organic matter (SOM) plays a central role in the global carbon cycle, influencing for example soil fertility, biodiversity, and erosion. Recent theories predict that SOM is a blend of plant metabolites and their breakdown products, pe…
View article: The age of buried carbon changes the greenhouse gas budget of a dam
The age of buried carbon changes the greenhouse gas budget of a dam Open
Dams are a globally relevant source of greenhouse gases (GHG), which impair their function as a source of green energy. High burial rates of organic carbon (OC) in dam sediments may partly or fully offset the emissions. We argue that only …
View article: Stability and carbon uptake of the soil microbial community is determined by differences between rhizosphere and bulk soil
Stability and carbon uptake of the soil microbial community is determined by differences between rhizosphere and bulk soil Open
The interactions between plants and soil microorganisms are fundamental for ecosystem functioning. However, it remains unclear if seasonality of plant growth impacts plant-microbial interactions, such as by inducing shifts in the microbial…
View article: Two-Dimensional Liquid Chromatography Tandem-Mass Spectrometry Untangles the Deep Metabolome of Marine Dissolved Organic Matter
Two-Dimensional Liquid Chromatography Tandem-Mass Spectrometry Untangles the Deep Metabolome of Marine Dissolved Organic Matter Open
Dissolved organic matter (DOM) is one of the most complex chemical mixtures and plays a central role in biogeochemical cycles across our ecosphere. Despite its importance, DOM remains poorly understood at the molecular level. Over the last…
View article: Uptake of plant-derived carbon and proximity to the root determine differences in temporal and spatial stability among microbial groups
Uptake of plant-derived carbon and proximity to the root determine differences in temporal and spatial stability among microbial groups Open
The interactions between plants and soil microorganisms are fundamental for ecosystem functioning. However, it remains unclear if seasonality of plant growth impacts plant-microbial interactions, such as by inducing shifts in the microbial…
View article: Molecular transformation of dissolved organic matter in soils of contrasting tropical rainforest ecosystems is similar to temperate regions suggesting common processes
Molecular transformation of dissolved organic matter in soils of contrasting tropical rainforest ecosystems is similar to temperate regions suggesting common processes Open
The variability of the molecular composition of dissolved organic matter (DOM) in soils is predominantly explained by microbial mineralization and assimilation as well as interactions with mineral surfaces and soil organic matter (SOM). Fr…
View article: Depth trends revisited: Source-induced fragmentation of soil dissolved organic matter
Depth trends revisited: Source-induced fragmentation of soil dissolved organic matter Open
Although representing only a small portion of all the organic matter being present in soils, dissolved organic matter (DOM) is its most mobile and reactive fraction. Along its transport down the soil profile, DOM interacts with minerals vi…
View article: Development of ultrahigh resolution mass spectrometry techniques to extend the molecular view of soil organic matter in solution and on mineral particles
Development of ultrahigh resolution mass spectrometry techniques to extend the molecular view of soil organic matter in solution and on mineral particles Open
Soil organic matter plays important roles in soil reactivity and fertility as well as soil physics. Nevertheless, we know relatively little about the individual molecules that make up soil organic matter but ultimately determine its p…
View article: Identification of plant, bacterial and fungal necromass markers in soil organic matter via ultrahigh resolution mass spectrometry
Identification of plant, bacterial and fungal necromass markers in soil organic matter via ultrahigh resolution mass spectrometry Open
<p>Soil organic matter (SOM) is an important driver of the global carbon cycle and plays a central role for the fertility, biodiversity, erosion and other key dynamics in soils. However, our understanding of SOM is still hampered by …
View article: Organic speciation of (micro)nutrients in relation to overall dissolved organic matter composition in soil water extracts: New insights from ultrahigh resolution mass spectrometry
Organic speciation of (micro)nutrients in relation to overall dissolved organic matter composition in soil water extracts: New insights from ultrahigh resolution mass spectrometry Open
View article: Mass Difference Matching Unfolds Hidden Molecular Structures of Dissolved Organic Matter
Mass Difference Matching Unfolds Hidden Molecular Structures of Dissolved Organic Matter Open
Ultrahigh-resolution Fourier transform mass spectrometry (FTMS) has revealed unprecedented details of natural complex mixtures such as dissolved organic matter (DOM) on a molecular formula level, but we lack approaches to access the underl…
View article: Mass difference matching unfolds hidden molecular structures of dissolved organic matter
Mass difference matching unfolds hidden molecular structures of dissolved organic matter Open
Ultrahigh-resolution Fourier transform mass spectrometry (FTMS) has revealed unprecedented detail of natural complex mixtures such as dissolved organic matter (DOM) on a molecular formula level, but we lack approaches to access the underly…
View article: Mass difference matching unfolds hidden molecular structures of dissolved organic matter
Mass difference matching unfolds hidden molecular structures of dissolved organic matter Open
Ultrahigh-resolution Fourier transform mass spectrometry (FTMS) has revealed unprecedented detail of natural complex mixtures such as dissolved organic matter (DOM) on a molecular formula level, but we lack approaches to access the underly…
View article: Molecular links between whitesand ecosystems and blackwater formation in the Rio Negro watershed
Molecular links between whitesand ecosystems and blackwater formation in the Rio Negro watershed Open
View article: Mass difference matching crystallizes hidden molecular structures of dissolved organic matter from ultrahigh-resolution tandem mass spectra
Mass difference matching crystallizes hidden molecular structures of dissolved organic matter from ultrahigh-resolution tandem mass spectra Open
Ultrahigh-resolution mass spectrometry has revealed unprecedented detail of natural complex mixtures such as dissolved organic matter (DOM) on a molecular formula level but we lack information on the underlying structural complexity for fu…
View article: Mass difference matching crystallizes hidden molecular structures of dissolved organic matter from ultrahigh-resolution tandem mass spectra
Mass difference matching crystallizes hidden molecular structures of dissolved organic matter from ultrahigh-resolution tandem mass spectra Open
Ultrahigh-resolution mass spectrometry has revealed unprecedented detail of natural complex mixtures such as dissolved organic matter (DOM) on a molecular formula level but we lack information on the underlying structural complexity for fu…