NORMAN guidance on suspect and non-target screening in environmental monitoring

J Hollender, EL Schymanski, L Ahrens… - Environmental Sciences …, 2023 - Springer
Increasing production and use of chemicals and awareness of their impact on ecosystems
and humans has led to large interest for broadening the knowledge on the chemical status …

Critical review of fluorescence and absorbance measurements as surrogates for the molecular weight and aromaticity of dissolved organic matter

JA Korak, G McKay - Environmental Science: Processes & Impacts, 2024 - pubs.rsc.org
Dissolved organic matter (DOM) is ubiquitous in aquatic environments and challenging to
characterize due to its heterogeneity. Optical measurements (ie, absorbance and …

Fire impacts on the soil metabolome and organic matter biodegradability

JP VanderRoest, JA Fowler, CC Rhoades… - Environmental …, 2024 - ACS Publications
Global wildfire activity has increased since the 1970s and is projected to intensify throughout
the 21st century. Wildfires change the composition and biodegradability of soil organic …

Investigation with ESI FT-ICR MS on sorbent selectivity and comprehensive molecular composition of landfill leachate dissolved organic matter

Q Zhang, J Lv, A He, D Cao, X He, L Zhao, Y Wang… - Water Research, 2023 - Elsevier
Molecular characterization of landfill leachate dissolved organic matter (LDOM) is essential
for develo** effective processing techniques. However, the molecular selectivity of …

Evaluation of data-dependent MS/MS acquisition parameters for non-targeted metabolomics and molecular networking of environmental samples: Focus on the Q …

P Stincone, AK Pakkir Shah, R Schmid… - Analytical …, 2023 - ACS Publications
Non-targeted liquid chromatography–tandem mass spectrometry (LC–MS/MS) is a widely
used tool for metabolomics analysis, enabling the detection and annotation of small …

Petroleomics Approach to Investigate the Composition of Upgrading Products from Pyrolysis Bio-Oils as Determined by High-Field FT-ICR MS

ML Chacón-Patiño, C Mase, JF Maillard… - Energy & …, 2023 - ACS Publications
One of the few similarities between petroleum and bio-oils derived from biomass pyrolysis is
that they are both complex organic mixtures composed of thousands of distinct elemental …

The complex composition of organic aerosols emitted during burning varies between Arctic and boreal peat

E Schneider, CP Rüger, ML Chacón-Patiño… - … Earth & Environment, 2024 - nature.com
Peatlands in the northern hemisphere are a major carbon storage but face an increased risk
of wildfires due to climate change leading to large-scale smoldering fires in boreal and Arctic …

Noise Filtering Algorithm Using Gaussian Mixture Models for High-Resolution Mass Spectra of Natural Organic Matter

AA Potemkin, MA Proskurnin, DS Volkov - Analytical Chemistry, 2024 - ACS Publications
High-resolution mass spectra of natural organic matter (NOM) contain a large number of
noise signals. These signals interfere with the correct molecular composition estimation …

FT-ICR MS spectral improvement of dissolved organic matter by the absorption mode: a comparison of the electrospray ionization in positive-ion and negative-ion …

QL Fu, C Chen, Y Liu, M Fujii, P Fu - Analytical Chemistry, 2023 - ACS Publications
Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) in the absorption
mode has a superior performance over the conventional magnitude mode. However, this …

Transformation of sedimentary dissolved organic matter in electrokinetic remediation catalogued by FT-ICR mass spectrometry

T Maqbool, H Chen, Q Wang, AM McKenna, D Jiang - Water Research, 2024 - Elsevier
In electrokinetic remediation (EKR), the sedimentary dissolved organic matter (DOM) could
impede remediation by scavenging reactive species and generating unintended byproducts …