Characterisation of atmospheric organic aerosols with one-and multidimensional liquid chromatography and mass spectrometry: State of the art and future …

S Hildmann, T Hoffmann - TrAC Trends in Analytical Chemistry, 2024 - Elsevier
Aerosol particles are important components of the Earth's atmosphere and affect air quality
and climate. They are small enough to penetrate deep into human lungs and are associated …

Improved Configurational Sampling Protocol for Large Atmospheric Molecular Clusters

H Wu, M Engsvang, Y Knattrup, J Kubecka, J Elm - ACS omega, 2023 - ACS Publications
The nucleation process leading to the formation of new atmospheric particles plays a crucial
role in aerosol research. Quantum chemical (QC) calculations can be used to model the …

Quantum chemical modeling of atmospheric molecular clusters involving inorganic acids and methanesulfonic acid

M Engsvang, H Wu, Y Knattrup, J Kubečka… - Chemical Physics …, 2023 - pubs.aip.org
Atmospheric molecular cluster formation is the first stage toward aerosol particle formation.
Despite intensive progress in recent years, the relative role of different vapors and the …

Reparameterization of GFN1-xTB for atmospheric molecular clusters: applications to multi-acid–multi-base systems

Y Knattrup, J Kubečka, H Wu, F Jensen, J Elm - RSC Advances, 2024 - pubs.rsc.org
Atmospheric molecular clusters, the onset of secondary aerosol formation, are a major part
of the current uncertainty in modern climate models. Quantum chemical (QC) methods are …

The driving effects of common atmospheric molecules for formation of clusters: the case of sulfuric acid, formic acid, hydrochloric acid, ammonia, and dimethylamine

OM Longsworth, CJ Bready, GC Shields - Environmental Science …, 2023 - pubs.rsc.org
One of the main sources of uncertainty for understanding global warming is understanding
the formation of larger secondary aerosols. The beginning stages start with the formation of …

Prebiotic dimer and trimer peptide formation in gas-phase atmospheric nanoclusters of water

SE Harold, SL Warf, GC Shields - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
Insight into the origin of prebiotic molecules is key to our understanding of how living
systems evolved into the complex network of biological processes on Earth. By modelling …

The driving effects of common atmospheric molecules for formation of clusters: the case of sulfuric acid, nitric acid, hydrochloric acid, ammonia, and dimethylamine

OM Longsworth, CJ Bready, MS Joines… - Environmental Science …, 2023 - pubs.rsc.org
Understanding how secondary aerosols form in the atmosphere is one of the main
uncertainties for a better understanding of global warming. Secondary aerosols form from …

Stability and Structure of Potentially Atmospherically Relevant Glycine Ammonium Bisulfate Clusters

A Hariharan, CJ Bready, JG Ajello… - The Journal of …, 2024 - ACS Publications
New particle formation (NPF) is the process by which trace atmospheric acids and bases
cluster and grow into particles that ultimately impact climate. Sulfuric acid concentration …

Intermolecular Hydrogen-Bonded Interactions of Oxalic Acid Conformers with Sulfuric Acid and Ammonia

ES Carvalho, A Ghosh, P Chaudhuri - ACS Omega, 2024 - ACS Publications
Oxalic acid is one of the simplest naturally occurring dicarboxylic acids that is abundantly
found in the atmosphere, and it has several stable structural conformers. Hydrogen-bonded …

Accurate modeling of the potential energy surface of atmospheric molecular clusters boosted by neural networks

J Kubečka, D Ayoubi, Z Tang, Y Knattrup… - Environmental …, 2024 - pubs.rsc.org
The computational cost of accurate quantum chemistry (QC) calculations of large molecular
systems can often be unbearably high. Machine learning offers a lower computational cost …