Atom counting with accelerator mass spectrometry

W Kutschera, AJT Jull, M Paul, A Wallner - Reviews of Modern Physics, 2023 - APS
Accelerator mass spectrometry (AMS) was born in the late 1970s, when it was realized at
nuclear physics laboratories that the accelerator systems can be used as a sensitive mass …

Structural effects of amines in enhancing methanesulfonic acid-driven new particle formation

J Shen, J Elm, HB Xie, J Chen, J Niu… - … Science & Technology, 2020 - ACS Publications
Atmospheric amines can enhance methanesulfonic acid (MSA)-driven new particle
formation (NPF), but the mechanism is fundamentally different compared to that of the …

Glycine Peptide Chain Formation in the Gas Phase via Unimolecular Reactions

D Comte, L Lavy, P Bertier, F Calvo… - The Journal of …, 2023 - ACS Publications
Peptide chain formation from amino acids such as glycine is a key step in the emergence of
life. Unlike their synthesis by living systems, how peptide chains grow under abiotic …

Cyclones of different sizes and underflow leakage for aerosol particles separation enhancement

J Pan, Q Shen, X Cui, J Wu, L Ma, C Tian, P Fu… - Journal of cleaner …, 2021 - Elsevier
Abstract Aerosol particle (especially PM 2.5 and PM 10) is one of the most serious
environmental pollution worldwide and is urging the development of separation technology …

A Surprisingly High Enhancing Potential of Nitric Acid in Sulfuric Acid–Methylamine Nucleation

F Qiao, R Zhang, Q Zhao, F Ma, J Chen, HB Xie - Atmosphere, 2024 - mdpi.com
Nitric acid (NA) has recently been found to enhance sulfuric acid (SA)-driven new particle
formation (NPF) at low temperatures (≤ 240 K). However, studies on the role of NA in …

On peptide bond formation from protonated glycine dimers in the gas phase: computational insight into the role of protonation

L Lavy, D Comte, F Calvo, B Farizon… - Physical Chemistry …, 2025 - pubs.rsc.org
Peptide bond formation from the pure protonated glycine dimer, H+ (Gly) 2, and from the
mixed protonated glycine–diglycine dimer, H+ Gly2 (Gly), was recently found experimentally …

Water molecule elimination from the protonated methanol dimer ion—An example of a size-selective intracluster reaction

T Salbaing, D Comte, L Lavy, H Lissillour… - The Journal of …, 2024 - pubs.aip.org
The abundance of extraterrestrial methanol makes the reaction between methanol
molecules in a molecular cluster a possible key step in the search for mechanisms for the …

Organosulfate produced from consumption of SO speeds up sulfuric acid–dimethylamine atmospheric nucleation

X Zhang, Y Lian, S Tan, S Yin - Atmospheric Chemistry and …, 2024 - acp.copernicus.org
Although sulfuric acid (SA) and dimethylamine (DMA)-driven nucleation mainly dominates
the new particle formation (NPF) process in the atmosphere, seeking the involvement of …

Infrared matrix-isolation and theoretical studies of interactions between CH3I and water

S Sobanska, H Houjeij, S Coussan, C Aupetit… - Journal of Molecular …, 2021 - Elsevier
Gaseous iodomethane are naturally emitted in the atmosphere over oceans through the
algae and phytoplankton activities. The fate of naturally emitted iodomethane is of great …

Protonated molecular clusters: promoting molecular complexity

D Comte, L Lavy, L Parrado-Ospina, H Lissillour… - Physica …, 2024 - iopscience.iop.org
Molecules identified in Space display a diversity greater than ever, yet the mechanisms
responsible for this complexity remain largely unknown. The extreme conditions faced by …