Knockout driven reactions in complex molecules and their clusters

M Gatchell, H Zettergren - … of Physics B: Atomic, Molecular and …, 2016 - iopscience.iop.org
Energetic ions lose some of their kinetic energy when interacting with electrons or nuclei in
matter. Here, we discuss combined experimental and theoretical studies on such impulse …

Dynamics of glycine dications in the gas phase: ultrafast intramolecular hydrogen migration versus Coulomb repulsion

S Maclot, DG Piekarski, A Domaracka… - The Journal of …, 2013 - ACS Publications
We present a combined experimental and theoretical study of the complex dynamics of
excited doubly ionized glycine molecules in the gas phase. Multicoincidence mass …

Time-resolved molecular dynamics of single and double hydrogen migration in ethanol

NG Kling, S Díaz-Tendero, R Obaid, MR Disla… - Nature …, 2019 - nature.com
Being the lightest, most mobile atom that exists, hydrogen plays an important role in the
chemistry of hydrocarbons, proteins and peptides and most biomolecules. Hydrogen can …

Ultrafast laser-induced isomerization dynamics in acetonitrile

M McDonnell, AC LaForge… - The journal of …, 2020 - ACS Publications
Isomerization induced by laser ionization in acetonitrile (CH3CN) was investigated using
pump–probe spectroscopy in combination with ion–ion coincident Coulomb explosion …

Polypeptide formation in clusters of β-alanine amino acids by single ion impact

P Rousseau, DG Piekarski, M Capron… - Nature …, 2020 - nature.com
The formation of peptide bonds by energetic processing of amino acids is an important step
towards the formation of biologically relevant molecules. As amino acids are present in …

Ultrafast molecular dynamics in ionized 1-and 2-propanol: from simple fragmentation to complex isomerization and roaming mechanisms

D Mishra, J Reino-González, R Obaid… - Physical Chemistry …, 2022 - pubs.rsc.org
Upon photoexcitation, molecules can undergo numerous complex processes, such as
isomerization and roaming, leading to changes in the molecular and electronic structure …

Determination of energy-transfer distributions in ionizing ion-molecule collisions

S Maclot, R Delaunay, DG Piekarski, A Domaracka… - Physical Review Letters, 2016 - APS
The ionization and fragmentation of the nucleoside thymidine in the gas phase has been
investigated by combining ion collision with state-selected photoionization experiments and …

The role of the environment in the ion induced fragmentation of uracil

P Markush, P Bolognesi, A Cartoni… - Physical Chemistry …, 2016 - pubs.rsc.org
The fragmentation of uracil molecules and pure and nano-hydrated uracil clusters by 12C4+
ion impact is investigated. This work focuses on the fragmentation behavior of complex …

Electron and ion spectroscopy of the cyclo-alanine–alanine dipeptide

J Chiarinelli, D Barreiro-Lage, P Bolognesi… - Physical Chemistry …, 2022 - pubs.rsc.org
The VUV photoionisation and photofragmentation of cyclo-alanine–alanine (cAA) has been
studied in a joint experimental and theoretical work. The photoelectron spectrum and the …

Photofragmentation specificity of photoionized cyclic amino acids (diketopiperazines) as precursors of peptide building blocks

D Barreiro-Lage, J Chiarinelli, P Bolognesi… - Physical Chemistry …, 2023 - pubs.rsc.org
The photoionisation and photofragmentation of the two cyclic dipetides cyclo (alanyl-glycine)
cGA and cyclo (glycyl-glycine) cGG, have been studied combining experiments and …