High-throughput UV-photofragmentation studies of thymine and guanine

S Wang, Y Dauletyarov, P Krüger… - Physical Chemistry …, 2023 - pubs.rsc.org
High-throughput photofragmentation studies of thymine and guanine were performed at 257
and 343 nm and for a wide range of ionisation laser intensities. Combining a continuous …

Electron impact ionization of adenine: Partial cross sections

MA Rehman, E Krishnakumar - Atoms, 2022 - mdpi.com
Electron ionization of a genetically important nucleobase, adenine, was investigated from
threshold to 500 eV using crossed electron beam–effusive molecular beam geometry and …

Delayed fragmentation of isolated nucleobases induced by MeV ions

T Nakao, R Takasu, H Tsuchida, M Saito… - The Journal of Chemical …, 2024 - pubs.aip.org
We evaluated the dissociation of isolated gas-phase nucleobase molecules induced by
mega electron volt (MeV)-energy ions to gain fundamental insights into the reactions of …

Ionization and fragmentation of valine molecules in the gas phase by electron impact

AN Zavilopulo, AI Bulhakova, SS Demes… - The European Physical …, 2021 - Springer
Formation of fragment ions due to single and dissociative ionization of the valine molecule
(C _ 5 H _ 11 NO _ 2) C 5 H 11 NO 2) by electrons was studied by mass spectrometry. This …

Effect of chemical bonding on ionization of nanoscale carbon and DNA upon proton irradiation

ZY Deng, Z Hu, HJ Feng - Chemical Engineering Journal, 2023 - Elsevier
The separation of positive and negative charges under ion irradiation leads to ionization of
the material. This ionization mechanism is closely related to DNA or tissue damage during …

Mass spectrometry of glutamic acid and glutamine in the gas phase

AN Zavilopulo, AI Bulhakova - Technical Physics Letters, 2019 - Springer
We report on the method and results of a mass-spectrometric investigation of the yield of
positive ions formed as a result of the dissociative ionization of glutamic acid and glutamine …

Peculiarities of glucose molecules destruction under irradiation at the M-30 microtron (12.5 MeV): mass spectrometric studies

VT Maslyuk, AN Zavilopulo, NI Svatiuk… - Cell Biochemistry and …, 2024 - Springer
The method of mass spectrometric studies was used to study the fragmentation of glucose in
the gas phase upon collision with low-energy electrons (20–70 eV) before and after …

Electron Scattering from Pyrimidine up to 5 keV

M Luthra, A Bharadvaja, A Prashant… - Brazilian Journal of Physics, 2024 - Springer
The work reports a comprehensive set of scattering cross sections data of pyrimidine due to
electron impact in the energy range from 1 eV to 5 keV. The elastic cross sections are …

Elektronová ionizace

K Lemr, L Borovcová - Chemické listy, 2020 - ww-w.chemicke-listy.cz
At present, electron ionization is mainly applied to analyze organic compounds by gas
chromatography/mass spectrometry method. Energetic electrons (usually having kinetic …

Electron detachment dynamics of the iodide-guanine cluster: does ionization occur from the iodide or from guanine?

R Cercola, KO Uleanya, CEH Dessent - Molecular Physics, 2020 - Taylor & Francis
Laser photodissociation spectroscopy of the I‐· guanine complex has been conducted for
the first time across the regions above the electron detachment threshold to explore the …