Electron scattering processes: fundamentals, challenges, advances, and opportunities

S Ptasinska, MTN Varella, MA Khakoo… - The European Physical …, 2022 - Springer
Much effort has been devoted to describing qualitatively and quantitatively electron
scattering processes due to their ever-increasing importance in many industrial and medical …

Dissociative Electron Attachment to 5-Iodo-4-Thio-2′-Deoxyuridine: A Potential Radiosensitizer of Hypoxic Cells

M Saqib, E Arthur-Baidoo, F Izadi… - The Journal of …, 2023 - ACS Publications
In the search for effective radiosensitizers for tumor cells, halogenated uracils have attracted
more attention due to their large cross section for dissociation upon the attachment of low …

Interaction of low-energy electrons with radiosensitizers

B Sedmidubská, J Kočišek - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
We provide an experimentalist's perspective on the present state-of-the-art in the studies of
low-energy electron interactions with common radiosensitizers, including compounds used …

Electron Attachment to 5-Fluorouracil: The Role of Hydrogen Fluoride in Dissociation Chemistry

E Arthur-Baidoo, G Schöpfer, M Ončák… - International Journal of …, 2022 - mdpi.com
We investigate dissociative electron attachment to 5-fluorouracil (5-FU) employing a crossed
electron-molecular beam experiment and quantum chemical calculations. Upon the …

Electron-Induced Decomposition of 5-Bromo-4-Thiouracil and 5-Bromo-4-Thio-2′-Deoxyuridine: The Effect of the Deoxyribose Moiety on Dissociative Electron …

F Izadi, A Szczyrba, M Datta, O Ciupak… - International Journal of …, 2023 - mdpi.com
When modified uridine derivatives are incorporated into DNA, radical species may form that
cause DNA damage. This category of molecules has been proposed as radiosensitizers and …

Ring-selective fragmentation in the tirapazamine molecule upon low-energy electron attachment

E Arthur-Baidoo, J Ameixa, M Ončák… - International Journal of …, 2021 - mdpi.com
We investigate dissociative electron attachment to tirapazamine through a crossed electron–
molecule beam experiment and quantum chemical calculations. After the electron is …

Electron-Induced Decomposition of Uracil-5-yl O-(N,N-dimethylsulfamate): Role of Methylation in Molecular Stability

E Arthur-Baidoo, K Falkiewicz… - International Journal of …, 2021 - mdpi.com
The incorporation of modified uracil derivatives into DNA leads to the formation of radical
species that induce DNA damage. Molecules of this class have been suggested as …

[HTML][HTML] Electron attachment to fluorodeoxyglucose: Dissociation dynamics in a molecule of near-zero electron affinity

E Arthur-Baidoo, M Ončák, S Denifl - The Journal of Chemical Physics, 2022 - pubs.aip.org
Fluorodeoxyglucose (FDG) is a glucose derivative with fluorine at the C 2 position. The
molecule containing the radioactive F-18 isotope is well known from its application in …

Electron attachment to isolated and microhydrated favipiravir

B Sedmidubská, TFM Luxford, J Kočišek - … Chemistry Chemical Physics, 2021 - pubs.rsc.org
Electron attachment and its equivalent in complex environments, single-electron reduction,
are important in many biological processes. Here, we experimentally study the electron …

Dynamics of Ring-Cleavage Reactions in Temozolomide Induced by Low-Energy Electron Attachment

E Arthur-Baidoo, F Izadi, C Guerra, G Garcia… - Frontiers in …, 2022 - frontiersin.org
We have used a crossed electron molecular beam setup to investigate the behavior of the
anticancer drug temozolomide (TMZ) upon the attachment of low-energy electrons (0–14 …