ArticleJournal of the American Chemical Society2023
Low-Energy Shape Resonances of a Nucleobase in Water.
Article in Journal of the American Chemical Society, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 31 citations in OpenAlex.
- Structure and Dynamics of the Deprotonated Demethoxycurcumin and Bisdemethoxycurcumin Anions.The journal of physical chemistry. A · 2026Article
- Electron-Impact Resonances of Anthracene in the Presence of Methanol: Does the Solvent Identity Matter?The journal of physical chemistry letters · 2025Article
- The Influence of Water Molecules on the π* Shape Resonances of the Thymine Anion.The journal of physical chemistry. A · 2025Article
- Nitro-Group π System Drives the Interaction of RRx-001 with Electrons in Solution.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
- The role of water molecules in the dissociation of an electron-molecule contact pair.Nature communications · 2025Article
- Effect of N Atom Substitution on Electronic Resonances: A 2D Photoelectron Spectroscopic and Computational Study of Anthracene, Acridine, and Phenazine Anions.The journal of physical chemistry. A · 2024Article
- Stability and Reactivity of Aromatic Radical Anions in Solution with Relevance to Birch Reduction.Journal of the American Chemical Society · 2024Article
- Dissociative Electron Attachment to 5-Iodo-4-thio-2'-deoxyuridine: A Potential Radiosensitizer of Hypoxic Cells.The journal of physical chemistry letters · 2023Article
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Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
When high-energy radiation passes through aqueous material, low-energy electrons are produced which cause DNA damage. Electronic states of anionic nucleobases have been suggested as an entrance channel to capture the electron. However, identifying these electronic resonances have been restricted to gas-phase electron-nucleobase studies and offer limited insight into the resonances available within the aqueous environment of DNA. Here, resonance and detachment energies of the micro-hydrated uracil pyrimidine nucleobase anion are determined by two-dimensional photoelectron spectroscopy and are shown to extrapolate linearly with cluster size. This extrapolation allows the corresponding resonance and detachment energies to be determined for uracil in aqueous solution as well as the reorganization energy associated with electron capture. Two shape resonances are clearly identified that can capture low-energy electrons and subsequently form the radical anion by solvent stabilization and internal conversion to the ground electronic state. The resonances and their dynamics probed here are the nucleobase-centered doorway states for low-energy electron capture and damage in DNA.
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Registered trials
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