Articles with "electron attachment" as a keyword



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Electron Attachment to Isolated Molecules as a Probe to Understand Mitochondrial Reductive Processes.

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Published in 2021 at "Methods in molecular biology"

DOI: 10.1007/978-1-0716-1270-5_7

Abstract: This chapter describes the complementary experimental techniques Electron Transmission Spectroscopy and Dissociative Electron Attachment Spectroscopy, two of the most suitable means for investigating interactions between electrons and gas-phase molecules, resonance formation of temporary molecular negative… read more here.

Keywords: electron attachment; attachment isolated; dissociative electron; spectroscopy ... See more keywords
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Electron Attachment and Electron Ionization of Formic Acid Clusters Embedded in Helium Nanodroplets

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Published in 2019 at "Journal of the American Society for Mass Spectrometry"

DOI: 10.1007/s13361-018-02124-z

Abstract: AbstractWe report the results of an experimental study of electron ionization of large helium nanodroplets doped with formic acid (FA). Several homologous series of cluster anions are observed, including [FAn-H]−, undissociated FAn−, and these ions… read more here.

Keywords: electron attachment; acid clusters; formic acid; electron ionization ... See more keywords
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Intramolecular Proton Transfer in the Radical Anion of Cytidine Monophosphate Sheds Light on the Sensitivities of Dry vs Wet DNA to Electron Attachment-Induced Damage

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Published in 2023 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.3c00591

Abstract: Single-strand breaks (SSBs) induced via electron attachment were previously observed in dry DNA under ultrahigh vacuum (UHV), while hydrated electrons were found not able to induce this DNA damage in an aqueous solution. To explain… read more here.

Keywords: attachment; dna; proton transfer; electron attachment ... See more keywords
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Symmetry breaking by quantum coherence in single electron attachment

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Published in 2018 at "Nature Physics"

DOI: 10.1038/nphys4289

Abstract: Resonant electron attachment and subsequent dissociation of diatomic molecules is shown to exhibit spatial asymmetry as a consequence of coherent excitation and subsequent interference between reaction pathways. read more here.

Keywords: quantum coherence; electron attachment; symmetry breaking; breaking quantum ... See more keywords
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Decomposition of triazole and 3-nitrotriazole upon low-energy electron attachment

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Published in 2023 at "Physical Chemistry Chemical Physics"

DOI: 10.1039/d3cp01162c

Abstract: Compounds based on nitrotriazole have been studied for their application as potential radiosensitizers for the treatment of tumors and as energetic materials. In the former application, the initial reduction of the compounds may serve as… read more here.

Keywords: low energy; triazole nitrotriazole; electron attachment; decomposition triazole ... See more keywords
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Dissociative electron attachment cross sections for ro-vibrationally excited NO molecule and N − anion formation

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Published in 2020 at "Plasma Sources Science and Technology"

DOI: 10.1088/1361-6595/abbae3

Abstract: Motivated by the huge need of data for non-equilibrium plasma modeling, a theoretical investigation of dissociative electron attachment to the NO molecule is performed. The calculations presented here are based on the Local-Complex-Potential approach, taking… read more here.

Keywords: dissociative electron; cross sections; cross; electron ... See more keywords
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Nonlocal complex potential theory of dissociative electron attachment: Inclusion of two vibrational modes

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Published in 2020 at "Physical Review A"

DOI: 10.1103/physreva.102.022802

Abstract: The process of dissociative electron attachment (DEA) to molecules with several vibrational degrees of freedom is usually treated in the approximation of the local potential for the description of the nuclear motion. We develop the… read more here.

Keywords: electron attachment; theory; complex potential; nonlocal complex ... See more keywords
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Electron Attachment Studies with the Potential Radiosensitizer 2-Nitrofuran

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Published in 2020 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms21238906

Abstract: Nitrofurans belong to the class of drugs typically used as antibiotics or antimicrobials. The defining structural component is a furan ring with a nitro group attached. In the present investigation, electron attachment to 2-nitrofuran (C4H3NO3),… read more here.

Keywords: potential radiosensitizer; electron attachment; attachment studies; studies potential ... See more keywords
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HF Formation through Dissociative Electron Attachment—A Combined Experimental and Theoretical Study on Pentafluorothiophenol and 2-Fluorothiophenol

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Published in 2022 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms23052430

Abstract: In chemoradiation therapy, dissociative electron attachment (DEA) may play an important role with respect to the efficiency of the radiosensitizers used. The rational tailoring of such radiosensitizers to be more susceptive to DEA may thus… read more here.

Keywords: dea; dissociative electron; orbital structure; electron attachment ... See more keywords
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Electron Attachment to 5-Fluorouracil: The Role of Hydrogen Fluoride in Dissociation Chemistry

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Published in 2022 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms23158325

Abstract: We investigate dissociative electron attachment to 5-fluorouracil (5-FU) employing a crossed electron-molecular beam experiment and quantum chemical calculations. Upon the formation of the 5-FU− anion, 12 different fragmentation products are observed, the most probable dissociation… read more here.

Keywords: electron attachment; chemistry; dissociation; attachment fluorouracil ... See more keywords