Potassium-uracil/thymine ring cleavage enhancement as studied in electron transfer experiments and theoretical calculations
Journal of Physical Chemistry A, ISSN: 1520-5215, Vol: 118, Issue: 33, Page: 6547-6552
2014
- 18Citations
- 120Usage
- 14Captures
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Metrics Details
- Citations18
- Citation Indexes18
- 18
- CrossRef16
- Usage120
- Downloads119
- Abstract Views1
- Captures14
- Readers14
- 14
Article Description
We report experimental and theoretical studies on ring cleavage enhancement in collisions of potassium atoms with uracil/thymine to further increase the understanding of the complex mechanisms yielding such fragmentation pathways. In these electron transfer processes time-of-flight (TOF) negative ion mass spectra were obtained in the collision energy range 13.5-23.0 eV. We note that CNO is the major ring breaking anion formed and its threshold formation is discussed within the collision energy range studied. Such a decomposition process is supported by the first theoretical calculations to clarify how DNA/RNA pyrimidine base fragmentation is enhanced in electron transfer processes yielding ion-pair formation. © 2014 American Chemical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84906497598&origin=inward; http://dx.doi.org/10.1021/jp503164a; http://www.ncbi.nlm.nih.gov/pubmed/24818533; https://pubs.acs.org/doi/10.1021/jp503164a; https://ro.uow.edu.au/eispapers/2378; https://ro.uow.edu.au/cgi/viewcontent.cgi?article=3387&context=eispapers; http://pubs.acs.org/doi/abs/10.1021/jp503164a
American Chemical Society (ACS)
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