Logo: to the web site of Uppsala University

uu.sePublications from Uppsala University
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Radiation damage by extensive local water ionization from two-step electron-transfer-mediated decay of solvated ions
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy. DESY, FS BIG, Hamburg, Germany..
Univ Chem & Technol, Dept Phys Chem, Prague, Czech Republic..
Show others and affiliations
2023 (English)In: Nature Chemistry, ISSN 1755-4330, E-ISSN 1755-4349, Vol. 15, no 10, p. 1408-+Article in journal (Refereed) Published
Abstract [en]

Biomolecular radiation damage is largely mediated by radicals and low-energy electrons formed by water ionization rather than by direct ionization of biomolecules. It was speculated that such an extensive, localized water ionization can be caused by ultrafast processes following excitation by core-level ionization of hydrated metal ions. In this model, ions relax via a cascade of local Auger-Meitner and, importantly, non-local charge- and energy-transfer processes involving the water environment. Here, we experimentally and theoretically show that, for solvated paradigmatic intermediate-mass Al3+ ions, electronic relaxation involves two sequential solute-solvent electron transfer-mediated decay processes. The electron transfer-mediated decay steps correspond to sequential relaxation from Al5+ to Al3+ accompanied by formation of four ionized water molecules and two low-energy electrons. Such charge multiplication and the generated highly reactive species are expected to initiate cascades of radical reactions.

Place, publisher, year, edition, pages
Nature Publishing Group, 2023. Vol. 15, no 10, p. 1408-+
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-526069DOI: 10.1038/s41557-023-01302-1ISI: 001188164500001PubMedID: 37620544OAI: oai:DiVA.org:uu-526069DiVA, id: diva2:1849238
Available from: 2024-04-05 Created: 2024-04-05 Last updated: 2024-04-05Bibliographically approved

Open Access in DiVA

fulltext(2389 kB)34 downloads
File information
File name FULLTEXT01.pdfFile size 2389 kBChecksum SHA-512
f51341f370aab5808a3f6c78ac238bde4d4254c4d7b07f8371e2efd8a4df142b470b939f84bad75d3a6ed950ff7d43d9293b0447f48c43fafc6af1981d8497ff
Type fulltextMimetype application/pdf

Other links

Publisher's full textPubMed

Authority records

Caleman, CarlBjörneholm, Olle

Search in DiVA

By author/editor
Caleman, CarlBjörneholm, Olle
By organisation
Department of Physics and Astronomy
In the same journal
Nature Chemistry
Physical Chemistry

Search outside of DiVA

GoogleGoogle Scholar
Total: 34 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
pubmed
urn-nbn

Altmetric score

doi
pubmed
urn-nbn
Total: 198 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf