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Ultrafast Proton Dynamics in Aqueous Amino Acid Solutions Studied by Resonant Inelastic Soft X-ray Scattering
Stockholm University, Faculty of Science, Department of Physics.
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2012 (English)In: Journal of Physical Chemistry B, ISSN 1520-6106, E-ISSN 1520-5207, Vol. 116, no 46, 13757-13764 p.Article in journal (Refereed) Published
Abstract [en]

Resonant inelastic soft X-ray scattering (RIXS) has been used to study the electronic structure of glycine and lysine in aqueous solution. Upon variation of the pH value of the solution from acidic to basic, major changes of the nitrogen K edge RIXS data are observed for both amino acids, which are associated with the protonation and deprotonation of the amino groups. The experimental results are compared with simulations based on density functional theory, yielding a detailed understanding of the spectral changes, as well as insights into the ultrafast proton dynamics in the intermediate core-excited/ionized state of the RIXS process.

Place, publisher, year, edition, pages
2012. Vol. 116, no 46, 13757-13764 p.
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-85004DOI: 10.1021/jp302958jISI: 000311461000020OAI: diva2:582345


Available from: 2013-01-04 Created: 2013-01-04 Last updated: 2013-01-24Bibliographically approved

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