Document Detail


Ultra-Fast Proton Dynamics in Aqueous Amino Acid Solutions Studied by Resonant Inelastic Soft X-Ray Scattering.
MedLine Citation:
PMID:  23106147     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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 ultra-fast proton dynamics in the intermediate core-excited state of the RIXS process.
Authors:
Monika Blum; Michael Odelius; Lothar Weinhardt; Sujitra Pookpanratana; Marcus Baer; Yufeng Zhang; Oliver Fuchs; Wanli Yang; Eberhard Umbach; Clemens Heske
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-29
Journal Detail:
Title:  The journal of physical chemistry. B     Volume:  -     ISSN:  1520-5207     ISO Abbreviation:  J Phys Chem B     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101157530     Medline TA:  J Phys Chem B     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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