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          Institute: MPI für bioanorganische Chemie     Collection: MPI für bioanorganische Chemie     Display Documents



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ID: 708896.0, MPI für bioanorganische Chemie / MPI für bioanorganische Chemie
RIDME Spectroscopy with Gd(III) Centers.
Authors:Razzaghi, Sahand; Qi, Mian; Nalepa, Anna Irena; Godt, Adelheid; Jeschke, Gunnar; Savitsky, Anton; Yulikov, Maxim
Language:English
Date of Publication (YYYY-MM-DD):2014
Title of Journal:Journal of Physical Chemistry Letters
Journal Abbrev.:J.Phys.Chem.Lett.
Volume:5
Issue / Number:22
Start Page:3970
End Page:3975
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The relaxation induced dipolar modulation enhancement (RIDME) technique is applied at W-band microwave frequencies around 94 GHz to a pair of Gd(III) complexes that are connected by a rodlike spacer, and the extraction of the interspin distance distribution is discussed. A dipolar pattern derived from RIDME experimental data is a superposition of Pake-like dipolar patterns corresponding to the fundamental dipolar interaction and higher harmonics thereof. Intriguingly, the relative weights of the stretched patterns do not depend significantly on mixing time. As much larger modulation depths can be achieved than in double electron electron resonance distance measurements at the same frequency, Gd(III)-Gd(III) RIDME may become attractive for structural characterization of biomacromolecules and biomolecular complexes.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für bioanorganische Chemie
External Affiliations:[Razzaghi,S.; Jeschke,G.; Yulikov,M.;] Swiss Fed.Inst.Technol., Dept.Chem.& Appl.Biosci., Phys. Chem.Lab., CH-8093 Zürich, Switzerland.
[Qi,M.; Godt,A.;] Univ.Bielefeld, Fac.Chem., D-33615 Bielefeld, Germany.
Identifiers:ISI:000345542900005 [ID No:1]
ISSN:1948-7185 [ID No:2]
DOI:10.1021/jz502129t [ID No:3]
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