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Regensburg 2010 – scientific programme

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SYMR: Symposium Nuclear Magnetic Resonance: from Applications in Condensed-Matter Physics to New Frontiers

SYMR 4: SYMR Nuclear Magnetic Resonance: From Applications in Condensed Matter Physics to New Frontiers

SYMR 4.3: Invited Talk

Tuesday, March 23, 2010, 10:30–11:00, H1

Interplay of Structure and Dynamics in Macromolecular and Supramolecular Systems as Revealed by NMR Spectroscopy — •Hans Wolfgang Spiess — Max-Planck-Institute for Polymer Research, Mainz, Germany

Traditionally, the determination of structure and the elucidation of dynamics of matter are considered separately. With the advancement of characterization techniques, however, this separation becomes more and more artificial. For instance, advanced solid state NMR spectroscopy provides information on the geometry and the time scale of molecular motions independently. This site selective and specific information is highly valuable, as in soft matter function of complex synthetic as well as natural systems is often achieved by separating regions of order and disorder. Incompatibility of building blocks, e.g., backbone and side groups in macromolecules, or non-covalent interactions, such as hydrogen bonds, ionic forces or pi-pi interactions lead to self organization, in which the different units are spatially separated and may display different dynamics. Solid state NMR techniques combining fast magic angle spinning (MAS) and double quantum (DQ) NMR spectroscopy provide site-specific information about these aspects and their relation to processing and function of the materials, e.g., proton- and photoconductivity.

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