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New solid state-NMR techniques for investigating structure and dynamics in soft solids and biomaterials

X. FILIP1,* , C. TRIPON1, M. ALUAS2, C. FILIP1

Affiliation

  1. National Institute for R&D of Isotopic and Molecular Technologies, 400293 Cluj-Napoca, Romania
  2. Faculty of Physics, Babes-Bolyai University, 400084 Cluj-Napoca, Romania

Abstract

The potential of high-resolution solid-state NMR to address the problem of establishing quantitative relationships between macroscopic properties of soft solids and biomaterials and their structure and dynamics at the molecular level is investigated. An analysis of advanced proton recoupling pulse sequences to provide unique insights into the structure and dynamics of such materials at molecular level is given. In particular, the excitation of multiple-quantum coherences under rotational resonance conditions is analyzed with respect to quantifying the cross-peak intensities measured from the corresponding 2D 1H-1H correlation spectra in terms of the characteristic order parameter, which provides structural and dynamical information for the investigated materials..

Keywords

Structure and dynamics in soft solids, Residual dipolar couplings, Solid-state NMR.

Submitted at: Feb. 25, 2008
Accepted at: Aug. 28, 2008

Citation

X. FILIP, C. TRIPON, M. ALUAS, C. FILIP, New solid state-NMR techniques for investigating structure and dynamics in soft solids and biomaterials, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 9, pp. 2277-2281 (2008)