Chapter 3: Reverse Wormlike Micelles: A Special Focus on Nuclear Magnetic Resonance Investigations
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Published:17 Mar 2017
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Special Collection: 2017 ebook collectionSeries: Soft Matter Series
R. Angelico, S. Murgia, and G. Palazzo, in Wormlike Micelles: Advances in Systems, Characterisation and Applications, ed. C. A. Dreiss and Y. Feng, The Royal Society of Chemistry, 2017, ch. 3, pp. 31-62.
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Systems made of water, surfactant, and oil exhibit a rich variety of microstructures. Among these, the networks based on cylindrical geometries can be entangled or interconnected, depending on the formulation of the system, and represent a challenging topic. Lecithin reverse wormlike micelles (WLMs), because of the exceptionally slow dynamics of molecules and aggregates, are a system of choice for NMR studies. After a brief introduction of the pulsed field magnetic gradient (PFG)-NMR and Rheo-NMR techniques, the progress achieved in the past years in rationalizing the structure and dynamics of lecithin reverse WLMs is reviewed.