Nuclear Magnetic Resonance - Volume 48
Nuclear Magnetic Resonance - Volume 48
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核磁共振 - 第 48 卷
DOI：
10.1039/9781839167690-00229
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发表时间：
2022
期刊：
影响因子：
--
通讯作者：
Wallace M
中科院分区：
文献类型：
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作者：
Wallace M
在本章中，术语“软物质”包括凝胶、聚合物溶液、液晶、胶束体系和纳米颗粒悬浮液。它们在样品中都具有广泛的分子迁移率，可能需要一系列NMR技术来对其进行全面表征。补充分析技术，如流变仪，X射线衍射和凝胶渗透色谱法可以用来支持和验证从NMR得出的结论。文中突出了一些例子，但全面的审查超出了本章的范围。在许多情况下，既不需要也不执行软物质系统的全面分析，并且NMR被用来回答特定的研究问题。由于这个原因，本章是根据核磁共振技术本身，而不是软物质的具体类别来安排的。希望本章为任何考虑使用NMR来询问其软物质系统的人提供有用的资源。溶液和固体核磁共振技术分别在第2节和第3节讨论。自旋1的观测
For the purposes of this chapter, the term ‘‘soft matter’’is taken to include gels, polymer solutions, liquid crystals, micellar systems and nanoparticulate suspensions. All possess a wide range of molecular mobilities within a sample and can require a range of NMR techniques for their full characterisation. Complementary analytical techniques such as rheometry, X-ray diffraction and gel permeation chromatography can be used to support and validate the conclusions drawn from the NMR. Examples are highlighted in the text, although a comprehensive review is beyond the scope of this chapter. In many cases, a comprehensive analysis of a soft-matter system is neither desired nor performed and NMR is employed to answer a specific research question. For this reason, the chapter is arranged in terms of the NMR techniques themselves, rather than the specific classes of soft matter. It is hoped that this chapter provides a useful resource for anyone contemplating the use of NMR to interrogate their soft matter systems. Solution-and solid-state NMR techniques are discussed in Sections 2 and 3 respectively. The observation of spin-1