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Abstract #2903

High-resolution measurements on heterogeneous samples by spatially-selective pure shift NMR spectroscopy

Yuqing Huang1, Haolin Zhan1, and Zhong Chen1
1Department of Electronic Science, Xiamen University, Xiamen, China

Measurements on heterogeneous samples, such as semisolid food and biological tissues, constitute a significant research topic in various fields. However, measurements on heterogeneous samples by conventional 1D 1H NMR generally suffer from two challenges, namely magnetic field inhomogeneity caused by anisotropic interactions and spectral congestion induced by crowded NMR resonances. In this report, we introduce a spatially-selective pure shift NMR approach for high-resolution measurements on heterogeneous samples based on the suppression on effects of magnetic field inhomogeneity and J couplings, thus useful for investigating heterogeneous sample systems with extensive chemical and biological applications.

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