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High‐resolution localized spatiotemporal encoding correlated spectra under inhomogeneous magnetic fields via asymmetrical gradient encoding/decoding
Author(s) -
Wei Zhiliang,
Lin Liangjie,
Wang Chuchu,
Yang Jian,
Liu Guangcao,
Zhong Jianhui,
Lin Yanqin,
Chen Zhong
Publication year - 2015
Publication title -
nmr in biomedicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.278
H-Index - 114
eISSN - 1099-1492
pISSN - 0952-3480
DOI - 10.1002/nbm.3241
Subject(s) - encoding (memory) , decoding methods , resolution (logic) , magnetic field , imaging phantom , nuclear magnetic resonance , physics , spectral line , spectroscopy , computational physics , biological system , algorithm , materials science , computer science , optics , biology , artificial intelligence , quantum mechanics , astronomy
Applications of conventional localized nuclear magnetic resonance correlated spectroscopy are restrained by long acquisition times and poor performance under inhomogeneous magnetic fields. Here, a method that combines the spatiotemporal encoding technique with the localization technique and implements the encoding and decoding in unison with suitable asymmetrical gradients is proposed to obtain high‐resolution localized correlated spectra under inhomogeneous fields in greatly reduced times. Experiments on phantom solutions prove its insensitivity to linear field inhomogeneities along three orthogonal axes. Moreover, this method is applied to adipose study of marrow tissue with resolution improvements. The proposed method may offer promising perspectives for fast analyses of biological tissues. Copyright © 2014 John Wiley & Sons, Ltd.

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