High-resolution 1 H magnetic resonance spectroscopy of whole fish, fish eggs and fish muscles via intermolecular multiple-quantum coherence
Honghao Cai 1 , Yushan Chen 1 , Xiaohong Cui 1 , Shuhui Cai 1 , and Zhong Chen 1
Department of Electronic Science, Xiamen
University, Xiamen, Fujian, China
Extraction and high-resolution magic angle spinning (HR
MAS) are widely applied for HR NMR spectra of tissues.
However, both of the methods are subject to limitations.
In this study, the feasibility of
ex vivo and in vivo NMR spectroscopy based on
Hadamard-encoded intermolecular multiple-quantum
coherence (iMQC) technique is explored using fish
muscle, fish eggs and a whole fish as examples.
Experimental results indicate that HR in vivo NMR
spectra of these samples can be obtained by the iMQC
technique. Hadamard encoding improves acquisition
efficiency. Compared to MAS, it is non-invasive and
suitable for in vivo and in situ applications.
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