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Abstract #4030

High resolution localized 2D JPRESS spectroscopy with absorption-mode lineshape

Lin Yanqin1, Dan Tian2, Bo Duan2, Qing Zeng2, and Zhong Chen2

1Department of Electronic Science, Xiamen University, Xiamen, China, 2Xiamen University, Xiamen, China

Localized two-dimensional J-resolved spectroscopy (JPRESS) has been employed in the study of a number of diseases. However, phase-twisted lineshape and broad dispersion tails of magnitude peaks limit its usefulness. Here, a method based on the combination of JPRESS and anti-JPRESS alike spectra is proposed to remove the dispersive parts of the phase-twisted and to give absorption-mode JPRESS spectroscopy. This can double the resolution of JPRESS spectra at the cost of greatly reduced sensitivity. The method was performed with a phantom on a 7T animal scanner.

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