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Magnetic Resonance Spectroscopy (MRS) is a non-invasive technique in which biochemical information can be obtained in vivo. LCModel and QUEST are two quantization tools for magnetic resonance spectroscopy. In this paper, a comparison between LCModel and QUEST is presented. After a description of the methods, we compared their performance on quantification(More)
Previous study of brain &#x201C;potential of hydrogen&#x201D; (pH) was conducted in single-voxel <sup>31</sup>P magnetic resonance (MR) spectroscopy. In this study, we explored the feasibility of mapping brain pH by using multivoxel <sup>31</sup>P MR spectroscopy. Firstly, phantom studies were carried out with a GE 3T MR system using 2D PRESSCSI sequence.(More)
The purpose of this study was to explore the time course of cerebral lactate concentration in ischemic rat brain after sacrifice, in which area the morphology signal was still normal in the early phase. Ischemic rat model was used in this study. Eighty rats were fasted overnight before sacrifice and divided into 16 groups randomly. Lactate concentration was(More)