Abstract
The purpose of this work is to develop a rapid MRI method amenable to profiling with minimal or no T1 relaxation weighting. The behavior of a signal during a centric SPRITE acquisition is analyzed. It is shown that the technique can be made immune to a broad range of T1 changes. In a properly executed measurement, only T2* and proton density parameters define the image intensity. A T2* mapping technique can be easily applied, separating T2* and proton density contributions to the image. A drying soil sample with low initial water content is experimentally studied as a demonstration of the technique. A characteristic baseline artifact is easily removed from the profiles by a simple operation.
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