microscopy provides a variety of image contrast with a high spatial resolution.
However, 3D NMR multi-parameter mapping with large matrix sizes is time
consuming and practically difficult to apply to living samples. Here we
introduced magnetic resonance fingerprinting (MRF) technique to 3D NMR multi-parameter
microscopy, which could reduce the scan time largely. We verified the feasibility
of the relaxation and proton density mapping using a vertical wide bore
superconducting magnet. The 3D MRF for a grape berry provided the T1, T2, and
proton density maps in the short measurement time that can be used to extract
important structural information.