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J Magn Reson. 2001 Jun;150(2):207-13.

One micrometer resolution NMR microscopy.

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Department of Physics, Korea Advanced Institute of Science and Technology, Taejon 305-701, Korea.


We obtained a magnetic resonance image of 1 microm resolution and 75 microm(3) voxel volume for a phantom filled with hydrocarbon oil within an hour at 14.1 T. For this work, a specially designed probe with a high sensitivity RF coil and gradient coils generating over 1000 G/cm was built. The optimal pulse sequence was analyzed in consideration of the bandwidth, diffusion coefficients, and T(1) and T(2) relaxations of the medium. The system was applied to the in vivo imaging of a geranium leaf stem to get the images of 2 microm resolution and 200 microm(3) voxel volume.

[Indexed for MEDLINE]

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