Effective medium theory of a diffusion-weighted signal.

  title={Effective medium theory of a diffusion-weighted signal.},
  author={Dmitry S. Novikov and Valerij G. Kiselev},
  journal={NMR in biomedicine},
  volume={23 7},
Living tissues and other heterogeneous media generally consist of structural units with different diffusion coefficients and NMR properties. These blocks, such as cells or clusters of cells, can be much smaller than the imaging voxel, and are often comparable with the diffusion length. We have developed a general approach to quantify the medium heterogeneity when it is much finer than the sample size or the imaging resolution. The approach is based on the treatment of the medium statistically… CONTINUE READING

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