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April 18, 2026Scientific ReportsOpen Access

A phantom mimicking layered biological microenvironments investigated with 7T diffusion weighted MRI

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Authors

ŁŁŁukasz ŁabieniecKSK. SzymańskiMWMichał Wieteska

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Overview

Investigates diffusion properties in a phantom mimicking laminar microenvironments, suggesting improved modeling is essential for accurate analysis.

Key Points

  • The central aim is to characterize the diffusion properties of a phantom that mimics biological microstructures.
  • Developed a phantom using stacked polyethylene foils with controlled thicknesses.
  • Employed a Laplacian spectral approach for signal modeling based on geometric properties.
  • Acquired data on a 7 T MRI scanner to assess diffusion-weighted signals.
  • Data reveals systematic deviations due to local structural inhomogeneities.
  • Planar dimensions of water pockets range from 28 to 1500 μm, influenced by foil compression.
  • Good agreement found between measured data and the extended diffusion model.

Cite This Study

Łabieniec et al. (2026) studied this question.

synapsesocial.com/papers/69e3207940886becb653f831https://doi.org/10.1038/s41598-026-47120-6
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