ArticleJournal of the mechanical behavior of biomedical materials2021
Axially- and torsionally-polarized radially converging shear wave MRE in an anisotropic phantom made via Embedded Direct Ink Writing.
Article in Journal of the mechanical behavior of biomedical materials, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 10 citations in OpenAlex.
- Mechanically anisotropic phantoms for magnetic resonance elastography.Magnetic resonance in medicine · 2025Article
- 1-Norm waveform analysis for MR elastography-based quantification of inhomogeneity: Effects of the freeze-thaw cycle and Alzheimer's disease.Journal of the mechanical behavior of biomedical materials · 2024Article
- Post-mortem changes of anisotropic mechanical properties in the porcine brain assessed by MR elastography.Brain multiphysics · 2024Article
- Mechanical stiffness and anisotropy measured by MRE during brain development in the minipig.NeuroImage · 2023Article
- Design and characterization of 3-D printed hydrogel lattices with anisotropic mechanical properties.Journal of the mechanical behavior of biomedical materials · 2023Article
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Authors and funding
9 authors at 2 institutions in 2 countries.
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Abstract
Magnetic Resonance Elastography (MRE) is a non-invasive imaging method to quantitatively map the shear viscoelastic properties of soft tissues. In this study, Embedded Direct Ink Writing is used to fabricate a muscle mimicking anisotropic phantom that may serve as a standard for imaging studies of anisotropic materials. The technique allowed us to obtain a long shelf life silicone-based phantom expressing transverse isotropic mechanical properties. Another goal of the present investigation is to introduce a torsionally-polarized, radially-converging shear wave actuation method for MRE. The implemented design for this novel setup was first validated via its application to isotropic and homogeneous gelatin phantoms. Then, a comparison of the resulting complex wave images from axially- and torsionally-polarized MRE on the developed anisotropic phantom and on a skeletal muscle murine sample is presented, highlighting the value of using multiple actuation and motion encoding polarization directions when studying anisotropic materials.
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