Coaxial electrospun MRI phantom

Mimics iron deposition

Hollow, axon-mimicking fibres embedding Fe₃O₄ nanoparticles in PCL via coaxial electrospinning, with tunable magnetic/mechanical properties, enabling simultaneous DTI and T₂/T₂* imaging to recapitulate MRI signatures of neurodegeneration.

Qi, Li · Xu, Longji · Wei, Zong · Yang, Daxiang · Gao, Fei · Zhou, Feng-Lei

Materials Today Advances 2026

Advantages

Tunable magnetic and mechanical properties

Simulates iron deposition in neural tissue

Simultaneous DTI and T₂/T₂* imaging

Standardized validation under clinical MRI protocols