Published in Nature Biomedical Engineering, a collaborative team involving Northwestern University, University of Illinois Chicago, Tsinghua University, and City University of Hong Kong has developed a shape-morphing 3D porous framework that delivers nearly full-surface interfacing with human neural organoids - a transformative leap for high-resolution brain research. The self-assembled scaffold wraps 91% of a millimeter-scale organoid with 240 independently addressable microelectrodes, enabling 3D reconstruction of neural network dynamics at sub-100 µm resolution, far outperforming conventional 2D electrode arrays and all existing 3D interfaces.

At its core, this innovation combines inverse computational design of microlattice stiffness with mechanically guided buckling assembly, transforming flat 2D precursors into custom 3D curvatures that precisely match organoid geometry. A “grow-in-place” culture strategy lets organoids expand within the scaffold to form tight, low-impedance contacts, while the porous structure maintains unobstructed nutrient and waste diffusion to support long-term viability. The system also enables simultaneous fluorescence imaging, localized optogenetic control and patterned electrical stimulation.

This achievement unlocks whole-organoid mapping of signal propagation and functional connectivity, accelerating discoveries in neurodevelopment, neurodegenerative disease modelling and high-throughput drug screening. It reduces reliance on animal models and opens new pathways for patient-specific precision medicine and next-generation biological computing systems. Here is the full article published in Nature Biomedical Engineering.