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Ferroelectric Bioelectronics Pave the Way for Advanced Neural Interfaces

Ferroelectric Bioelectronics Pave the Way for Advanced Neural Interfaces

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A novel ferroelectric bioelectronic platform mimics natural neural properties, enabling seamless, adaptive communication with the nervous system for advanced neural interfaces and therapies.

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Innovations in bioelectronics are transforming neuroscience and neurological therapy, with recent breakthroughs highlighting the potential of ferroelectric bioelectronics (FerroE) to establish seamless and adaptive communication with neural circuits. Traditional implantable bioelectronic devices often face challenges in integrating biologically with nerve tissues, limiting their long-term performance and reliability. To address this, a research team led by Dr. Du Xuemin from the Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, developed a novel neuron-inspired material platform that mimics natural neural properties.

This pioneering bioelectronic system consists of three key components: first, biocompatible polydopamine-modified barium titanate nanoparticles that facilitate efficient photo-to-thermal conversion and bolster ferroelectricity; second, a ferroelectric polyvinylidene fluoride-co-trifluoroethylene copolymer capable of generating real-time electric signals through reversible polarization; and third, micro-patterned cellular-scale micropyramid structures that enhance neuron adhesion and neurite extension. Collectively, these elements confer neuron-like flexibility, surface topography, and functional behavior, enabling stable and efficient neural interfacing.

Remarkably, FerroE demonstrates high stability under light stimulation, persistent electric signal generation, and compatibility with neural tissues. In vivo studies in mice showed that FerroE could interface with both peripheral nerves like the vagus nerve and central neural regions like the motor cortex, enabling wireless, non-contact regulation of physiological processes such as heart rate and movement without genetic modification or invasive contact. The interface maintained optimal performance for up to three months post-implantation, showcasing its promising potential for long-term neural applications.

This breakthrough paves the way for advanced neural interface technologies, including next-generation brain-machine interfaces, tissue engineering, and innovative biomedical devices. The ability of FerroE to adaptively communicate with neural networks marks a significant step toward more effective and biocompatible neuroelectronic systems.

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