Nanoscale surface coatings and topographies for neural interfaces

Area of Science:

• Biomaterials Science
• Neuroscience
• Nanotechnology

Background:

• Limited minimally invasive tools hinder understanding of neuronal systems across spatiotemporal scales.
• Effective prevention and treatment of neurological disorders require advanced assessment methods.
• Nanoengineered neural interfaces present a technological solution to current limitations.

Purpose of the Study:

• To review recent surface engineering approaches for neural interfaces.
• To focus on nanoscale surface coatings and multiscale topographies for neural-interfaced biosystems.
• To highlight advancements in bioactive materials and their applications.

Main Methods:

• Review of surface engineering techniques including nanoscale coatings and micro/nanoscale topographies.
• Analysis of bioactive molecule immobilization for neural cell lineage.
• Examination of topographical engineering for mechanotransduction and 3D structured surfaces for cell-chip coupling.

Main Results:

• Summary of versatile nanoscale surface coatings and topographies for neural interfaces.
• Highlighting immobilization of bioactive molecules to enhance neural cell growth.
• Demonstrating improved cell-chip coupling via 3D structured surfaces.

Conclusions:

• Advances in neural interface design are critical for understanding the nervous system.
• Nanoengineered interfaces with nanoscale modifications and multiscale topography offer significant potential.
• These advancements pave the way for effective treatments of neurological disorders.