Bio-Inspired Electric Cilia Development for Biomedical Applications: Use of Ionic Electro Active Polymer, Nanowire Arrays, and Micro-Stereo-Lithography

摘要

This presentation demonstrates the fabrication of bio-inspired electric cilia structures using bottom-up hetero-nanowires and ionic electro active polymer on flexible polyimide substrates. In order to obtain sensing function of fluid velocity in meso-scale vessels and minimally disturb original flow condition, parallel arrays of "electronic cilium" with the size of few micrometers in length and few hundreds nanometers in diameter are vertically fabricated on a thin flexible film. For active layers, ionic electro active polymer has been applied on hetero-structured nanowires, which provide low Young's modulus and sensitive to bending moment by lateral force in fluid. In addition, a three-dimensional microfiuidic channel fabrication method using micro-stereo-lithography (MSL) is introduced in this presentation, which is an efficient method to simulate fluid conditions in blood vessels.