A bioprotein-based flexible and self-powered pressure sensor towards a biomimic of an artificial Pacinian corpuscle

Abstract

The demand for low-cost, flexible, biocompatible, biodegradable, and self-powered pressure sensors is increasing, particularly for applications in soft robotics, prosthetics, and implantable electronic applications. However, most of the pressure sensors lack in terms of biodegradability and biocompatibility resulting in increased electronic waste. Further, most of the state-of-the-art pressure sensor need an external power supply for its operation and are bulky further making it not suitable for the wearable and implantable electronic applications. To address these limitations, there is a need to develop a novel self-powered pressure sensor that utilizes bio-proteins i.e., Chitosan offering both flexibility, biodegradability, and high sensitivity. This sensor will enable accurate and efficient detection and response to varying levels of pressures, with high mechanical flexibility, and repeatability. The strategy outlined here introduce an innovative biomaterial, offering significant utility for various applications such as next-generation wearables, implantable devices, soft robotics, and biomedical.