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High-Performance Organic Bioelectronic Actuators with Tunable Dynamics Operate in Liquid and Gel Electrolytes

Speaker
Mohammadjavad Eslamian
Date
Location
University of Houston
Abstract
Organic actuators that transform electrical energy to mechanical energy through an
electrochemical process have numerous applications ranging from soft robotics to
biomedical devices. Development of high performance actuators operating in biological
environments is of major importance in the growing field of bioelectronics and biorobotics,
in particular artificial muscles and cell manipulators. Bioactuators should ideally be soft,
biocompatible, minimally invasive, highly durable during numerous actuation cycles, and
capable of generating precise and reversible motion with tunable dynamics. However, soft
actuators have their own limitations such as low load-bearing capacity and limited number
of actuations that they can withstand. This work presents a highly durable and flexible
bioactuator based on conducting polymer nanofibers that is dynamically adjustable, rapidly
responsive, and capable of efficiently operating in hydrogel and aqueous electrolytes over a
great number of actuations.