Defense Date
2026
Document Type
Dissertation
Degree Name
Doctor of Philosophy
Department
Physics and Applied Physics
First Advisor
Daeha Joung
Abstract
This dissertation presents a unified framework for nanomaterial-assisted extrusion-based 3D printing of multifunctional biomedical sensors and actuators, addressing key challenges in material formulation, device integration, and physiological interfacing. First, a one-part, room-temperature curable carbon nanotube (CNT)–silicone ink is developed, enabling highly conductive, stretchable, and self-supporting structures with ~100 μm resolution for wearable sensing, Joule heating, and patient-specific biointerfaces. Second, a bioinspired artificial cilia platform is introduced, leveraging 3D-printed high-aspect-ratio conductive microstructures and an inter-cilium contact mechanism to achieve highly sensitive, customizable mechanosensing across applications such as airflow detection, tactile sensing, and assistive technologies. Third, these materials and architectures are integrated into a closed-loop wearable sensor–tactor system capable of real-time event-cue feedback, demonstrating synchronized sensing and actuation for applications including prosthetics and neurological intervention. Collectively, this work establishes additive manufacturing strategies for creating electrically and mechanically responsive systems that conform to dynamic biological environments, offering scalable pathways toward personalized healthcare devices and advanced human–machine interfaces.
Rights
© The Author
Is Part Of
VCU University Archives
Is Part Of
VCU Theses and Dissertations
Date of Submission
5-11-2026