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About

Haifeng Xu is a pioneering researcher at the intersection of microrobotics, biomedical engineering, and soft materials, whose work is redefining the capabilities of small-scale robotic systems for medical applications. His major contributions center on the development of biologically inspired and magnetically actuated micro- and millirobots, with a focus on targeted drug delivery and minimally invasive surgery. Xu’s highly cited 2017 work on “spermatozoa as functional components of robotic microswimmers” (163 citations) introduced the concept of “spermbots,” merging natural sperm cells with synthetic microstructures to create hybrid swimmers for biomedical and nanotechnological use. More recently, he has advanced soft robotic catheters with in-situ biomechanical force sensing (26 citations) and designed a morphology-reconfigurable soft millirobot capable of switching motion modes on the fly for targeted drug delivery in the oviduct (25 citations). These innovations demonstrate his ability to solve complex in vivo challenges, such as navigating confined, dynamic environments while maintaining precise control. Xu’s work is characterized by its translational potential, pushing the boundaries of how tiny, intelligent robots can interact with the human body for therapeutic purposes.