Multi-functionalized micro-helical capsule robots with superior loading and releasing capabilities

Abstract

nanoparticles decorated on the surface. The functionalized microrobot not only enables wireless steering with rotational locomotion under the control of a six degrees of freedoms (6-DOFs) electromagnetic system at different frequencies, but it also possesses stimuli-responsive abilities owing to the semi-permeable membrane, which can trigger the controllable release of encapsulants in response to ions in the environment. This work provides an efficient strategy for the superior multi-functionalization of microrobots to achieve enhanced locomotion and encapsulation performance for the loading, transport, and targeted delivery of cargo.