Manipulation and navigation of micro and nanoswimmers in different fluid environments can
be achieved by chemicals, external fields, or even motile cells. Many researchers have …

During natural tissue regeneration, tissue microenvironment and stem cell niche including
cell–cell interaction, soluble factors, and extracellular matrix (ECM) provide a train of …

Advances in medical robots promise to improve modern medicine and the quality of life.
Miniaturization of these robotic platforms has led to numerous applications that leverages …

Magnetically actuated small-scale robots have great potential for numerous applications in
remote, confined, or enclosed environments. Multiple small-scale robots enable cooperation …

Less than 1% of Earth's freshwater reserves is accessible. Industrialization, population
growth and climate change are further exacerbating clean water shortage. Current water …

In vivo bioprinting has recently emerged as a direct fabrication technique to create artificial
tissues and medical devices on target sites within the body, enabling advanced clinical …

Untethered small-scale machines (USSMs) that can actively adjust their motion,
deformation, and collective states in response to external stimuli have gained enormous …

Wireless on-demand drug delivery systems exploit exogenous stimuli—acoustic waves,
electric fields, magnetic fields and electromagnetic radiation—to trigger drug carriers. The …

Untethered miniature robots enable targeted delivery and therapy deep inside the
gastrointestinal tract in a minimally invasive manner. By combining actuation systems and …

The research of functional magnetic materials has become a hot topic in the past few years
due to their fast, long‐range, and precise response in diverse environments. Functional …