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

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 …

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

A magnetic field, which is transparent and relatively safe to biological tissue, is a powerful
tool for remote actuation and wireless control of magnetic devices. Furthermore, miniature …

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 …

Two-photon polymerization (TPP) is a cutting-edge micro/nanoscale three-dimensional (3D)
printing technology based on the principle of two-photon absorption. TPP surpasses the …