Swarms, which stem from collective behaviors among individual elements, are commonly
seen in nature. Since two decades ago, scientists have been attempting to understand the …

Untethered robots miniaturized to the length scale of millimeter and below attract growing
attention for the prospect of transforming many aspects of health care and bioengineering …

Hydrogel scaffolds are attractive for tissue defect repair and reorganization because of their
human tissue-like characteristics. However, most hydrogels offer limited cell growth and …

The ability of surface acoustic waves to trap and manipulate micrometer-scale particles and
biological cells has led to many applications involving “acoustic tweezers” in biology …

Hydrogels are hydrophilic polymer‐based materials with high water content and physical
characteristics that resemble the native extracellular matrix. Because of their remarkable …

This study offers a novel 3D bioprinting method based on hollow calcium alginate filaments
by using a coaxial nozzle, in which high strength cell-laden hydrogel 3D structures with built …

Inspired by the swimming of natural microorganisms, synthetic micro‐/nanomachines, which
convert energy into movement, are able to mimic the function of these amazing natural …

The small size and wireless actuation of microrobots make them potential candidates for
minimally invasive medicine. To advance microrobots to future clinical application …

The natural microenvironment of tumors is composed of extracellular matrix (ECM), blood
vasculature, and supporting stromal cells. The physical characteristics of ECM as well as the …

Over this decade, cell printing strategy has emerged as one of the promising approaches to
organize cells in two and three dimensional engineered tissues. High resolution and high …