Manipulation of micro-and nano-objects has been widely studied in the past two decades
due to its potential applications in various fields. In this review, we focus primarily on …

Rotating spheres in cylindrical channels roll or slide along the channel depending on the
physical and geometric conditions. For a thorough investigation of the phenomenon, finite …

Artificial microswimmers have gained significant attention recently for use in biomedical
applications, such as drug delivery, and microfluidic applications, such as mixing. The small …

This paper focuses on the control of rotating helical microrobots inside microchannels. We
first use a 50 μm long and 5 μm in diameter helical robot to prove that the proximity of the …

Artificial microswimmers have a huge potential in various microfluidic and medical
applications. Most of the swimming scenarios involve some kind of confinement such as …

Helical swimming is adopted by microswimming robots since it is an efficient mechanism
and commonly observed among microorganisms swimming at low Reynolds numbers …

Micro/millimeter-scale magnetic robots have many potential biomedical applications.
However, there are major challenges in using these devices for in vivo tasks due to …

In this paper, we introduce novel miniature swimmers with multiple rigid tails based on
spherical helices. The tail distribution of these prototypes enhances its swimming features as …

Pipe-like confinements are ubiquitously encountered by microswimmers. Here we
systematically study the ratio of the speeds of a force-and torque-free microswimmer …

Understanding trajectories of natural and artificial helical swimmers under confinement is
important in biology and for controlled swimming in potential medical applications …