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Summary
Efficient ocular surgery must be precise, safe and cost effective. Minimally invasive microrobots for ophthalmic applications have been introduced for high precision motion with force feedback. Research demonstrates the potential of wireless magnetic microrobots for targeted drug delivery to the retina and operations in the posterior eye segment without the need for a vitrectomy.
Ni nanowires (NWs) are driven in water using a rotating magnetic field. The NWs show various locomotion performances under different boundary conditions. Pure rotation occurs when the two ends of the NWs are homogenously constrained. However, if the boundary conditions are different at the two ends of the NWs, tumbling motion, i.e., rotation plus translation, will be generated, which leads to the...
Dielectrophoretic assembly of individual carbon nanotube (CNT) based NEMS is experimentally realized with nanoelectrodes fabricated using electron-beam lithography. The successful manipulation and assembly of single carbon nanotubes using dielectrophoretic forces produced by nanoelectrodes lead to a higher integration of CNTs into both nanoelectronics and NEMS
The contact phase of an assembly task involving micro and nano-sized building blocks is complicated by the presence of surface and intermolecular forces such as electrostatic, surface-tension and Van der Waals forces. Assembly strategies must account for the presence of these forces in order to guarantee successful repeatable micro and nanoassembly with high precision. In this paper, a detailed model...
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