Image of the Day: Mobile Nanotweezers

Magnetically-driven nanobots could be used to manipulate microscopic objects, including bacteria and fluorescent nanodiamonds.

Feb 1, 2018
The Scientist Staff

A light-activated, helix-shaped nanobot traps and carries microscopic objects.SOUVIK GHOSH AND AMBARISH GHOSH

Nanotechnology holds promise for an array of research and therapeutic applications, and researchers at the Indian Institute of Science have designed a new class of them that can work like microscopic tweezers. They applied silver nanoparticles to existing nanobots—artificial swimmers driven by electromagnetic fields—to enable them to collect cargo as small as 100 nanometers in size. They call their invention “nanotweezers.”
S. Ghosh, A. Ghosh, “Mobile nanotweezers for active colloidal manipulation,” Science Robotics,
doi:10.1126/scirobotics.aaq0076, 2018.