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Bubble-powered soft acoustomagnetic microrobots
The newly designed microrobot consists of a cavity at the center of its body and superparamagnetic particles within the polymer matrix. The microcavity supports an air-bubble trap, which enables propulsion in an acoustic field, and the magnetic particles allow controlled motion in a magnetic fiel
Soft robotics capable of controlled motion at the microscale could open up exciting opportunities in the manipulation of particles, precise assembly of materials, targeted drug delivery, and non-invasive microsurgery. In this article, we describe a hybrid microrobot that uses a combination of acoustic and magnetic fields to demonstrate effective manoeuvrability. The soft microswimmer contains one or more microcavities at the center of its body and superparamagnetic particles within its polymer matrix. The microcavity supports an air bubble trap, which, when acoustically activated, produces a bubble oscillation that results in propulsion. The magnetic particles that are aligned in the form of chains ensure controlled motion in an external magnetic field. Utilizing both fields allows a swimmer to navigate at a large propulsive force with precise manoeuvrable capabilities.
Soft robotics capable of controlled motion at the microscale could open up exciting opportunities in the manipulation of particles, precise assembly of materials, targeted drug delivery, and non-invasive microsurgery. In this article, we describe a hybrid microrobot that uses a combination of acoustic and magnetic fields to demonstrate effective manoeuvrability. The soft microswimmer contains one or more microcavities at the center of its body and superparamagnetic particles within its polymer matrix. The microcavity supports an air bubble trap, which, when acoustically activated, produces a bubble oscillation that results in propulsion. The magnetic particles that are aligned in the form of chains ensure controlled motion in an external magnetic field. Utilizing both fields allows a swimmer to navigate at a large propulsive force with precise manoeuvrable capabilities.
- Colloborative work
- Selective particle trap and transport
- Colloborative work - Selective particle trap and transport
Dr. Daniel Ahmed
Email: dahmed@ethz.ch
Website: https://www.acousticrobotics.com/
Dr. Daniel Ahmed Email: dahmed@ethz.ch Website: https://www.acousticrobotics.com/