Artificial Magnetotaxis of Microbot: Magnetophoresis versus Self-Swimming
- Wei Ming Ng (4434838)
- Hui Xin Che (1739383)
- Chen Guo (502041)
- Chunzhao Liu (424744)
- Siew Chun Low (2030761)
- Derek Juinn Chieh Chan (2570632)
- Rohimah Mohamud (5465972)
- JitKang Lim (1735051)
DOIAbstract
An artificial magnetotactic microbot was created by integrating the microalgal cell with magnetic microbead for its potential application as biomotor in microscale environment. Here, we demonstrate the remote magnetotactic control of the microbot under a low gradient magnetic field (<100 T/m). We characterize the kinematic behavior of the microbots carrying magnetic microbeads of two different sizes, with diameter of 2 and 4.5 μm, in the absence and presence of magnetic field. In the absence of magnetic field, we observed the microbot showed a helical motion as a result of the misalignment between the thrust force and the symmetry axis after the attachment. The microbot bound with a larger magnetic microbead moved with higher translational ...
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