Abstract

In cell biology, magnetic micro/nanorobots have been employed to investigate cell mechanics including force generation, mechanical properties, rheological properties, and responses under mechanical cues by measuring cellular and intracellular structures. Actuated by an external magnetic field, magnetic micro/nanorobots can exert controlled forces/torques on cell membranes, nucleus, cytoplasm, cytoskeleton, motor proteins, and DNA for quantification. In this chapter, the state of the art of cell mechanics measurement is introduced, followed by the principles of magnetic actuation and magnetic systems. The applications of magnetic micro/nanorobots in cell mechanics measurement is reviewed and concluded with current limitations and future opportunities.

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