| 초록 |
Globally, gastric cancer is the fifth leading cause of cancer and first in Korea. In this study, we demonstrate the magnetic rolling motion of helical soft robots for gastric cancer treatment. Here, the magnetic robot is composed of the polydimethylsiloxane (PDMS) - iron particle composite and the 3D helical architecture is designed to minimize dynamic friction and to overcome wrinkled substrates on a gastric cancer model. In order to optimize the geometric factors, navigation performance of each soft robot is compared while helix angle, length, and diameter are varied. The topography of the wrinkle is carefully analyzed through 3D scanning. We will discuss optimal structure of the soft robot to cross wrinkles. This will serve as a good foundation for future research on the drug delivery system by magnetic soft robots. |
