Mircobots Shift Shape Automatically to Travel the Body

Jan-22-19 Tiny microbots able to automatically shift shape to travel through the body could improve targeted therapies and drug delivery.

Developed by teams at EPFL and ETH Zurich, the origami-like microbots are made up of layers of a biocompatible hydrogel embedded with magnetic nanoparticles. While the bots can be directed via an external electromagnetic field, they can also automatically shift shape when triggered by a specific environmental agent—such as changing from a flat tail for paddling to a helix shape in the presence of a high concentration of sucrose.

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[MEDGADGET.COM]
[ACTU.EFPL.CH]

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