Novel magnetic spray transforms objects into millirobots for biomedical applications

Researchers in a joint research project led by a scientist from City University of Hong Kong (CityU) have developed an easy way to make millirobots, by coating objects with a glue-like, magnetic spray. Driven by the magnetic field, the coated objects can crawl, walk or roll on surfaces. As the magnetic coating is biocompatible and can be disintegrated into powders when needed, this technology demonstrates the potential for biomedical applications, including catheter navigation and drug delivery.

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