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Magnetic Spray Transforms Objects Into Insect-Scale Robots for Biomedical Applications

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The reptile millirobot changes from caterpillar motion to concertina motion after reprogramming.

A research team at City University of Hong Kong developed an easy way to make millirobots, by coating objects with a glue-like magnetic spray.

Credit: City University of Hong Kong

An easy way to make millirobots by coating objects with a glue-like magnetic spray was developed in a joint research led by a scientist from City University of Hong Kong (CityU). Driven by the magnetic field, the coated objects can crawl, walk, or roll on different 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.

The research team is led by Dr. Shen Yajing, Associate Professor of the Department of Biomedical Engineering (BME) at CityU in collaboration with the Shenzhen Institutes of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS). The research findings have been published in the scientific journal Science Robotics, titled "An agglutinate magnetic spray transforms inanimate objects into millirobots for biomedical applications."


From SciTechDaily
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