Flexible magnetic microchains.
Research of Kunqiang Jiang and Chanda Arya (2010)
This movie shows the beating or wavy motion of flexible magnetic microchains when a magnet is swayed outside the container. The chains are formed by connecting a series of soft microcapsules bearing magnetic nanoparticles (MNPs). The entire fabrication of the chains was done on a microfluidic chip, as described in our paper in Small (2011). In addition to these flexible chains, rigid chains akin to bar magnets could also be made.
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