A Janus liquid marble is developed to impart multi-responsiveness to a single liquid marble, which can not only be transported on both solid substrates and the liquid water surface by magnetic force, but can also be ruptured upon exposure to either infrared radiation or acidic/basic vapors. This work opens up new possibilities in smart-droplet-based microfluidics and various liquid manipulations.
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Xu et al. (2014) studied this question.
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