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Surface science

Separation by reconfiguration

Membranes have been made that are hygro-responsive — their wetting properties change when immersed in water. This striking property allows the membrane to separate emulsions into their oil and water constituents.

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Figure 1: Flow scheme for separating oil–water emulsions.

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Correspondence to Robert W. Field.

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Field, R. Separation by reconfiguration. Nature 489, 41–42 (2012). https://doi.org/10.1038/489041a

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