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  • RESEARCH HIGHLIGHT

An artificial skin oozes ‘sweat’ through tiny pores

A coating made of liquid crystals perspires a drug-laced liquid.
A digital holographic microscope image showing a blue plane dotted with striped cones.

Radio waves trigger a porous surface (blue) to ‘sweat’ liquid droplets (multicoloured peaks). The tallest droplets (red-tipped) are 800–1,000 nanometres high. Credit: Danqing Liu

A synthetic coating can ‘sweat’ droplets of fluid containing ibuprofen or other compounds when stimulated by radio waves.

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Nature 582, 463 (2020)

doi: https://doi.org/10.1038/d41586-020-01832-5

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