A British team reports a double inversion of a nanoparticle-containing emulsion: By the successive addition of a surfactant, they were able to convert an oil-in-water emulsion into a water-in-oil ...

This release is also available in German. Oil and water are not miscible. However, it is possible to combine both into an emulsion in which they act as a unit—for example, in creams, body lotion, milk ...