Model System (IMAGE)

Helmholtz Association

Model System

Caption

The colloids that were used for the model: particles, each with a diameter of approximately 150 nanometers, suspended in water. The solid nucleus consists of the plastic polystyrene, the surrounding shell of a thermosensitive poly(N-isopropyl-acrylamide) network. By lowering the temperature, each individual particle's volume - and, by definition, its packing density - can be increased.

Credit

Photo: HZB/M. Siebenbürger

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