Physicists discover mechanisms of wrinkle and crumple formation

Smooth wrinkles and sharply crumpled regions are familiar motifs in biological and synthetic sheets, such as plant leaves and crushed foils, say physicists Benny Davidovitch, Narayanan Menon and colleagues at the University ...

Plasma in bags

Using plasmas, sealed plastic bags can be modified at atmospheric pressure so that human cells can adhere to and reproduce on their walls. Cell culture bags of this kind are an important aid for research and clinical purposes ...

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