17 May 2012

Mimosa inspires new adaptive structures

The Mimosa is among the plant varieties that exhibit specialized “nastic motions” – movements noticeable in real time with the naked eye. Its capability to fold its leaves when touched is inspiring a new class of adaptive structures designed to twist, bend, stiffen and even heal themselves. The flow of water in plant’s cells which enables the plant to fill or empty some of its cells with water. These microscopic shifts allow the plants to move and change shape on a larger scale.
Researchers at University of Michigan and Penn State University are replicating the mechanisms with artificial cells. Currently, their artificial cells are palm-size and larger, but they’re trying to minify them by using microstructures and nanofibers to construct them. They’re also exploring how to replicate the mechanisms by which plants heal themselves.

1 comment:

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