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Home > News > Algae shells: example of how nanotechnology is trying to copy nature

December 10th, 2006

Algae shells: example of how nanotechnology is trying to copy nature

Abstract:
A large portion of nanoscience and nanomaterial engineering is about trying to copy what has evolved in Nature. Take diatoms; a major group of hard-shelled algae and one of the most common types of phytoplankton. A characteristic feature of diatom cells is that they are encased within a unique cell wall made of silica. Silicate materials are very important in nature and they are closely related to the evolution of living organisms. Diatom walls show a wide diversity in form, some quite beautiful and ornate, but usually consist of two symmetrical sides with a split between them, hence the group name. Diatomaceous earth consists of fossilized remains of diatoms and, as an environmentally friendly material, finds wide use especially in filter applications.

Source:
nanowerk.com

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