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Turing Patterns in 3-D
« on: 2011-03-12 13:09:19 » |
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Alan Turing’s Patterns in Nature, and Beyond
By Brandon Keim February 22, 2011 | 7:00 am | Categories: Biology
Image: Science
Excerpt:
Turing Patterns in 3-D
That markings on animals are produced by Turing systems of pigments is now generally accepted, but the origin of what appear to be Turing patterns in more complex settings — such as limb and tooth and lung development — is still debated.
A basic step towards proving the existence of these three-dimensional Turing patterns is demonstrating a three-dimensional pattern in the lab. In a paper published Feb. 11 in Science, researchers led by Brandeis University chemist Irving Epstein do precisely this.
The researchers set off a chemical reaction that creates Turing patterns in laboratory flasks, then used tomography — a form of imaging used to reconstruct three-dimensional images from thousands of two-dimensional snapshots — to picture them.
"It's an intellectual coup," said Epstein.
Wired Article: http://www.wired.com/wiredscience/2011/02/turing-patterns/?pid=978&viewall=true
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