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Turing structure

Turing structure

Turing structures are 3D structures based on 2D Turing patterns which were predicted by Alan Turing in 1952 in his paper 'The Chemical Basis of Morphogensis'. These structures arise when imbalances between diffusion rates make a stable steady-state system sensitive to heterogeneous perturbations.

In 2018, a team led by Lin Zhang in Zhejiang University in Hangzhou, China created the first made Turing structure using the material polyamid. A reaction takes place between trimesoyl chloride and piperazine whereby polyvinyl alcohol has been added to lower its diffusion rate and to activate an inhibitor in trimesoyl chloride. The resulting reaction produces a 3D Turing structure with dot and tube variants. These variants are predicted by Turing's model.

Applications

Turing structures have large surface area and may have applications in desalination machines. They also have potential applications in regenerative medicine including bone, organ and vein construction.

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A M Turing

The Chemical Basis of Morphogenesis

Academic paper

B. Hasslacher, R. Kapral, A. Lawniczak

Molecular Turing structures in the biochemistry of the cell

Academic paper

Hector Zenil

Turing Patterns with Turing Machines: Emergence and Low-level Structure Formation

Academic paper

Water filter inspired by Alan Turing passes first test

Polyamide membranes with nanoscale Turing structures for water purification

Academic paper

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