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World's smallest tic-tac-toe game with DNA


Still Waters

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It was just about a year ago that Caltech scientists in the laboratory of Lulu Qian, assistant professor of bioengineering, announced they had used a technique known as DNA origami to create tiles that could be designed to self-assemble into larger nanostructures that carry predesigned patterns. They chose to make the world's smallest version of the iconic Mona Lisa.

The feat was impressive, but the technique had a limitation similar to that of Leonardo da Vinci's oil paints: Once the image was created, it could not easily be changed.

Now, the Caltech team has made another leap forward with the technology. They have created new tiles that are more dynamic, allowing the researchers to reshape already-built DNA structures.

https://phys.org/news/2018-12-world-smallest-tic-tac-toe-game-board.html?

Related:

https://phys.org/news/2017-12-scientists-world-smallest-mona-lisa.html

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