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NYU researchers outline method for DNA computation in new book
Date:5/16/2011

thod to store DNA instructions inside a chemical solution in a way that allows the computation process to run according to a global clock consisting of special strands of DNA called "tick" and "tock." Each time a "tick" and "tock" enter a DNA tube an instruction strand is released from an instruction stack. This is similar to the way a clock cycle in an electronic computer causes a new instruction to enter a processing unit. As long as there remain strands on the stack, the next cycle will release a new instruction strand. Regardless of the actual strand or component to be released at any particular clock step, the "tick" and "tock" strands remain the samein effect, serving as an automated input device and doing away with manual data entry.

Aidan Daly, a Harvard undergraduate on a summer internship at NYU, worked with Shasha and Chang to test their construction process in the laboratory of NYU Chemistry Professor Nadrian Seeman, who founded and developed the field of DNA nanotechnology. Seeman's creationsranging from three-dimensional DNA structures to a DNA assembly lineallow him to arrange pieces and form specific molecules on a nanoscale with some precision, similar to the way a robotic automobile factory can be told what kind of car to make.


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Contact: James Devitt
james.devitt@nyu.edu
212-998-6808
New York University
Source:Eurekalert

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