Tuesday, October 20, 2009

Updates


According to sciencedaily.com22, Tom Ran & Shai Kaplan, research students in the lab of professor Ehud Shapiro of Weizmann institute’s biological, have found a way to make these computing device user friendly, even while programming complex computations & answering complicated queries.
Another article on medicalnewstoday.com23, Researchers at university of Wisconsin-madison, has identified some of the pathways through which single molecule strands of DNA interact and combine to form double helix15. Ultimately, the research could help biologists understand why some hybridization reactions are faster or more robust than other.
IBM scientists and a collaborator form California institute of technology have created computer chip utilizing synthesised DNA molecules24. The approach could help in finding the way to create tiny circuits that could form basis of the smaller, more powerful computer chips.
At the University of Wisconsin23, Researchers created a crude molecular computer “chip” made of small glass plate covered with athin layer of gold. Strands of DNA were cooled to represent solutions to a computational problem wit 16 possible answers. The enzymes were applied to the gold slide to stripe out all the DNA with the incorrect answers and thus, solving the calculation.
According a news article on BBC news website17, Israeli scientists have developed a tiny computer made up of DNA that can answers simple yes or no questions. Strands of DNA are designed to give off the green light corresponding to ‘yes’.

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