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Molecular NOR logic gate

Warianty tytułu
Evolutionary Computation and Global Optimization 2008 / National Conference (11 ; 2-4.06.2008 ; Szymbark, Poland)
Języki publikacji
Molecular computing created for implementing logic systems, solving NP-difficult problems on nanoscale depends on DNA self-assembly abilities and on modifying DNA with the help of enzymes during genetic operations. In the typical DNA computing a sequence of operations executed on DNA molecules in parallel is called an algorithm, which is also determined by a model of DNA chains. This methodology is similar to the soft hardware specialized architecture driven here by heating, cooling and enzymes, especially polymerases used for copying strings. This work presents a unique approach to implementation of OR, NOR logic gates on molecules. It requires the representation of signals by DNA molecules. The presented method allows for constructing logic gates with many inputs and for executing them at the same quantity of elementary operations, regardless of a number of input signals. The NOR gate was implemented with the help of modified polymerase Taq, which stops its activity, when it meets a molecular obstacle on its way. The appropriate experiment was conducted to confirm the possibilities of the suggested implementation. Laboratory results were discussed.
Opis fizyczny
Bibliogr. 20 poz., rys.
  • Institute of Electronic Systems, Warsaw University of Technology, Nowowiejska 15/19, 00-665 Warsaw,
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