International Conference on Information Processing in Cells and Tissues

IPCAT 2015: Information Processing in Cells and Tissues pp 13-28 | Cite as

Scalable Design of Logic Circuits Using an Active Molecular Spider System

Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9303)

Abstract

As spatial locality leads to advantages of computation speed-up and sequence reuse in molecular computing, molecular walkers that exhibit localized reactions are of interest for implementing logic computations. We use molecular spiders, which are a type of molecular walkers, to implement logic circuits. We develop an extended multi-spider model with a dynamic environment where signal transmission is triggered locally, and use this model to implement three basic gates (AND, OR, NOT) and a mechanism to cascade the gates. We use a kinetic Monte Carlo algorithm to simulate gate computations, and we analyze circuit complexity: our design scales linearly with formula size and has a logarithmic time complexity.

Keywords

Molecular spiders Logic circuits Parallel evaluation Localized signal transmission 

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Dandan Mo
    • 1
  • Matthew R. Lakin
    • 1
    • 2
    • 3
  • Darko Stefanovic
    • 1
    • 3
  1. 1.Department of Computer ScienceUniversity of New MexicoAlbuquerqueUSA
  2. 2.Department of Chemical and Biological EngineeringUniversity of New MexicoAlbuquerqueUSA
  3. 3.Center for Biomedical EngineeringUniversity of New MexicoAlbuquerqueUSA

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