A proposed modularized DNA computer, based on biochips

  • Authors:

  • Ying Zhu;Yongsheng Ding;Wanggen Li;Gregory Kemp

  • Affiliations:

  • Donghua University, Shanghai, China;Donghua University, Shanghai, China;Donghua University, Shanghai, China;CSIRO Livestock Industries, Brisbane, Australia

  • Venue:
  • Proceedings of the first ACM/SIGEVO Summit on Genetic and Evolutionary Computation
  • Year:
  • 2009

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Abstract

There are limits to miniaturization with current computer technologies. Information-processing capabilities of organic molecules such as DNA can be used in computers to replace digital switching modality. However, without the emergence of microfluidic devices, all operations in vitro would be user regulated. A more advanced model is where robotic and electronic regulation is combined with DNA computing allowing the majority of the operations within the test environment to be carried out automatically. Microfluidics offers the promise of a "lab on a chip" system. This can control pico liter scale volumes, with integrated support for operations such as mixing, storage, PCR, heating/cooling, cell lysis, electrophoresis, and others [1], [2]], [3]. Thus has emerged a vision for creating a hybrid DNA computer: that can use microfluidics for the control paths and biological primitives for computation (the Arithmetic Logical Units). This paper presents a proposed modularized DNA biochip computer that works in accordance with Von Neumann's principles [4]. The biochips are divided into several modules, which have different functions. Thus, biochemical operations can be regulated in a step wise fusion. We then describe each module within the biochip and simulate how the classic Hamiltonian Path Problem would be solved in the proposed DNA computer.