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Electrical Conductance in Biological Molecules

Authors

  • M. Waleed Shinwari,

    1. Department of Electrical and Computer Engineering McMaster University, Hamilton, ON L8S4K1 (Canada)
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  • M. Jamal Deen,

    Corresponding author
    1. Department of Electrical and Computer Engineering McMaster University, Hamilton, ON L8S4K1 (Canada)
    2. Division of IT Convergence Engineering/POSTECHSan31, Hyoja Dong, Nam Gu, Pohang, Gyungbuk 790-894 (Korea)
    • Department of Electrical and Computer Engineering McMaster University, Hamilton, ON L8S4K1 (Canada).
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  • Evgeni B. Starikov,

    1. Institute for Material Science and Max Bergmann Center of Biomaterials Dresden University of Technology D-01062 Dresden (Germany)
    2. Department of Chemical and Biological Engineering Chalmers University of Technology SE-412 96 Göteborg (Sweden)
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  • Gianaurelio Cuniberti

    1. Division of IT Convergence Engineering/POSTECHSan31, Hyoja Dong, Nam Gu, Pohang, Gyungbuk 790-894 (Korea)
    2. Institute for Material Science and Max Bergmann Center of Biomaterials Dresden University of Technology D-01062 Dresden (Germany)
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Abstract

Nucleic acids and proteins are not only biologically important polymers. They have recently been recognized as novel functional materials surpassing conventional materials in many aspects. Although Herculean efforts have been undertaken to unravel fine functioning mechanisms of the biopolymers in question, there is still much more to be done. Here the topic of biomolecular charge transport is presented with a particular focus on charge transfer/transport in DNA and protein molecules. The experimentally revealed details, as well as the presently available theories, of charge transfer/transport along these biopolymers are critically reviewed and analyzed. A summary of the active research in this field is also given, along with a number of practical recommendations.

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