Superconductivity in molecular wires

Kasumov, A.; Deblock, R.; Kociak, Mathieu; Reulet, Bertrand; Bouchiat, H.; Guéron, S.; Khodos, I. I.; Gorbatov, Yu. B.; Волков, В. Т.; Journet, Catherine; Bernier, P.; Burghard, Marko

doi:10.1070/1063-7869/44/10s/s14

Cited by 65 publications

(77 citation statements)

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“…Some of the earlier work on the conductance of single DNA molecules has delivered contradicting results, ranging from metallic to insulating behaviour [4][5][6][7] . Experiments were performed on single DNA molecules suspended between electrodes or on bundles of DNA, and under various conditions.…”

Section: Dna Conductance Experimentsmentioning

confidence: 99%

Electrical Conductance in Biological Molecules

Shinwari

Deen

Starikov

et al. 2010

Adv Funct Materials

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Nucleic acids and proteins are not only biologically important polymers: They have recently been recognized as novel functional materials surpassing in many aspects the conventional ones. Although Herculean efforts have been undertaken to unravel fine functioning mechanisms of the biopolymers in question, there is still much more to be done. This particular paper presents the topic of biomolecular charge transport, with a particular focus on charge transfer/transport in DNA and protein molecules. Here 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.)Received: ((will be filled in by the editorial staff))Revised: ((will be filled in by the editorial staff))

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Section: Dna Conductance Experimentsmentioning

confidence: 99%

Electrical Conductance in Biological Molecules

Shinwari

Deen

Starikov

et al. 2010

Adv Funct Materials

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“…Especially the CT in DNA oligomers has been extensively studied both experimentally and theoretically with many techniques. Experiments have initially yielded different results, such as DNA being a conductor, 4 semiconductor, 5 and insulator. 6 Also the theoretical understanding has been divergent and results in two points of view.…”

Section: Introductionmentioning

confidence: 99%

Quantifying Environmental Effects on the Decay of Hole Transfer Couplings in Biosystems

Ramos

Pavanello

2014

J. Chem. Theory Comput.

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In the past two decades, many research groups worldwide have tried to understand and categorize simple regimes in the charge transfer of such biological systems as DNA. Theoretically speaking, the lack of exact theories for electron-nuclear dynamics on one side, and poor quality of the parameters needed by model Hamiltonians and nonadiabatic dynamics alike (such as couplings and site energies) on the other, are the two main difficulties for an appropriate description of the charge transfer phenomena. In this work, we present an application of a previously benchmarked and linear-scaling subsystem DFT method for the calculation of couplings, site energies and superexchange decay factors (β ) of several biological donor-acceptor dyads, as well as double stranded DNA oligomers comprised of up to 5 base pairs. The calculations are all-electron, and provide a clear view of the role of the environment on superexchange couplings in DNA -they follow experimental trends and confirm previous semiempirical calculations. The subsystem DFT method is proven to be an excellent tool for long-range, bridge-mediated coupling and site energy calculations of embedded molecular systems.

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“…76,120,121 Thus, the probes were not entirely responsible for the formation of conductive paths on the surfaces of AuNPs. Opening bridge hybridization also occurred between adjacent AuNPs; therefore, the altered conductivity can be explained not only by the molecular conductivity of DNA, 71,76,[120][121][122]124,125 but also by the reduced structural distance between the 46 nm parent particles with attached 12 nm probes owing to this bridging by hybridization. The binder decanedithiol (~1.3 nm) was used to attach child AuNPs (12 nm), which were arrowed in the TEM image (Fig.…”

Section: Nanogap Electrodementioning

confidence: 99%

Placement of Nanospace on an Electrode for Biosensing

et al. 2012

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Electrical and electrochemical methods are well established as very useful techniques in the field of biosensing because they can easily handle signals and devices. This paper provides an overview of biosensing using a nanometer-sized space functionally. Placed effectively on the electrode, the nanospace offers several advantages, such as increased sensitivity, improved selectivity, decreased response time, and the potential for instrument miniaturization. Given the impressive technological progress of nanospace biosensors and its growing impact on analytical science, this review offers an easyto-understand presentation describing the history, recent advances, new methods, and future prospects of nanospace biosensors.

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Superconductivity in molecular wires

Cited by 65 publications

References 0 publications

Electrical Conductance in Biological Molecules

Electrical Conductance in Biological Molecules

Quantifying Environmental Effects on the Decay of Hole Transfer Couplings in Biosystems

Placement of Nanospace on an Electrode for Biosensing

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