ArticleBiomolecules2019
A Landauer Formula for Bioelectronic Applications.
Article in Biomolecules, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Without Contact Resistance, Proteins in Thin-Film Solid-State Junctions Can Be Efficient Electronic Conducting Materials.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Computation of biological conductance with Liouville quantum master equation.Scientific reports · 2024Article
- Electron transport through two interacting channels in Azurin-based solid-state junctions.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Near-Temperature-Independent Electron Transport Well beyond Expected Quantum Tunneling Range via Bacteriorhodopsin Multilayers.Journal of the American Chemical Society · 2023Article
- Temperature-Dependent Coherent Tunneling across Graphene-Ferritin Biomolecular Junctions.ACS applied materials & interfaces · 2022Article
- Role of Order in the Mechanism of Charge Transport across Single-Stranded and Double-Stranded DNA Monolayers in Tunnel Junctions.Journal of the American Chemical Society · 2021Article
- What Can We Learn from Protein-Based Electron Transport Junctions?The journal of physical chemistry letters · 2021Article
- Protein Binding and Orientation Matter: Bias-Induced Conductance Switching in a Mutated Azurin Junction.Journal of the American Chemical Society · 2020Article
- Electronic Conductance Resonance in Non-Redox-Active Proteins.Journal of the American Chemical Society · 2020Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recent electronic transport experiments using metallic contacts attached to proteins identified some "stylized facts", which contradict conventional wisdom that increasing either the spatial distance between the electrodes or the temperature suppresses conductance exponentially. These include nearly temperature-independent conductance over the protein in the 30 to 300 K range, distance-independent conductance within a single protein in the 1 to 10 nm range and an anomalously large conductance in the 0.1 to 10 nS range. In this paper, we develop a generalization of the low temperature Landauer formula, which can account for the joint effects of tunneling and decoherence and can explain these new experimental findings. We use novel approximations, which greatly simplify the mathematical treatment and allow us to calculate the conductance in terms of a handful macroscopic parameters, instead of the myriads of microscopic parameters describing the details of an atomic level quantum chemical computation. The new approach makes it possible to get predictions for the outcomes of new experiments without relying solely on high performance computing and can distinguish important and unimportant details of the protein structures from the point of view of transport properties.
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