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Related papers: Proteins as Bioelectronic Materials: Electron Tran…

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A combination of ultrafast, long-range and low-loss excitation energy transfer from the photo-receptor location to a functionally active site is essential for cost-effective polymeric semiconductors. Delocalized electronic wavefunctions…

The finding that electronic conductance across ultra-thin protein films between metallic electrodes remains nearly constant from room temperature to just a few degrees Kelvin has posed a challenge. We show that a model based on a…

Disordered Systems and Neural Networks · Physics 2024-07-26 Eszter Papp , Gabor Vattay , Carlos Romero-Muniz , Linda A. Zotti , Jerry A. Fereiro , Mordechai Sheves , David Cahen

We summarize here recent results from the STAR collaboration focusing on processes involving large momentum transfers. Measurements of angular correlations of di-hadrons are explored in both the pseudorapidity (eta) and azimuthal (phi)…

Nuclear Experiment · Physics 2008-11-26 Manuel Calderon de la Barca Sanchez

By using a first-principles approach, monolayer PbI$_2$ is found to have great potential in thermoelectric applications. The linear Boltzmann transport equation is applied to obtain the perturbation to the electron distribution by different…

Materials Science · Physics 2021-05-24 Bo Peng , Haodong Mei , Hao Zhang , Hezhu Shao , Ke Xu , Gang Ni , Qingyuan Jin , Costas M. Soukoulis , Heyuan Zhu

Control over molecular scale electrical properties within nano junctions is demonstrated, utilizing site-directed C60 targeting into protein macromolecules as a doping means. The protein molecules, self-assembled in a miniaturized…

Mesoscale and Nanoscale Physics · Physics 2011-12-13 Elad Mentovich , Bogdan Belgorodsky , Michael Gozin , Shachar Richter , Hagai Cohen

Ab initio calculations of phenyl dithiol connected to Au, Ag, Pd, and Pt electrodes are performed using non-equilibrium Green's functions and density functional theory. For each metal, the properties of the molecular junction are considered…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 John W. Lawson , Charles W. Bauschlicher

Optical spectroscopy in the gas phase is a key tool to elucidate the structure of atoms and molecules and of their interaction with external fields. The line resolution is usually limited by a combination of first-order Doppler broadening…

Quantum Physics · Physics 2021-08-25 I. V. Kortunov , S. Alighanbari , M. G. Hansen , G. S. Giri , V. I. Korobov , S. Schiller

We propose that protein loops can be interpreted as topological domain-wall solitons. They interpolate between ground states that are the secondary structures like alpha-helices and beta-strands. Entire proteins can then be folded simply by…

Biological Physics · Physics 2014-11-20 M. N. Chernodub , Shuangwei Hu , Antti J. Niemi

In this work, we present a paradigm bridging electromagnetic (EM) and molecular communication through a stimuli-responsive intra-body model. It has been established that protein molecules, which play a key role in governing cell behavior,…

Molecular Networks · Quantitative Biology 2020-09-03 Hadeel Elayan , Andrew W. Eckford , Raviraj Adve

We explore electron transport properties in molecular wires made of heterocyclic molecules (pyrrole, furan and thiophene) by using the Green's function technique. Parametric calculations are given based on the tight-binding model to…

Mesoscale and Nanoscale Physics · Physics 2009-09-13 Santanu K. Maiti , S. N. Karmakar

We propose a junction of metal and rare-earth compound semiconductor as the basis for a possible efficient low-temperature thermoelectric device. If an overlayer of rare earth atoms differing from the bulk is placed at the interface, very…

Strongly Correlated Electrons · Physics 2009-10-31 Massimo Rontani , L. J. Sham

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…

Disordered Systems and Neural Networks · Physics 2019-09-04 Eszter Papp , Dávid P. Jelenfi , Máté T. Veszeli , Gábor Vattay

Recently, electron transport along chiral molecules has been attracting extensive interest and several intriguing phenomena have been reported in recent experiments, such as the emergence of zero-bias conductance peaks upon the adsorption…

Mesoscale and Nanoscale Physics · Physics 2023-10-18 Xiao-Feng Chen , Wenchen Luo , Tie-Feng Fang , Yossi Paltiel , Oded Millo , Ai-Min Guo , Qing-Feng Sun

We present a theoretical study of electron transport through a molecule connected to two metallic nanocontacts. The system investigated is 1,4 benzene-dithiolate (BDT) chemically bonded to two Au contacts. The surface chemistry is modeled…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Eldon Emberly , George Kirczenow

Proteins are the active working horses in our body. These biomolecules perform all vital cellular functions from DNA replication and general biosynthesis to metabolic signaling and environmental sensing. While static 3D structures are now…

Quantitative Methods · Quantitative Biology 2020-10-16 Sonja Schmid , Cees Dekker

Conformational changes of individual fluorescently labeled proteins can be followed in solution using a confocal microscope. Two fluorophores attached to selected domains of the protein report fluctuating conformations. Based on F\"orster…

Quantitative Methods · Quantitative Biology 2015-06-12 Nawid Zarrabi , Caterina Clausen , Monika G. Dueser , Michael Boersch

The quantum interaction between molecules and electrode s material at molecules-electrode interfaces is a major ingredient in the electronic transport properties of organic junctions. Driven by the coupling strength between the two…

Developing intrinsic homojunctions without chemical heterogeneity remains a key challenge in future two - dimensional devices. Here, we report a geometry - defined metal--semiconductor--metal homojunction in bilayer blue phosphorus (BlueP)…

Mesoscale and Nanoscale Physics · Physics 2026-02-27 Zewen Wu , Min Zhou , Yanxia Xing , Xianghua Kong

We demonstrate how redox control of intra-molecular quantum interference in phase-coherent molecular wires can be used to enhance the thermopower (Seebeck coefficient) S and thermoelectric figure of merit ZT of single molecules attached to…

Mesoscale and Nanoscale Physics · Physics 2015-09-10 Víctor M. García-Suarez , Colin J. Lambert , David Zs. Manrique , Thomas Wandlowski

The possibility of using single molecule junctions as electron pumps for energy conversion and storage is considered. It is argued that the small dimensions of these systems enable to make use of unique intra-molecular quantum coherences in…

Quantum Physics · Physics 2015-05-20 Roie Volkovich , Uri Peskin