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Related papers: Effect of base-pair sequence on B-DNA thermal cond…

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We analyze, through molecular dynamics simulations, the temperature dependence of the thermal conductivity (k) of chain-oriented amorphous polyethylene (PE). We find that at increasing levels of orientation, the temperature corresponding to…

Materials Science · Physics 2019-08-14 Rajmohan Muthaiah , Jivtesh Garg

The dielectrophoresis method for trapping and attaching nanoscale double-stranded DNA between nanoelectrodes was developed. The method gives a high yield of trapping single or a few molecules only which enables transport measurements at the…

Soft Condensed Matter · Physics 2007-05-23 S. Tuukkanen , A. Kuzyk , J. J. Toppari , V. P. Hytonen , T. Ihalainen , P. Torma

Molecular recognition between two double stranded (ds) DNA with homologous sequences may not seem compatible with the B-DNA structure because the sequence information is hidden when it is used for joining the two strands. Nevertheless, it…

Biomolecules · Quantitative Biology 2016-04-20 Alexey K. Mazur

Thermal conductivities are routinely calculated in molecular dynamics simulations by keeping the boundaries at different temperatures and measuring the slope of the temperature profile in the bulk of the material, explicitly using Fourier's…

Statistical Mechanics · Physics 2021-04-13 Yuanyang Ren , Kai Wu , David Cubero

We present a short review of various experiments that measure charge transfer and charge transport in DNA. Some general comments are made on the possible connection between 'chemistry-style' charge transfer experiments that probe…

Disordered Systems and Neural Networks · Physics 2009-11-10 N. P. Armitage , M. Briman , G. Gruner

Biphenylene nanotubes (BPNNTs) represent a novel class of carbon-based nanomaterials, constructed by rolling a biphenylene network (BPN) monolayer into a one-dimensional tubular structure. In this study, the thermal transport properties of…

Materials Science · Physics 2025-09-24 Jhionathan de Lima , Cristiano F. Woellner

We propose a phonon-assisted tunnelling model for explanation of conductivity dependence on temperature and temperature-dependent I-V characteristics in deoxyribonucleic acid (DNA) molecules. The capability of this model for explanation of…

Soft Condensed Matter · Physics 2008-05-13 Povilas Pipinys , Antanas Kiveris

We report an experimental study of carrier density (n), displacement field (D) and twist angle ({\theta}) dependence of temperature (T)-linear resistivity in twisted double bilayer graphene (TDBG). For a large twist angle…

The lattice thermal conductivities of silicon clathrate frameworks II and VIII are investigated by using ab initio lattice dynamics and iterative solution of the linearized Boltzmann transport equation(BTE) for phonons. Within the…

Materials Science · Physics 2016-04-26 Ville J. Härkönen , Antti J. Karttunen

We show that a mesoscale model, with a minimal number of parameters, can well describe the thermomechanical and mechanochemical behavior of homogeneous DNA at thermal equilibrium under tension and torque. We predict critical temperatures…

Biomolecules · Quantitative Biology 2015-06-22 Cristiano Nisoli , A. R. Bishop

The accuracy of the classical heat conduction model, known as Fourier's law, is highly questioned, dealing with the micro and nanosystems and biological tissues. In other words, the results obtained from the classical equations deviate from…

Designing and searching for high lattice thermal conductivity materials in both bulk and nanoscale level is highly demanding for electronics cooling. Boron phosphide is a III-V compound semiconductor with superior structural and thermal…

Materials Science · Physics 2022-01-25 Rajmohan Muthaiah , Fatema Tarannum , N. Yedukondalu , Jivtesh Garg

The structural dynamics of a 1D mixed-metal cyanide, Cu$_{1/3}$Ag$_{1/3}$Au$_{1/3}$CN, with intriguing thermal properties is explored. All the current known related compounds with straight-chain structures, such as CuCN, AgCN, AuCN and…

When pulled along its axis, double-stranded DNA elongates abruptly at a force of about 65 pN. Two physical pictures have been developed to describe this overstretched state. The first proposes that strong forces induce a phase transition to…

Statistical Mechanics · Physics 2015-06-25 Stephen Whitelam , Sander Pronk , Phillip L. Geissler

In contrary to other 1D momentum-conserving lattices such as the Fermi-Pasta-Ulam $\beta$ (FPU-$\beta$) lattice, the 1D coupled rotator lattice is a notable exception which conserves total momentum while exhibits normal heat conduction…

Statistical Mechanics · Physics 2015-07-20 Yunyun Li , Nianbei Li , Baowen Li

A detailed investigation of BaNi2(As,P)2 single crystals using high-resolution thermal-expansion, heat-capacity,Young-modulus and resistivity measurements is presented. The experimental data are complemented by density-functional…

The thermal conductance of a one-dimensional classical inertial Heisenberg model of linear size $L$ is computed, considering the first and last particles in thermal contact with heat baths at higher and lower temperatures, $T_{h}$ and…

Statistical Mechanics · Physics 2024-02-23 Henrique Santos Lima , Constantino Tsallis , Fernando D. Nobre

Using four different experimental techniques, we performed comprehensive studies of the bulk superconductive properties of single crystals of the nearly optimally doped $Ba_{1-x}K_xFe_2As_2$ ($T_{c} \approx 36\,K$), a typical representative…

We propose that supercoiling energizes double-stranded DNA (dsDNA) so as to facilitate thermal fluctuations to an unzipped state. We support this with a model of two elastic rods coupled via forces that represent base pair interactions.…

Soft Condensed Matter · Physics 2009-11-10 Shirish M. Chitanvis , Paul M. Welch

We predict a novel temperature-driven phase transition of DNA below the melting transition. The additional, intermediate phase exists for repetitive sequences, when the two strands have different lengths. In this phase, the excess bases of…

Biomolecules · Quantitative Biology 2007-05-23 Richard A. Neher , Ulrich Gerland
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