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Related papers: Heat conductivity of DNA double helix

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A new model for predicting the effective thermal conductivity of polycrystalline materials is presented. In contrast to existing models, our new model is based on the thin-interface description of grain boundaries (GBs) and treats GBs as an…

Materials Science · Physics 2020-07-22 fergany Badry , Karim Ahmed

\b{eta}-Ga2O3 has attracted considerable interest in recent years for high power electronics, where thermal properties of \b{eta}-Ga2O3 play a critical role. The thermal conductivity of \b{eta}-Ga2O3 is expected to be three-dimensionally…

Materials Science · Physics 2019-02-20 Puqing Jiang , Xin Qian , Xiaobo Li , Ronggui Yang

Debates about conductivity of DNAs have been recently renewed due to contradictory results of direct measurements by use of electrical contacts to molecules. In several works it was discovered that double-stranded (ds)DNAs are conductors:…

Condensed Matter · Physics 2007-05-23 A. Yu. Kasumov , D. V. Klinov

Chemical vapor deposition (CVD) has been proposed for large-scale graphene synthesis for practical applications. However, the inferior electronic properties of CVD graphene are one of the key problems to be solved. In this study, we present…

Mesoscale and Nanoscale Physics · Physics 2016-06-01 Shaohua Xiang , Vaidotas Miseikis , Luca Planat , Stefano Guiducci , Stefano Roddaro , Camilla Coletti , Fabio Beltram , Stefan Heun

2D display is a fast and economical way of visualizing polymorphism and comparing genomes, which is based on the separation of DNA fragments in two steps, according first to their size and then to their sequence composition. In this paper,…

Biomolecules · Quantitative Biology 2009-10-29 Ana-Maria Florescu , Marc Joyeux , Benedicte Lafay

The MARTINI coarse-grained (CG) force field is used to test the ability of CG models to simulate ionic transport through protein nanopores. The ionic conductivity of CG ions in solution was computed and compared with experimental results.…

Biological Physics · Physics 2025-10-16 Basdevant Nathalie , Dessaux Delphine , Ramirez Rosa

Nanopore based sequencing has demonstrated significant potential for the development of fast, accurate, and cost-efficient fingerprinting techniques for next generation molecular detection and sequencing. We propose a specific multi-layered…

Mesoscale and Nanoscale Physics · Physics 2014-05-15 Towfiq Ahmed , Jason T. Haraldsen , John J. Rehr , Massimiliano Di Ventra , Ivan K. Schuller , Alexander V. Balatsky

We present a thermodynamically robust coarse-grained model to simulate folding of RNA in monovalent salt solutions. The model includes stacking, hydrogen bond and electrostatic interactions as fundamental components in describing the…

Biomolecules · Quantitative Biology 2013-04-16 Natalia A. Denesyuk , D. Thirumalai

Thermophoresis moves molecules along temperature gradients, typically from hot to cold. We superpose fluid flow with thermophoretic molecule flow under well defined microfluidic conditions, imaged by fluorescence microscopy. DNA is trapped…

Biological Physics · Physics 2007-05-23 Stefan Duhr , Dieter Braun

Nitrogenated holey graphene (NHG), a two-dimensional graphene-derived material with a C2N stoichiometry and evenly distributed holes and nitrogen atoms in its basal plane, has recently been synthesized. We performed first principles…

Materials Science · Physics 2017-04-06 Bohayra Mortazavi , Obaidur Rahaman , Timon Rabczuk , Luiz Felipe C. Pereira

The electrodynamic response of DNA in the millimeter wave range is investigated. By performing measurements under a wide range of humidity conditions and comparing the response of single strand DNA and double strand DNA, we show that the…

Disordered Systems and Neural Networks · Physics 2015-06-24 M. Briman , N. P. Armitage , E. Helgren , G. Gruner

The computational modelling of DNA is becoming crucial in light of new advances in DNA nanotechnology, single-molecule experiments and in vivo DNA tampering. Here we present a mesoscopic model for double stranded DNA (dsDNA) at the single…

Soft Condensed Matter · Physics 2025-02-03 Y. A. G. Fosado , D. Michieletto , J. Allan , C. Brackley , O. Henrich , D. Marenduzzo

We use the oxDNA coarse-grained model to provide a detailed characterization of the fundamental structural properties of DNA origamis, focussing on archetypal 2D and 3D origamis. The model reproduces well the characteristic pattern of helix…

Soft Condensed Matter · Physics 2019-02-21 Benedict E. K. Snodin , John S. Schreck , Flavio Romano , Ard A. Louis , Jonathan P. K. Doye

Particle beds are widely used in various systems and processes, such as particle heat exchangers, granular flow reactors, and additive manufacturing. Accurate modeling of thermal conductivity of particle beds and understanding of their heat…

Materials Science · Physics 2021-11-10 Jian Zeng , Ka Man Chung , Xintong Zhang , Sarath Adapa , Tianshi Feng , Yu Pei , Renkun Chen

The proper design of DNA sequences allows for the formation of well defined supramolecular units with controlled interactions via a consecution of self-assembling processes. Here, we benefit from the controlled DNA self-assembly to…

Soft Condensed Matter · Physics 2018-02-14 Javier Fernandez-Castanon , Francesca Bomboi , Francesco Sciortino

Coherent wave effects of thermal phonons hold promise of transformative opportunities in thermal transport control but remain largely unexplored due to the small wavelength of thermal phonons, typically below a few nanometers. This small…

Materials Science · Physics 2019-10-09 Usama Choudhry , Shengying Yue , Bolin Liao

This review summarizes the current studies of the thermal transport properties of one-dimensional (1D) carbon nanomaterials and nanoarchitectures. Considering different hybridization states of carbon, emphases are laid on a variety of 1D…

Materials Science · Physics 2018-03-20 Haifei Zhan , Yuantong Gu

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

The energetic and transport properties of a double-stranded DNA dodecamer encapsulated in hydrophobic carbon nanotubes are probed employing two limiting nanotube diameters, D=4 nm and D=3 nm, corresponding to (51,0) and (40,0) zig-zag…

Biological Physics · Physics 2016-05-06 Fernando J. A. L. Cruz , Juan J. de Pablo , José P. B. Mota

Disordered forms of carbon are an important class of materials for applications such as thermal management. However, a comprehensive theoretical understanding of the structural dependence of thermal transport and the underlying microscopic…

Materials Science · Physics 2024-12-13 Yanzhou Wang , Zheyong Fan , Ping Qian , Miguel A. Caro , Tapio Ala-Nissila