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Elastic networks can be tuned to exhibit complex mechanical responses and have been extensively used to study protein allosteric functionality, where a localized strain regulates the conformation at a distant site. We show that cooperative…

Soft Condensed Matter · Physics 2025-09-26 Ben Pisanty , Jovana Andrejevic , Andrea J. Liu , Sidney R. Nagel

The deformation kinetics for glassy polymers confined in microscopic domain at very low temperature regime was investigated using a transition-rate-state dependent model considering the shear thinning behavior which means, once material…

Soft Condensed Matter · Physics 2009-04-09 Guanghua Zhu

A four states phase diagram for protein folding as a function of temperature and solvent quality is derived from an improved 2-d lattice model taking into account the temperature dependence of the hydrophobic effect. The phase diagram…

Statistical Mechanics · Physics 2009-11-11 Olivier Collet

Action-detected two-dimensional electronic spectroscopy (A-2DES) could potentially be a versatile chemical tool with applicability across a range of photophysical observables such as photocurrent, photoionization, or fluorescence. However,…

Chemical Physics · Physics 2026-04-29 Sayan Ghosh , Amitav Sahu , Stephanie Gonzalez-Migoni , Thomas L. C. Jansen , Vivek Tiwari

We report the temperature dependent dielectric properties and impedance spectroscopy investigation of Na$_3$Zr$_2$Si$_2$PO$_{12}$ in the frequency range of 20 Hz--2 MHz. The Rietveld refinement of x-ray diffraction pattern confirms the…

Materials Science · Physics 2022-11-23 Ramcharan Meena , Rajendra S. Dhaka

Prompted by results that showed that a simple protein model, the frustrated G\=o model, appears to exhibit a transition reminiscent of the protein dynamical transition, we examine the validity of this model to describe the low-temperature…

Statistical Mechanics · Physics 2014-01-24 Johannes-Geert Hagmann , Naoko Nakagawa , Michel Peyrard

Proteins change their charge state through protonation and redox reactions as well as through binding charged ligands. The free energy of these reactions are dominated by solvation and electrostatic energies and modulated by protein…

Biomolecules · Quantitative Biology 2016-02-26 Marilyn R. Gunner , Nathan A. Baker

The slowing down of molecular dynamics when approaching the glass transition generally proceeds much stronger than expected for thermally activated motions. This strange phenomenon can be formally ascribed to a temperature-dependent…

Soft Condensed Matter · Physics 2013-11-28 Th. Bauer , P. Lunkenheimer , A. Loidl

The thermodynamics of proteins indicate that folding/unfolding takes place either through stable intermediates or through a two-state process without intermediates. The rather short folding times of the two-state process indicate that…

Condensed Matter · Physics 2016-08-31 Audun Bakk , Johan S. Hoye , Alex Hansen , Kim Sneppen , Mogens Hogh Jensen

High temperature properties of ceria surfaces are important for many applications. Here we report the temperature dependences of surface energy for the (111) and (110) CeO2 obtained in the framework of the extended two-stage upsampled…

Materials Science · Physics 2023-01-18 A. S. Kholtobina , A. Forslund , A. V. Ruban , B. Johansson , N. V. Skorodumova

Initial reaction rate data for lactic dehydrogenase / pyruvate, lactic dehydrogenase / lactate and malic dehydrogenase / malate enzyme reactions were analyzed to obtain activation free energy changes of -329, -195 and -221 cal/mole,…

Subcellular Processes · Quantitative Biology 2007-06-12 George E. Bass , Bernd Meibohm , James T. Dalton , Robert Sayre

Analysis of the steady-state Kirchhoff equations within the framework of a new physics-based equivalent circuit provides explicit expressions for the holding voltage and current for the resistive mode in bi-stable CMOS structures. The…

Applied Physics · Physics 2024-08-15 Gennady I. Zebrev

Using molecular dynamics computer simulations, we investigate the dynamics of the rotational degrees of freedom in a supercooled system composed of rigid, diatomic molecules. The interaction between the molecules is given by the sum of…

Statistical Mechanics · Physics 2009-10-30 Stefan Kammerer , Walter Kob , Rolf Schilling

Neuronal cells change their growth properties in response to external physical stimuli such as variations in external temperature, stiffness of the growth substrate, or topographical guidance cues. Detailed knowledge of the mechanisms that…

Biological Physics · Physics 2013-10-10 Elise Spedden , David L. Kaplan , Cristian Staii

Materials undergoing antiferroelectric/ferroelectric (AFE/FE) transitions are studied for possible applications that exploit the large volume, charge and entropy differences between the two states, such as electrocaloric cooling, energy…

When an ordered spin system of a given dimensionality undergoes a second order phase transition the dependence of the order parameter i.e. magnetization on temperature can be well-described by thermal excitations of elementary collective…

Materials Science · Physics 2017-03-30 H. J. Qin , Kh. Zakeri , A. Ernst , J. Kirschner

The thermally activated fracture processes in the carbon backbone of diamond-like carbon nanothreads and the hydrogen desorption from them has been studied by the molecular dynamics method. Specifically, the temperature dependence of the…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 L. A. Openov , A. I. Podlivaev

Molecular dynamics simulations have revealed a dramatic increase, with increasing temperature, of the amplitude of electrostatic fluctuations caused by water at the active site of metalloprotein plastocyanin. The increased breadth of…

Biological Physics · Physics 2009-11-13 David N. LeBard , Dmitry V. Matyushov

The femtosecond optical pump-probe technique was used to study dynamics of photoexcited electrons and coherent optical phonons in transition metals Zn and Cd as a function of temperature and excitation level. The optical response in time…

Strongly Correlated Electrons · Physics 2009-11-11 Muneaki Hase , Kunie Ishioka , Jure Demsar , Kiminori Ushida , Masahiro Kitajima

The assumption of linear response of protein molecules to thermal noise or structural perturbations, such as ligand binding or detachment, is broadly used in the studies of protein dynamics. Conformational motions in proteins are…

Biomolecules · Quantitative Biology 2010-06-21 Yuichi Togashi , Toshio Yanagida , Alexander S. Mikhailov
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