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Virtually every biological rate depends on temperature, yet the resulting rate-temperature relationships often deviate strongly from simple Arrhenius behavior. In this first part of a two-part review, we survey phenomenological models used…

Quantitative Methods · Quantitative Biology 2026-03-11 Simen Jacobs , Julian Voits , Nikita Frolov , Ulrich S. Schwarz , Lendert Gelens

We present a first temperature dependence and kinetic isotope effect study on the reaction of C_2(a^3Pi_u) with methanol. The bimolecular rate constants for a series of methanol isotopomers have been measured as a function of temperature…

Chemical Physics · Physics 2015-05-18 Renzhi Hu , Qun Zhang , Yang Chen

The picosecond dynamics of excitons in colloidal CdSe nanorods are directly measured via their 1s to 2p-like internal transitions by ultra-broadband terahertz spectroscopy. Broadened absorption peaks from both the longitudinal and…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 David G. Cooke , Peter Uhd Jepsen , Jun Yan Lek , Yeng Ming Lam , Fredrik Sy , Marc M. Dignam

Inelastic x-ray scattering and Brillouin light scattering measurements of the dynamic structure factor of liquid hydrogen fluoride have been performed in the temperature range$ T=214\div 283 K$. The data, analysed using a viscoelastic model…

Disordered Systems and Neural Networks · Physics 2016-08-31 R. Angelini , P. Giura , D. Fioretto , G. Monaco , G. Ruocco , F. Sette

We add relaxation mechanisms that mimic the effect of temperature and non-equilibrium driving to the recently-proposed spiral model which jams at a critical density rho_c < 1. This enables us to explore unjamming by temperature or driving…

Soft Condensed Matter · Physics 2010-05-20 Yair Shokef , Andrea J. Liu

Na-ion conduction, and correlations between Na-ion conduction pathways and crystal structure have been investigated as a function of temperature in the layered battery material Na2Ni2TeO6 by impedance spectroscopy and neutron diffraction,…

Materials Science · Physics 2020-07-15 A. K. Bera , S. M. Yusuf

We have used an effective model of ferroelectric PbTiO$_{3}$, which displays a representative soft mode-driven phase transition, to investigate how different features of the potential-energy surface affect the transition temperature $T_{\rm…

Materials Science · Physics 2013-12-05 Jacek C. Wojdeł , Jorge Íñiguez

A theoretical study on low-temperature structural phase transitions is presented, in which both phonon-like and relaxation order-parameter dynamics are contemplated. While the first limiting case has been considered previously, the second…

Statistical Mechanics · Physics 2009-11-10 A. Cano , A. P. Levanyuk

We present molecular dynamics simulations of the SPC/E model of water to probe the dynamic properties at temperatures from 350 K down to 190 K and pressures from 2.5GPa (25kbar) down to -300MPa (-3kbar). We compare our results with those…

Condensed Matter · Physics 2009-10-31 Francis W. Starr , Francesco Sciortino , H. Eugene Stanley

Photoactive liquid crystal elastomers are polymer networks of liquid crystal mesogens embedded with chromophores like azobenzene. They undergo large deformation when illuminated by light of a certain wavelength through photochemical…

Soft Condensed Matter · Physics 2022-01-10 Zhengxuan Wei , Ruobing Bai

At non-zero temperature and when a system has low-lying excited electronic states, the ground-state Born--Oppenheimer approximation breaks down and the low-lying electronic states are involved in any chemical process. In this work, we use a…

Chemical Physics · Physics 2012-09-07 J. L. Alonso , A. Castro , J. Clemente-Gallardo , P. Echenique , J. J. Mazo , V. Polo , A. Rubio , D. Zueco

The results of polarization-dependent Raman spectroscopy of single-crystalline LiVO$_2$ exhibiting transition to a diamagnetic state below $T_c \sim $500K are reported. Our measurements clearly detect additional peaks in the low-temperature…

Strongly Correlated Electrons · Physics 2024-07-12 Yuri S. Ponosov , Evgenia V. Komleva , Elizaveta A. Pankrushina , Haohang Xu , Yu Sui , Sergey V. Streltsov

Recent work has shown that in a non-thermal, multidimensional system, the trajectories in the activated complex possess different instantaneous and time-averaged reactant decay rates. Under dissipative dynamics, it is known that these…

Chemical Physics · Physics 2021-01-06 Robin Bardakcioglu , Johannes Reiff , Matthias Feldmaier , Jörg Main , Rigoberto Hernandez

We used the blast wave model with Boltzmann Gibbs statistics and analyzed the experimental data measured by NA61/SHINE Collaboration in inelastic (INEL) proton-proton collisions at different rapidity slices at different center-of-mass…

We study the structural changes occurring in the isotropic phase of the C$_{12}$=EO$_6$/H$_2$O lyotropic mixture (up to 35% surfactant weight concentration) upon increasing the concentration and temperature, from small individual micelles…

Soft Condensed Matter · Physics 2015-04-09 Doru Constantin , Éric Freyssingeas , Jean-François Palierne , Patrick Oswald

The effect of temperature on mechanical unfolding of proteins is studied using a Go-like model with a realistic contact map and Lennard-Jones contact interactions. The behavior of the I27 domain of titin and its serial repeats is contrasted…

Biomolecules · Quantitative Biology 2007-05-23 Marek Cieplak , Trinh Xuan Hoang , Mark O. Robbins

We present a novel statistical mechanics formalism for the theoretical description of the process of protein folding$\leftrightarrow$unfolding transition in water environment. The formalism is based on the construction of the partition…

Biological Physics · Physics 2010-05-20 A. V. Yakubovich , A. V. Solov'yov , W. Greiner

We present a set of Langmuir binding models in which electrostatic cooperativity effects to protein sorption is incorporated in the spirit of Guoy-Chapman-Stern models, where the global substrate (microgel) charge state is modified by bound…

Soft Condensed Matter · Physics 2012-09-14 Cemil Yigit , Nicole Welsch , Matthias Ballauff , Joachim Dzubiella

Atomic displacements of hydrated proteins are dominated by phonon vibrations at low temperatures and by dissipative large-amplitude motions at high temperatures. A crossover between the two regimes is known as a dynamical transition. Recent…

Biological Physics · Physics 2010-11-05 Dmitry V. Matyushov , Alexander Y. Morozov

In this work we study, at the single molecular level, the thermodynamic and dynamic characteristics of an enzymatic reaction comprising a rate limiting step. We investigate how the stability of the enzyme-state stationary probability…

Subcellular Processes · Quantitative Biology 2015-05-20 Moisés Santillán