نتایج جستجو برای: thermodynamic stability

تعداد نتایج: 336766  

2009
Stefano Chesi Barbara M. Terhal

We discuss and review several thermodynamic criteria that have been introduced to characterize the thermal stability of a self-correcting quantum memory. We first examine the use of symmetry-breaking fields in analyzing the properties of self-correcting quantum memories in the thermodynamic limit: we show that the thermal expectation values of all logical operators vanish for any stabilizer and...

Journal: :Annual review of biophysics and biomolecular structure 1999
S H White W C Wimley

Stably folded membrane proteins reside in a free energy minimum determined by the interactions of the peptide chains with each other, the lipid bilayer hydrocarbon core, the bilayer interface, and with water. The prediction of three-dimensional structure from sequence requires a detailed understanding of these interactions. Progress toward this objective is summarized in this review by means of...

1998
Michele Vendruscolo

We present a general method of derivation of a potential for protein folding. At a given temperature, the parameters of the potential are obtained by imposing a required thermodynamic stability to a dataset of sequences on their respective native structures, determined experimentally or otherwise. As test cases, we recover exactly the pairwise energy parameters for two simple lattice models in ...

2011
Norman E. Watkins William J. Kennelly Mike J. Tsay Astrid Tuin Lara Swenson Hyung-Ran Lee Svetlana Morosyuk Donald A. Hicks John SantaLucia

The thermodynamic contributions of rA·dA, rC·dC, rG·dG and rU·dT single internal mismatches were measured for 54 RNA/DNA duplexes in a 1 M NaCl buffer using UV absorbance thermal denaturation. Thermodynamic parameters were obtained by fitting absorbance versus temperature profiles using the curve-fitting program Meltwin. The weighted average thermodynamic data were fit using singular value deco...

Journal: :Entropy 2010
John Ross Alejandro Fernández Villaverde

We review a coherent mesoscopic presentation of thermodynamics and fluctuations far from and near equilibrium, applicable to chemical reactions, energy transfer and transport processes, and electrochemical systems. Both uniform and spatially dependent systems are considered. The focus is on processes leading to and in non-equilibrium stationary states; on systems with multiple stationary states...

2007
Konstantin Popov Igor Pletnev Hans Wanner Andrey Vendilo

Numerous computerized chemical speciation models based on thermodynamic principles are nowadays available and widely used to estimate biometals, radionuclides and hazardous pollutants behavior in various technological cycles, biosystems and environment. However, these models are sensitive to the reliability of more then 400 000 thermodynamic data provided by various databases and other data sou...

Journal: :Entropy 2012
Stefano Bellucci Bhupendra Nath Tiwari

From the perspective of the statistical fluctuation theory, we explore the role of the thermodynamic geometries and vacuum (in)stability properties for the topological Einstein–Yang–Mills black holes. In this paper, from the perspective of the state-space surface and chemical Weinhold surface of higher dimensional gravity, we provide the criteria for the local and global statistical stability o...

2007
Daniel J. Fish M. Todd Horne Greg P. Brewood Jim P. Goodarzi Saba Alemayehu Ashwini Bhandiwad Robert P. Searles Albert S. Benight

Hybridization intensities of 30 distinct short duplex DNAs measured on spotted microarrays, were directly compared with thermodynamic stabilities measured in solution. DNA sequences were designed to promote formation of perfect match, or hybrid duplexes containing tandem mismatches. Thermodynamic parameters DeltaH degrees , DeltaS degrees and DeltaG degrees of melting transitions in solution we...

Journal: :Journal of hazardous materials 2003
A A Aldeeb W J Rogers M S Mannan

Evaluation of thermal stability and runaway behavior of any exothermic chemical system is of great importance for the design and operation of a chemical process. The evaluation process should be based on a thorough investigation of the reaction chemistry including reaction pathways, thermodynamic, and kinetic parameters. When addressing the reactivity hazards of any reacting system, the dominan...

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