نتایج جستجو برای: free equilibrium state

تعداد نتایج: 1428880  

Journal: :Physical chemistry chemical physics : PCCP 2014
Neeraj K Giri Abhinandan Banerjee Robert W J Scott Matthew F Paige Ronald P Steer

Dissolving zinc tetraphenylporphyrin in the tetraalkylphosphonium chloride ionic liquid P4448Cl results in progressive demetallation of the solute and quantitative production of the free base porphyrin. Aggregation of the free base occurs in which the monomer and J aggregates are in fully reversible thermal equilibrium in the ionic liquid. The thermodynamic, kinetic and spectroscopic behaviour ...

Journal: :Structure 2008
Kristin A Krukenberg Friedrich Förster Luke M Rice Andrej Sali David A Agard

Hsp90, an essential eukaryotic chaperone, depends upon its intrinsic ATPase activity for function. Crystal structures of the bacterial Hsp90 homolog, HtpG, and the yeast Hsp90 reveal large domain rearrangements between the nucleotide-free and the nucleotide-bound forms. We used small-angle X-ray scattering and recently developed molecular modeling methods to characterize the solution structure ...

Background One of the requirements of the Osun State smoke-free legislation is to ensure smoke-free enclosed and partially enclosed workplaces. This survey was conducted to assess the knowledge and attitude of workers in indoor bars, beer parlors and discotheques to smoke-free legislation in general and the Osun State smoke-free law in particular.   Methods A convenience sampling of 36 hospital...

2006
Daniel A. Beard Hong Qian

Chemical reaction systems operating in nonequilibrium open-system states arise in a great number of contexts, including the study of living organisms, in which chemical reactions, in general, are far from equilibrium. Here we introduce a theorem that relates forward and reverse fluxes and free energy for any chemical process operating in a steady state. This relationship, which is a generalizat...

Journal: :PLoS ONE 2007
Daniel A. Beard Hong Qian

Chemical reaction systems operating in nonequilibrium open-system states arise in a great number of contexts, including the study of living organisms, in which chemical reactions, in general, are far from equilibrium. Here we introduce a theorem that relates forward and reverse fluxes and free energy for any chemical process operating in a steady state. This relationship, which is a generalizat...

Journal: :Physical Review Special Topics - Accelerators and Beams 2003

Journal: :Magnetic Resonance in Medicine 2002

Journal: :international journal of advanced design and manufacturing technology 0
mohamadmehdi najafzadeh payman shoghi

in this research three-dimensional free vibration analysis of functionally graded circular plate with various boundary conditions is achieved. a semi-analytical method, which makes use of the state space method and the one-dimensional differential quadrature method, is used to obtain the vibration frequencies and dynamic responses of circular plates. numerical results are given to demonstrate t...

Journal: :The Biochemical journal 1974
D F Wilson M Stubbs R L Veech M Erecińska H A Krebs

1. The redox state of cytochrome c, cytochrome a and the mitochondrial NAD couple, and the phosphorylation state of the adenine nucleotides, were measured in suspensions of isolated rat liver cells. 2. The DeltaG for the transfer of two electrons from the mitochondrial NAD to the cytochrome c couple is calculated to be 104kJ (24.8kcal). 3. The DeltaG associated with the synthesis of ATP at the ...

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