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000000508 084__ $$2WoS$$aPhysics, Atomic, Molecular & Chemical
000000508 1001_ $$0P:(DE-Juel1)VDB71338$$aGögelein, C.$$b0$$uFZJ
000000508 245__ $$aA simple patchy colloid model for the phase behavior of lysozyme dispersions
000000508 260__ $$aMelville, NY$$bAmerican Institute of Physics$$c2008
000000508 300__ $$a085102
000000508 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000000508 440_0 $$03145$$aJournal of Chemical Physics$$v129$$x0021-9606
000000508 500__ $$aThis project has been partly supported by the European Commission under the 6<SUP>th</SUP> Framework Program through integrating and strengthening the European Research Area. Contract No. SoftComp, NoE/NMP3-CT-2004-502235.
000000508 520__ $$aWe propose a minimal model for spherical proteins with aeolotopic pair interactions to describe the equilibrium phase behavior of lysozyme. The repulsive screened Coulomb interactions between the particles are taken into account assuming that the net charges are smeared out homogeneously over the spherical protein surfaces. We incorporate attractive surface patches, with the interactions between patches on different spheres modeled by an attractive Yukawa potential. The parameters entering the attractive Yukawa potential part are determined using information on the experimentally accessed gas-liquid-like critical point. The Helmholtz free energy of the fluid and solid phases is calculated using second-order thermodynamic perturbation theory. Our predictions for the solubility curve are in fair agreement with experimental data. In addition, we present new experimental data for the gas-liquid coexistence curves at various salt concentrations and compare these with our model calculations. In agreement with earlier findings, we observe that the strength and the range of the attractive potential part only weakly depend on the salt content.
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000000508 650_2 $$2MeSH$$aAlgorithms
000000508 650_2 $$2MeSH$$aAnimals
000000508 650_2 $$2MeSH$$aBiophysics: methods
000000508 650_2 $$2MeSH$$aChemistry, Physical: methods
000000508 650_2 $$2MeSH$$aChickens
000000508 650_2 $$2MeSH$$aColloids: chemistry
000000508 650_2 $$2MeSH$$aEgg Proteins: chemistry
000000508 650_2 $$2MeSH$$aHydrogen-Ion Concentration
000000508 650_2 $$2MeSH$$aModels, Statistical
000000508 650_2 $$2MeSH$$aModels, Theoretical
000000508 650_2 $$2MeSH$$aMuramidase: chemistry
000000508 650_2 $$2MeSH$$aSolubility
000000508 650_2 $$2MeSH$$aSolvents: chemistry
000000508 650_2 $$2MeSH$$aTemperature
000000508 650_2 $$2MeSH$$aThermodynamics
000000508 650_7 $$00$$2NLM Chemicals$$aColloids
000000508 650_7 $$00$$2NLM Chemicals$$aEgg Proteins
000000508 650_7 $$00$$2NLM Chemicals$$aSolvents
000000508 650_7 $$0EC 3.2.1.17$$2NLM Chemicals$$aMuramidase
000000508 650_7 $$2WoSType$$aJ
000000508 7001_ $$0P:(DE-Juel1)130858$$aNägele, G.$$b1$$uFZJ
000000508 7001_ $$0P:(DE-Juel1)VDB10252$$aTuinier, R.$$b2$$uFZJ
000000508 7001_ $$0P:(DE-HGF)0$$aGibaud, T.$$b3
000000508 7001_ $$0P:(DE-HGF)0$$aStradner, A.$$b4
000000508 7001_ $$0P:(DE-HGF)0$$aSchurtenberger, P.$$b5
000000508 773__ $$0PERI:(DE-600)1473050-9$$a10.1063/1.2951987$$gVol. 129, p. 085102$$p085102$$q129<085102$$tThe @journal of chemical physics$$v129$$x0021-9606$$y2008
000000508 8567_ $$uhttp://dx.doi.org/10.1063/1.2951987
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