Experimental mole fraction solubility of lamotrigine(LTG)in ternary aqueous mixtures of two ionic liquids(ILs),1-hexyl and 1-octyl-3-methylimidazolium bromide,[HMIm][Br]and[OMIm][Br]were reported at several temperatur...Experimental mole fraction solubility of lamotrigine(LTG)in ternary aqueous mixtures of two ionic liquids(ILs),1-hexyl and 1-octyl-3-methylimidazolium bromide,[HMIm][Br]and[OMIm][Br]were reported at several temperatures T=(293.15 to 313.15)K.The van’t Hoff and(Jouyban-Acree-van’t Hoff,E-Jouyban-Acree-van’t Hoff,e-NRTL,UNIQUAC and Wilson)models were used to correlate the solubility data.The comparison of the models with temperature and solvent composition dependencies shows that the Wilson model has the minimum ARD which are relatively close to those obtained from Jouyban-Acree-van’t Hoff and E-Jouyban-Acree-van’t Hoff models and maximum ARD belonged to the UNIQUAC model.The order of ARDs for these models is:Wilson b Jouyban-Acree-van’t Hoff,E-Jouyban-Acree-van’t Hoff b e-NRTL b UNIQUAC.Moreover,the apparent thermodynamic functions,Gibbs free energy,enthalpy and entropy of dissolution and mixing were calculated based on the van’t Hoff and Gibbs free energy equations.The strong LTG-ILs interactions and enthalpic contribution of the dissolution process resulted from the calculated thermodynamic functions.展开更多
Gene mutation(e.g.substitution,insertion and deletion)and related phenotype information are important bio-medical knowledge.Many biomedical databases(e.g.OMIM)incorporate such data.However,few studies have examined th...Gene mutation(e.g.substitution,insertion and deletion)and related phenotype information are important bio-medical knowledge.Many biomedical databases(e.g.OMIM)incorporate such data.However,few studies have examined the quality of this data.In the current study,we examined the quality of protein single-point mutations in the OMIM and identified whether the cor-responding reference sequences align with the muta-tion positions.Our results show that close to 20%of mutation data cannot be mapped to a single reference sequence.The failed mappings are caused by position conflict,site shifting(peptide,N-terminal methionine)and other types of data error.We propose a preliminary model to resolve such inconsistency in the OMIM database.展开更多
基金a postdoctorate grant(693118)of Tabriz University of Medical Sciences,Iran for supporting this work.
文摘Experimental mole fraction solubility of lamotrigine(LTG)in ternary aqueous mixtures of two ionic liquids(ILs),1-hexyl and 1-octyl-3-methylimidazolium bromide,[HMIm][Br]and[OMIm][Br]were reported at several temperatures T=(293.15 to 313.15)K.The van’t Hoff and(Jouyban-Acree-van’t Hoff,E-Jouyban-Acree-van’t Hoff,e-NRTL,UNIQUAC and Wilson)models were used to correlate the solubility data.The comparison of the models with temperature and solvent composition dependencies shows that the Wilson model has the minimum ARD which are relatively close to those obtained from Jouyban-Acree-van’t Hoff and E-Jouyban-Acree-van’t Hoff models and maximum ARD belonged to the UNIQUAC model.The order of ARDs for these models is:Wilson b Jouyban-Acree-van’t Hoff,E-Jouyban-Acree-van’t Hoff b e-NRTL b UNIQUAC.Moreover,the apparent thermodynamic functions,Gibbs free energy,enthalpy and entropy of dissolution and mixing were calculated based on the van’t Hoff and Gibbs free energy equations.The strong LTG-ILs interactions and enthalpic contribution of the dissolution process resulted from the calculated thermodynamic functions.
基金supported by grants from the Talents Develop-mental Fund of Shanghai in 2011 to ZF Li and the National High Technology Research and Development Program of China(863 Program)to XY Zhang(Grant Nos.2007AA02Z332 and 2008AA02Z126).
文摘Gene mutation(e.g.substitution,insertion and deletion)and related phenotype information are important bio-medical knowledge.Many biomedical databases(e.g.OMIM)incorporate such data.However,few studies have examined the quality of this data.In the current study,we examined the quality of protein single-point mutations in the OMIM and identified whether the cor-responding reference sequences align with the muta-tion positions.Our results show that close to 20%of mutation data cannot be mapped to a single reference sequence.The failed mappings are caused by position conflict,site shifting(peptide,N-terminal methionine)and other types of data error.We propose a preliminary model to resolve such inconsistency in the OMIM database.
