نتایج جستجو برای: dppa
تعداد نتایج: 92 فیلتر نتایج به سال:
this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...
In this study, we show that the dppBCDF operon of Pseudomonas aeruginosa PA14 encodes an ABC transporter responsible for the utilization of di/tripeptides. The substrate specificity of ABC transporters is determined by its associated substrate-binding proteins (SBPs). Whereas in E. coli only one protein, DppA, determines the specificity of the transporter, five orthologous SBPs, DppA1-A5 are pr...
novel activation antigen on EC. Thy-1 was present on EC in S I ~ U and on the t h e apical surface of cultured EC. Although Thy-1 was expressed constitutively, expression was reduced by serial EC passage. Thy-1 was incrsased 30-fold on DMEC following activation of PKC. however only a 2fold increase was observed on HUVEC, in direct contrast to the effects of PKC activation on adhesion molecule e...
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