نتایج جستجو برای: hafnia alvei
تعداد نتایج: 509 فیلتر نتایج به سال:
Surface proteins called intimins (Int), which are homologous to the invasin protein (Inv) of Yersinia spp., play a role in inducing brush border damage, termed attachment and effacement, which follows infection by enteropathogenic and enterohemorrhagic Escherichia coli, Citrobacterfreundii biotype 4280, and Hafnia alvei. Maltose-binding protein (MBP) fusions containing the C-terminal 280 amino ...
Phytases hydrolyse phytate (myo-inositol hexakisphosphate), the principal form of phosphate stored in plant seeds to produce phosphate and lower phosphorylated myo-inositols. They are used extensively in the feed industry, and have been characterised biochemically and structurally with a number of structures in the PDB. They are divided into four distinct families: histidine acid phosphatases (...
Aspartase is a textbook example of a highly specific enzyme with no identifiable alternative substrates. The enzyme is specific to aspartate and fumarate, but NH2OH can be substituted for ammonia as a substrate. A variety of divalent metal ions a such as Mg, Mn, Zn and Co activate the reaction. Initial velocity data for the aspartase from Hafnia alvei are consistent with rapid equilibrium order...
Zirconia ZrO2 and hafnia HfO2 are leading candidates for replacing SiO2 as the gate insulator in complementary metal-oxide semiconductor technology. Amorphous versions of these materials a-ZrO2 and a-HfO2 can be grown as metastable phases on top of a silicon buffer; while they tend to recrystallize during subsequent annealing steps, they would otherwise be of considerable interest because of th...
The synthesis of nanoparticles from biological processes is evolving a new era of research interests in nanotechnology. The aim of this study was to determined antibacterial activity of silver nanoparticles produced by Rosmarinus officinalis L leaf extract against some human pathogenic bacteria. The formation and characterisation of AgNPs were confirmed by UV-Vis spectroscopy, energy-dispersive...
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