نتایج جستجو برای: metallic ions
تعداد نتایج: 173713 فیلتر نتایج به سال:
The need for additional study on the specific relation between metallic ions and metabolic function, especially in the case of the diphosphopyridine nucleotide oxidase system, has been expressed by Mahler (1) and others. This is particularly indicated in view of the fact that a number of the known components of this system contain iron. While it is broadly concluded that iron compounds facilita...
The need for additional study on the specific relation between metallic ions and metabolic function, especially in the case of the diphosphopyridine nucleotide oxidase system, has been expressed by Mahler (1) and others. This is particularly indicated in view of the fact that a number of the known components of this system contain iron. While it is broadly concluded that iron compounds facilita...
The impact of cation distribution on electronic structure and magnetic properties is investigated by the first-principle calculation. The structure optimization is based on generalized gradient approximation GGA exchange-correlation and projector augmented wave method. The optimized structures of inverse and normal copper ferrite are tetragonal c /a=1.06 and cubic, respectively. The optimized s...
Germanium- and tellurium-based glasses have been largely studied due to their recognized potential for photonics. In this paper, we review our recent studies that include the investigation of the Stokes and anti-Stokes photoluminescence (PL) in different glass systems containing metallic and semiconductor nanoparticles (NPs). In the case of the samples with metallic NPs, the enhanced PL was att...
In clinical medicine metallic silver is used as anti-bacterial coating on various catheters, bandages and prostheses. By means of dissolucytosis, i.e. extracellular macrophage-mediated bio-liberation of metal ions, silver ions are continuously liberated from silver surfaces starting within minutes of exposure. The present study investigates how bio-liberation and subsequent cellular uptake of s...
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