By ST u’ iIsLAw SZMIGIELSKI AND JOANNA Ln’w T HE PHYSIOLOGIC and biochemical role of zinc (Zn), as a cofactor of many important enzymes ( carboxypeptidase, dehydrogenases, alkaline phosphate, carboanhydrase) is now well established, but our present knowledge of zinc metabolism and transport in the human body is still incomplete. Vallee1 estimated Zn content in whole blood at 880 gamma/100 ml. H...

By ST u’ iIsLAw SZMIGIELSKI AND JOANNA Ln’w T HE PHYSIOLOGIC and biochemical role of zinc (Zn), as a cofactor of many important enzymes ( carboxypeptidase, dehydrogenases, alkaline phosphate, carboanhydrase) is now well established, but our present knowledge of zinc metabolism and transport in the human body is still incomplete. Vallee1 estimated Zn content in whole blood at 880 gamma/100 ml. H...

The effectiveness of the immunohistochemical method in determining Cu/Zn SOD concentrations in red blood cells of dairy cattle and farm-raised deer was evaluated by a computer-assisted analysis of microscopic images and scanning technique. Superoxide dismutase (Cu/Zn SOD) concentrations in erythrocytes were determined in smears of whole blood samples collected from 16 Polish Holstein-Friesian c...

We report the fabrication and improved properties of crosslinked polyarylene ether nitrile (CPEN) interpenetrating with a zinc ion bridged graphene sheet (GS) and carbon nanotube (CNT) network (GS-Zn-CNT) (CPEN/GS-Zn-CNT). Graphene oxide (GO) and acidulated CNT were firstly prepared and then coordinated with zinc ions to form the zinc ion bridged GO and CNT network (GO-Zn-CNT). The mass ratio o...

We report a high-resolution gas-phase UPS spectrum of zinc phthalocyanine (ZnPc) together with a detailed analysis of the vibronic structure of the first ionization band, showing that presents the lowest value of the intramolecular reorganization energy experimentally reported for a molecular organic semiconductor.

Serum levels of vitamin A (VA) and zinc of sixty-one randomly selected preschool children aged 4 to 60 months from Sokoto in the Northwestern Nigeria were investigated. The serum VA was assayed spectrophotometrically by ultraviolet irradiation method while Zn level was determined using atomic absorption spectrophotometer (AAS). The results obtained were analysed by correlation and regression me...

The region of the Au-Zn phase diagram encompassing γ-brass-type phases has been studied experimentally from 45 to 85 atom % Zn. The γ phases were obtained directly from the pure elements by heating to 680 °C in evacuated silica tubes, followed by annealing at 300 °C. Powder X-ray and single-crystal diffraction studies show that γ-"Au(5)Zn(8)" phases adopt a rhombohedrally distorted Cr(5)Al(8) s...

There is a well-known sequence of constants cn describing the growth of supercritical Galton-Watson processes Zn . With “lower deviation probabilities” we refer to P(Zn = kn) with kn = o(cn) as n increases. We give a detailed picture of the asymptotic behavior of such lower deviation probabilities. This complements and corrects results known from the literature concerning special cases. Knowled...

By ST u’ iIsLAw SZMIGIELSKI AND JOANNA Ln’w T HE PHYSIOLOGIC and biochemical role of zinc (Zn), as a cofactor of many important enzymes ( carboxypeptidase, dehydrogenases, alkaline phosphate, carboanhydrase) is now well established, but our present knowledge of zinc metabolism and transport in the human body is still incomplete. Vallee1 estimated Zn content in whole blood at 880 gamma/100 ml. H...

Applying a wavelet analysis based on the Morlet mother function, we previously demonstrated the presence of both Al and Zn atoms in the first metal shell (r ≈ 3 Å from the central Zn atom) of Zn-Al layered double hydroxide (LDH). However, this approach was not suited to resolve the second and third metal shells (r ≈ 5 6 Å) in r and k space independently. Therefore, we developed a new FEFF-Morle...