No abstract

Neodymium-titania/silica films were prepared by the sol-gel method with the addition of various amounts of hydroxy propyl cellulose (HPC) and 5.09 × 10 −5 g g −1 solution of carboxy methyl cellulose (CMC) in saturated conditions. The porous Nd-TiO 2 /SiO 2 was obtained after heat treatment for 2 h at 500 • C, with the surface area up to 276 m 2 g −1 , which was measured using the Brunauer, Emmett, and Teller (BET) method. Scanning electron microscopy (SEM) showed that the particle size of Nd-TiO 2 /SiO 2 decreased and the microstructure of the film became loose in suitable conditions with the addition of CMC to HPC. Subsequently, the photocatalytic activity of Nd-TiO 2 /SiO 2 film under visible light irradiation was achieved to an optimum when the concentrations became 3.825 × 10 −3 and 5.09 × 10 −5 g g −1 sol. for HPC and CMC, respectively.

This an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

No abstract

Background: The importance of determination of haematological reference values cannot be overemphasized as the changes in some of the blood cell parameters are of clinical importance. The study aimed at determining the haematological reference values in healthy neonates delivered within 24 hours. Materials and Methods: The study was conducted on 72 healthy, full term neonates (30 males and 42 females) delivered within 24 hours between July