V-Zn without a H is a double acceptor

and V-Zn containing one H, i.e., 1(O-H)-V-Zn complex, is a single acceptor. In ZnO with 2(O-H)-V-Zn complexes the Fermi level is located at the top of the valence band. A donor level is formed by the 3(O-H)-V-Zn and 4(O-H)-V-Zn complexes. Two of the H atoms in 2(O-H)-V-Zn, 3(O-H)-V-Zn, and 4(O-H)-V-Zn complexes do not contribute to free carrier concentration and will cause discrepancy in the free electron and H concentrations. The influence of the complexes on the electrical and optical properties of ZnO is discussed.”
“Fresh AZD7762 in vitro autologous tunica vaginalis was experimentally used for partial substitution of the excised urinary bladder wall in ten male mongrel dogs. The substituted areas of two dogs were examined macroscopically and histologically at 2, 4, 6, 8, and 10 weeks after surgery. Two control dogs underwent partial cystectomy and primary wall closure without substitution. www.selleckchem.com/Caspase.html The regenerated transitional epithelium completely covered the substituted portion and smooth muscle

regeneration was present at 6 weeks. The bladder walls at the closure area of one control dog and at the substituted portions of two dogs at 10 weeks were indistinguishable macroscopically from the native bladder with all layers of the bladder wall present histologically. According to the macroscopic and histological findings and simplicity of the technique, tunica vaginalis can be used as an alternative graft for bladder wall substitution. Calcification and bone metaplasia observed were similar to those found after using other tissue grafts. (C) 2010 Elsevier Ltd. All rights reserved.”
“Nanostructure

of water-soluble pectin (WSP) and chelate-soluble pectin (CSP) of two Chinese cherry (Prunus pseudocerasus L.) cultivars (soft cultivar Caode’ and crisp cultivar Bende’) with two different ripening stages were characterised using atomic force microscopy. Both cultivars shared some common values of chain widths for WSP or CSP, and both pectins shared several values of chain widths including 37, 55 and 61nm. The results indicate that different cultivars shared similar components of pectin, QNZ mw and cultivar textural difference might be related to the interaction between pectin and other cherry components or the dissociation of pectin. During ripening, the wide WSP and CSP gradually dissociate in width. The results demonstrated that the changes of WSP and CSP of Chinese cherry in widths were a dissociation process.”
“Nanoporous alumina thin films were fabricated via an electrochemical anodization process and utilized as patterning masks for a plasma etching process to convert nanohole patterns as photonic crystal slabs to the surfaces of GaAs and GaN semiconducting materials. The nanostructural GaAs and GaN surfaces enhance the light extraction of the photoluminescence spectra at wavelengths of 857 and 456 nm, respectively.