synthesis and characterisation of materials based on inorganic

... International Journal of Inorganic Materials 2 (2000) 309–317 Synthesis and characterisation of materials based on inorganic polymers of alumina and silica: sodium polysialate ... selection of typical powder X-ray diffraction patterns and a resonance at 28 ppm which is often attributed to Al of the starting materials and polymers of different com- in 5-fo...

Ngày tải lên: 30/05/2014, 12:08

... region around 525 nm due to the transverse oscillation of electrons and another band in the red- nearinfrared region due to the longitudinal electronic oscillation. In addition, the position of ... collective oscillation of the electrons in the conduction band, known as the surface plasmon oscillation [1,2]. The oscillation frequency is usually in the visible region for gold (and...

Ngày tải lên: 28/03/2014, 13:20

... concentration of mitoDC-81 within mitochondria on incubation of cells with high nanomolar to micromolar concentrations of mitoDC-81. This high local concentration of mitoDC-81 within mitochondria ... mitochondria. Incubations of 6 h with a concentration of 500 l M mitoDC-81 led to extensive alkylation of isolated DNA (Fig. 3), but such long incuba- tion times and high concen...

Ngày tải lên: 20/02/2014, 11:20

... traditional costing problems. It soon claimed its major advantages and overcame limitations of TCA despite of a rising number of questions 13 concerned with adoption and implementation ABC. ... firm into pools, pool of high valuable contribution, pool of low contribution and also pool of no valuable contribution for business activity. By understanding the importance...

Ngày tải lên: 13/03/2014, 14:20

... cluster of aromatic residues consisting of Trp344, from one of the four Kv1.2 a-subunits, and Trp345 and Tyr355 of an adjacent a-subunit. The phenol ring of Tyr35 additionally forms an hydrogen bond ... the recognition, interaction and correct positioning of Pi4 on the Kv1.2 channels, and then a tighter interaction takes place through both hydrophobic forces and hydrog...

Ngày tải lên: 17/03/2014, 10:20

... temperature of 160 8C and with growth time of 3 h. (a) TEM image and the associated selected area electron diffraction of TiO 2 nanorods; (b) lattice fringes image of high-resolution TEM of one single ... absorption at l max =600nm for methyl blue). 3. Results and discussion 3.1. Morphology and crystal structure of TNAs Modification of the substrate has strong impact on...

Ngày tải lên: 19/03/2014, 16:48

... in-plane deformation vibration of NH + which is formed on the PPy chains by protonation at 11 0 1 cm − 1 [16],C–H out -of- plane ring de- formation vibration at 795 cm − 1 and the C–C out -of- plane ring ... into the homogeneous solution and sonicated for 1 h. 1 mL pyrrole monomer was added to the suspension and stirred for 30 min. 5 m L deionized water containing 3.51 g ammonium pe...

Ngày tải lên: 20/03/2014, 13:08

... transmembrane topology of presenilin based on reconciling experimental and computational evidence Anna Henricson, Lukas Ka ¨ ll and Erik L. L. Sonnhammer Center for Genomics and Bioinformatics, ... that HRI–VI are indeed TM regions [18–24]. A majority of models agree on the localization of the N-terminus and the loops between HRI and HRVI [18,21–24]. Only one model sugge...

Ngày tải lên: 23/03/2014, 13:20

... of Proximal and Structural Text Retrieval Based on Region Algebra Katsuya Masuda Department of Computer Science, Graduate School of Information Science and Technology, University of Tokyo, Hongo ... retrieve because of lack of robustness, and the relevant answers that a non-structured model fails because of lack of structural specification. We report how structural sp...

Ngày tải lên: 31/03/2014, 03:20

... composites, and biomedical materials by means of electron and atomic force microscopy. His special field of interest is the study of toughness enhancement and of the mechanisms of deformation and fracture ... symposia and workshops on electron microscopy in materials science and ultramicrotomy in materials science and several major international meetings. His wo...

Ngày tải lên: 04/06/2014, 14:26