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-fold coordination with ... that theresonances progressively decreases over the ﬁrst 7 h of the reaction does not involve signiﬁcant dissolution of Al fromreaction, as the silicate is consumed by the formation of the solid...

Báo cáo " Synthesis and characterisation of metallic nanoparticles " ppt

... 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 silver) giving ... silver) giving rise to the strong surface plasmon resonance absorption. The plasmon resonance absorption has an absorption coefficient orders of magnitude larger than strongly absorbing dyes, leading...

Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc

... concentration of mitoDC-81 within mitochondria on incubation of cells with highnanomolar to micromolar concentrations of mitoDC-81. This highlocal concentration of mitoDC-81 within mitochondria ... mitochondria. Incubations of 6 h with aconcentration of 500 lMmitoDC-81 led to extensivealkylation of isolated DNA (Fig. 3), but such long incuba-tion times and high concentrations of mitoDC-81 ... beforemitochondrial oxygen consumption was measured. None of the individual clones (n ¼ 24) that were analysed hadimpaired mitochondrial respiration. This lack of detection of q° clones was not...

the impact and importance of activity based costing on financial performance of manufacturing firm

... 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 of each activity, ... opinion of respondents about factors that affect of Activity Based Costing system on Financial Performance 42 Figure 4.4 Component bar charts showing the response of yes and no for in questionnaire...

Báo cáo khoa học: Synthesis and characterization of Pi4, a scorpion toxin from Pandinus imperator that acts on K+ channels doc

... 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 ... therecognition, interaction and correct positioning of Pi4 on the Kv1.2 channels, and then a tighter interaction takesplace through both hydrophobic forces and hydrogenbonding between Tyr35 (dyad) and ... &Fig. 8. Functional map of Pi4 towards rat Kv1.2 channel, and comparison with that of Pi1. Functional maps of Pi4 [1] and Pi1 [5–7] (A and B,respectively). The structures of scorpion toxins are...

hydrothermal synthesis and characterization of tio2 nanorod arrays on glass substrates

... temperature of 160 8C and with growth time of 3 h. (a) TEM image and the associated selected area electrondiffraction of TiO2nanorods; (b) lattice fringes image of high-resolution TEM of onesingle ... absorption atlmax=600nm formethyl blue).3. Results and discussion3.1. Morphology and crystal structure of TNAsModiﬁcation of the substrate has strong impact on themorphology and alignment ... hydrothermal preparationconditions. The structure of rutile consists of chains of TiO6octahedra along the c-axis [23]. The TiO6octahedra in the chainconnect through one shared edge, while...

synthesis and characterization of novel ferromagnetic ppy-based nanocomposite

... in-plane deformation vibration of NH+which is formed on thePPy 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 thesuspension and stirred for 30 min. 5 m L deionized water containing3.51 g ammonium persulfate was then ... structureprovide a new functional hybrid between organic and inorganic materials. In recent years, conducting polymer -based compositescontaining magnetic nanoparticles are of special interesting due...

Báo cáo khoa học: A novel transmembrane topology of presenilin based on reconciling experimental and computational evidence pptx

... transmembrane topology of presenilin based on reconciling experimental and computational evidenceAnna Henricson, Lukas Ka¨ll and Erik L. L. SonnhammerCenter for Genomics and Bioinformatics, ... that HRI–VI are indeed TM regions [18–24]. Amajority of models agree on the localization of theN-terminus and the loops between HRI and HRVI[18,21–24]. Only one model suggests that the N-termi-nus ... to opposite localization of the loops between HRI and HRVI compared to the other models. Accumula-tions of contradictory results are found in the C-ter-minal part, and consequently several models...

Báo cáo khoa học: "A Ranking Model of Proximal and Structural Text Retrieval Based on Region Algebra" ppt

... of Proximal and Structural Text Retrieval Based on Region AlgebraKatsuya MasudaDepartment 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 modelfails because of lack of structural speciﬁcation. Wereport how structural speciﬁcation works and how itdoesn’t ... combination of the measure of thequery itself and the measure of the subqueries. Al-though we calculate the score of extents by sub-queries instead of using only the whole query, thescore of subqueries...

mechanical properties of polymers based on nanostructure and morphology, 2005, p.738

... 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. Hiswork has been awarded with the Alexander von ... work on crystalli-zation and morphology of synthetic polymers. In 1962 he receiveda Ph.D. in physics at the University of Bristol. In 1963 he wasappointed adjoint professor of electricity and...

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