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Formation of silicon oxide nanowires directly from au si and pd–au si substrates

Formation of silicon oxide nanowires directly from au si and pd–au si substrates

Formation of silicon oxide nanowires directly from au si and pd–au si substrates

... above the pure Au MP of 1063 1C, we carriedout thermal heating of Au/ Si and Pd Au/ Si substrates at1100 1C. Fig. 4 shows FE-SEM images of SiOx nanowires grown on Au/ Si and Pd Au/ Si substrates, ... generalmorphologies of the thermally heated Au deposited Si (0 0 1) [Au/ Si] and Pd Au deposited Si (0 0 1) [Pd Au/ Si] substrates in the tube furnace. As shown in Fig. 1(a) ,Au nanoislands with diameters of 10–80 ... 2006AbstractAmorphous silicon oxide (SiOx) nanowires were directly grown by thermal processing of Si substrates. Au and Pd Au thin films withthicknesses of 3 nm deposited on Si (0 0 1) substrates were...
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Báo cáo khoa học: Cupiennin 1a, an antimicrobial peptide from the venom of the neotropical wandering spider Cupiennius salei, also inhibits the formation of nitric oxide by neuronal nitric oxide synthase pptx

Báo cáo khoa học: Cupiennin 1a, an antimicrobial peptide from the venom of the neotropical wandering spider Cupiennius salei, also inhibits the formation of nitric oxide by neuronal nitric oxide synthase pptx

... Separovic4 and John H. Bowie11 Department of Chemistry, The University of Adelaide, Australia2 Institute of Marine Science, Townsville, Queensland, Australia3 Zoological Institute, University of ... by addition of isopropyl thio-b-d-galacto-side (0.1 mm), cells were harvested and lysed by sonication, and CaM was purified from the supernatant using anionexchange and size exclusion chromatography.Samples ... paralysis of prey up toa critical lethal dose [1]. Three classes of moleculescomprise the venom, and can be categorized on thebasis of molecular weights. The first group consists of low molecular...
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Synthesis and photoluminescence property of silicon carbon nanowires synthesized by the thermal evaporation method

Synthesis and photoluminescence property of silicon carbon nanowires synthesized by the thermal evaporation method

... show that the elasticity and strength of SiC nanowires areconsiderably greater than those of SiC whiskers and bulk SiC.A variety of methods on the synthesis of SiC nanowires havebeen developed, ... cost of either high pure and expensive carbon nanotube or thehazardous and easily explosive silicon (carbon) precursor of SiH4or SiCl4(CH4). In addition, the synthesized products were of ... to the standard SiC and SiO2.The small quantity of oxygen may come from the resident oxide layer. The IR spectrum of the as-synthesized SiC nanowire samples(Fig. 7) also showsb-SiC characteristic...
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one - pot facile synthesis of iron oxide nanowires as high capacity anode

one - pot facile synthesis of iron oxide nanowires as high capacity anode

... Page 10 of 14Accepted Manuscript 10Caption of figures Fig. 1. X-ray diffraction pattern of alpha phase iron oxide nanowires. Fig. 2. SEM and TEM Images of Fe2O3 nanowires and precursors. ... Superconducting and Electronic Materials, School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, NSW 2522, Australia Abstract Alpha-Fe2O3 nanowires were synthesized ... decomposition. For the one-dimensional Fe2O3 nanowires, the high surface energy causes irreversible capacity loss by decomposing the electrolyte. The SEI layer could cover the reactive sites and...
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Tài liệu Báo cáo Y học: Interaction of decorin with CNBr peptides from collagens I and II Evidence for multiple binding sites and essential lysyl residues in collagen pot

Tài liệu Báo cáo Y học: Interaction of decorin with CNBr peptides from collagens I and II Evidence for multiple binding sites and essential lysyl residues in collagen pot

... core and to localize at d and e bands of the c ollagen fibril banding pattern. Using a s olid-phaseassay, we have determined the interaction of peptidesderived by C NBr c leavage of t ype I and ... fibrils. Twochemical derivatives of collagens and of positive peptideswere prepared by N-acetylation and N-methylation of theprimary amino group of Lys/Hyl side chains. Chemicalmodifications ... volumeratio and the side c hains o f a ll X and Y r esidues a reaccessible by the solvent, X more than Y positions [5]. Thesegeometric and molecular aspects determine the ability of many collagen...
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Silicon carbide nanowires synthesized with phenolic resin and silicon powders

Silicon carbide nanowires synthesized with phenolic resin and silicon powders

... space, and the slow-cooling rate are key factors for the formation of b-SiC nanowires. This paper proposed a method to synthesize SiC nanowires with phenolic resin and silicon powders without using ... Silicon carbide nanowires synthesized with phenolic resin and silicon powdersHongsheng ZhaoÃ, Limin Shi, Ziqiang Li, Chunhe TangDivision of New Materials, Institute of Nuclear and New ... growth direction. Both of thebamboo-like SiC nanowires and spindle SiC nanochains exhibit uniform periodic structures. Thebamboo-like SiC nanowires consist of amorphous stem and single-crystal knots,...
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Báo cáo khoa học: Comparison of functional properties of two fungal antifreeze proteins from Antarctomyces psychrotrophicus and Typhula ishikariensis ppt

Báo cáo khoa học: Comparison of functional properties of two fungal antifreeze proteins from Antarctomyces psychrotrophicus and Typhula ishikariensis ppt

... of ascomycetes and basidio-mycetes and one pseudofungal taxon of oomycetes.Among them, AFP was only identified in the basid-iomycetes Coprinus psychromorbidus [15] and Typhu-la ishikariensis ... Alignment of the N-terminal sequences of AnpAFP withthose of three TisAFP isoforms. The 10th residue from the N-termi-nus of AnpAFP (marked X) could not be conclusively identifiedusing Edman ... blue and yellow residues of AnpAFPwere present in all TisAFP sequences, and the green residues wereidentified in some sequences. (B) Comparison of the amino acidcomposition of AnpAFP and TisAFP...
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Báo cáo Y học: Bromoperoxidase activity of vanadate-substituted acid phosphatases from Shigella flexneri and Salmonella enterica ser. typhimurium doc

Báo cáo Y học: Bromoperoxidase activity of vanadate-substituted acid phosphatases from Shigella flexneri and Salmonella enterica ser. typhimurium doc

... Molecular Chemistry, University of Amsterdam, The Netherlands;2Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Medical School and College of Biological Sciences, ... data acquisition and evaluation.RESULTS AND DISCUSSIONExpression of recombinant acid phosphatases inE. coliThe similarity in the active-site structures of vanadiumhaloperoxidases and class ... cloning of phoN between NdeIandHindIIIsites of pET3a. The construct was transformed into theT7 polymerase-expressing strain BL21(DE3). PhoN-SfFig. 1. Structure of the active site of (A) vanadium...
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Báo cáo Y học: Myristyl and palmityl acylation of pI 5.1 carboxylesterase from porcine intestine and liver Tissue and subcellular distribution potx

Báo cáo Y học: Myristyl and palmityl acylation of pI 5.1 carboxylesterase from porcine intestine and liver Tissue and subcellular distribution potx

... homogeneity and found to consist of asingle isoform with a pI of 5.1, based on isoelectricfocusing data [7]. The amino-acid sequence deduced from the cloned cDNA consisted of 565 residues and showed97% ... immunoblotanalysis using the puri®ed polyclonal a nti-PICE Ig yielded asingle band at 60 kDa. The highest level of activity wasobserved in the microsomal and soluble fractions, whichyielded 41% and 32% of ... al.[7].Asinglemolecular form (F4) was obtained, which showed thepresence of a single 60-kDa band with a pI value of 5.1 uponSDS/PAGE analysis under reducing and nonreducingconditions and isoelectric...
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Si nanowires grown from silicon oxide

Si nanowires grown from silicon oxide

... decompositions of silicon oxide at the rela-tively low temperature of 9308C as shown below. Si O™ Si qSiO x)1Ž.xxy1 and 2SiO™ SiqSiO .2These decompositions result in the precipitation of silicon ... substrate. Si nanoparticles were precipitated and surrounded by shells of silicon oxide. The Si nanowire nucleus consisted of a polycrystalline Si core with a high density of defects and a silicon oxide ... the diameter of the nanowire 10 .In the present experiment, the vapor materials gener-ated from the mixture of silicon and SiO at 12008C2consisted mainly of SiO, with little silicon. This...
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