Báo cáo hóa học: " Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers" pdf

... NANO EXPRESS Open Access Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers Shao-Min Zhou * , Shi-Yun Lou, ... Size, morphology, component, and structure of the as-made samples have been confirmed by several techniques, and nanochains (NCs) with diameter of approximately 60 nm...

Ngày tải lên: 21/06/2014, 04:20

Ngày tải lên: 21/06/2014, 08:20

... were stopped with addition of 10 lL10% aqueous trifluoroacetic acid and immediately injected onto RP-HPLC and fractions collected were collected and analyzed with ESI and MALDI-MS. Chemical reduction The ... a- D -Gal-(1fi3)-a- D - GalNAc. Keywords: Conus textile; glycopeptide synthesis. The diverse array of peptides isolated from the venom of cone snails are known collect...

Ngày tải lên: 23/03/2014, 13:20

... carried out in accordance with the Declaration of Helsinki of the World Medical Associa- tion (2000) and approved by the Ethics Committee of the participating hospital. Informed consent was obtained ... levels within the first 24 hours was corre- lated with lower serum levels of MMP-9 at 24 hours. Accordingly, we postulate that greater expression of neu- roserpin in the brain...

Ngày tải lên: 20/06/2014, 03:20

... repartition between the core and the surface. According to Wil- liams and Nason [26], the surface composition of the liquid and solid phase are given by: ⎧ ⎪ ⎪ ⎪ ⎪ ⎨ ⎪ ⎪ ⎪ ⎪ ⎩ x surface solidus =  x solidus  1 ... deformed compared to the core. At a given temperature, the liquidus and soli- dus curves of the surface are enriched in Pd compared to the core; meaning that th...

Ngày tải lên: 21/06/2014, 03:20

... 10 -3 Pa and flushed with pure Ar two times to remove oxygen. Then, a mixture of pure nitrogen and Ar was flushed in as reaction gas with a pressure of 10 5 Pa. The ratio of partial pressure of N 2 used ... The phase composition and chemical composition of the samples have been detected by X-ray diffraction (XRD; D8-ADVANCE) and energy-dispersive X-ray spectro- scopy (...

Ngày tải lên: 21/06/2014, 08:20

... channels of the polystyrene matrix and their further growth is inhibited. On the other hand, WAC composites contain two distinct phases of Nickel and Nickel oxide. Comparison of the structural and magnetic properties ... nanocomposites. The crystal- linity and magnetic characteristics are modified by repeating the loading reduction cycle. The effect of cycling on the st...

Ngày tải lên: 21/06/2014, 18:20

... 5.8 Tobacco Consumption No tobacco consumption 857 80.8 Tobacco Consumption: 1–9 items per day 110 10.4 Tobacco Consumption: ≥ 10 items per day 93 8.8 Alcohol Consumption No alcohol consumption ... asked about their consumption of illegal drugs, alco- hol, tobacco and narcotics. It was found that 86.8% of the men and 79.1% of the women drank alcohol during this period [23]. Accordin...

Ngày tải lên: 20/06/2014, 00:20

... one country and at least one other author from a second country. A matrix with all participant countries was computed with special software and filled with the appropriate values for the cooperation ... Greyscale and size of bars encode the number of bilateral cooperations. Scutaru et al . Journal of Occupational Medicine and Toxicology 2010, 5:2 http://www.occup-med.com/c...

Ngày tải lên: 20/06/2014, 00:20

... associate certain rules and content with affinity groups–groups of people associated within a semiotic domain. These individuals share a community of practices, a set of common goals, and subscribe to common ... traits and history. Their identity reflects their ways of acting, interacting, symbols, and so forth. This event becomes a certain means of understanding, construc...

Ngày tải lên: 20/06/2014, 01:20