Báo cáo hóa học: " Preparation and characterization of superhydrophobic surfaces based on hexamethyldisilazane-modified nanoporous alumina" pptx

... applications. Additional material Additional file 1: Water contact angles on alumina surfaces. Contact angles of the water droplets on HMDS-modified thin film and nanoporous alumina surfaces. Acknowledgements This ... contact angles on nanoporous alumina. AK and CE participated in the design of the study and coordination of the work. All authors contributed to interpr...

Ngày tải lên: 21/06/2014, 01:20

... distribution is broad, and an accurate control of the concentration is difficult. Considering reports of two-step nanofluid formation, there are many accounts of Al 2 O 3 nanofluid preparation using ... the addition of such addi- tives. However, a disadvantage of the one-step method is that preparation conditions influence the size, shape and concentration of nanoparticles...

Ngày tải lên: 21/06/2014, 04:20

... China Authors’ contributions SZ participated in the materials preparation, data analysis and drafted the manuscript. WW, XX and JZ participated in the sample characterization. FR conceived and co-wrote ... PO 4 3- anions will adsorb onto the crystal planes parallel to the c-axi s of a-F e 2 O 3 , which causes the growing of the a-Fe 2 O 3 NPsalongthec-axisdirectionandpromotes the...

Ngày tải lên: 21/06/2014, 06:20

... experimental conditions for the silica coating on the surface of Fe 3 O 4 nanoparticles, such as the ratio of water to surfactant (R), the amount of ammonia, and the amount of tetraethoxysi- lane, on the ... modification of QDs and MPs with silica has led to improved stability, lower toxicity, and higher biocompatibility, and protection of the QDs against corrosion by t...

Ngày tải lên: 21/06/2014, 20:20

... a reliable one for biologic sample preparation. Characterization of Bare Gold, MHA Film and Protein Monolayer The contact angles of the bare gold surface and the MHA film were determined to be 58° and ... nanometer resolution. Here, we present the method of preparation and fabri- cation of rat anti-human IgG protein layer on MHA-mod- ified gold substrate, as well as its...

Ngày tải lên: 22/06/2014, 00:20

... dispersion component mainly consists of London and dispersive interactions, induction (Debye) and orien- tation interactions, while the polar interactions mainly due to the hydrogen bonding [13]. ... times magnification, (E and F) SEM of ball milled fly ash for 40 h at 1,000 and 3,000 times magnification, (G and H) SEM of ball milled fly ash for 60 h at 1,000 and 3,000 times mag...

Ngày tải lên: 22/06/2014, 18:20

... fraction 25 qC 40 qC 50 qC b Figure 6 Thermal conductivity of nanofluids: (a) Variation of thermal conductivity of nanofluids at 25°C with mass fraction of nanoparticles; (b) variation of thermal ... silicon oil, hydrocarbon fuels, and some organic solutions are used as the base fluids for studying nanoflu ids. The dis- persion and thermal conductivities of the oil -based...

Ngày tải lên: 21/06/2014, 03:20

... four Graphic representation of the conceptual characterization of the modelFigure 1 Graphic representation of the conceptual characterization of the model. UNDER- CHALLENGED Lack of Development ... Monotony and boredom The prevailing detachment and lack of personal develop- ment in this profile is accompanied by a type of distress caused by boredom and the la...

Ngày tải lên: 20/06/2014, 00:20

... preparation) and the pelleted fraction, after solubilization and renaturation (see Methods), called IB preparation. The S and IB preparations were fract- ionated in parallel by size exclusion chromatography followed ... from the IB preparation; lane 4, geodin purified from the S preparation. A B C D Fig. 2. Gel filtration on Superdex G-75 of the proteins from the S preparation...

Ngày tải lên: 30/03/2014, 15:20

... autofluorescent protein in the intergenic E/NS1 region of YF 17D virus. The meth- odology is based on the duplication and fusion of the functional motifs flanking the E and NS1 intergenic region ... RNA replica- tion and applications of Kunjin replicons. Adv Virus Res 2003, 59:99-140. 18. Jones CT, Patkar CG, Kuhn RJ: Construction and applications of yellow fever virus rep...

Ngày tải lên: 20/06/2014, 01:20