High yield synthesis of multi-walled carbon nanotubed from CaCO3 supported iron (III) nitrate catalyst

... (1996) Molecular and phylogenetic characterization of pyruvate and 2-ketoisovalerate ferredoxin oxidoreductases from Pyrococcus furiosus and pyruvate ferredoxin oxidoreductase from Thermotoga ... 505 Pyruvate synthesis by pyruvate oxidoreductase T Ikeda et al Discussion In the present study, we demonstrate that H thermophilus POR catalyzes pyruvate synthes...

Ngày tải lên: 16/02/2014, 09:20

... 2647 Synthesis of UDP-glucuronic acid and UDP-xylose T Oka and Y Jigami Similarly, we assayed UDP-Xyl synthesis by providing UDP-GlcA as substrate and NAD+ as cofactor The cytoplasmic fraction from ... FEBS T Oka and Y Jigami Synthesis of UDP-glucuronic acid and UDP-xylose nucleotides UDP-GlcA and UDP-Xyl, similar to what was done for production of reco...

Ngày tải lên: 07/03/2014, 12:20

... 6E) From these results it can be concluded that tRNAs were bound in classical states with the tRNAMet bound f in the P-sites of the 30S and 50S subunits and the tRNAPhe bound in the A-site of the ... SF and tRNA were added simultaneously to the reaction mixtures, in agreement with the results presented by Wendrich et al [7] tRNA and ribosome-dependent syn...

Ngày tải lên: 07/03/2014, 16:20

... (5) and b-elemene (6) (Fig 1) from the essential oil of C wenyujin GC-MS analysis showed that the six isolated compounds except curcumol (2) were the major components in the essential oil of C wenyujin ... total of mg of curdione (1), mg of curcumol (2), 10 mg of germacrone (3), 18 mg of curzerene (4), mg of 1,8-cineole (5) and 17 mg of b-elemene (6) f...

Ngày tải lên: 07/03/2014, 21:20

... Jon G., and Martin Fridson 1996 “Forecasting Default Rates on High Yield Bonds. ” Journal of Fixed Income Forthcoming Salomon Brothers 1992 High Yield Default Study About the Authors Jean Helwege ... beginning of a year should tell us a considerable amount about the aggregate default rate in that year That is, when the ratings distribution of high yield bonds is...

Ngày tải lên: 15/03/2014, 03:20

... The XRD pattern of the product, given in Fig 2b, is characteristic of cubic silicon with a small impurity of silica Reaction of silicon powder with activated carbon in the absence of H2 , by procedure ... planes of silicon The crystallinity of the nanowires is considerably higher when only argon was used instead of a mixture of argon and hydrogen The role of hydr...

Ngày tải lên: 16/03/2014, 15:04

... sizes of the TiCx particles decrease and the cubic character of the TiC x particles becomes more and more distinct (Figure 2h) In the sample with 70 wt.% Fe, there are many TiCx particles with ... Self-propagating high-temperature synthesis of nano-TiCx particles with different shapes by using carbon nano-tube as C source Nanoscale Research Letters...

Ngày tải lên: 21/06/2014, 00:20

... doi:10.1186/1556-276X-6-431 Cite this article as: Zhang et al.: A Facile Synthesis of Polypyrrole/ Carbon Nanotube Composites with Ultrathin, Uniform and ThicknessTunable Polypyrrole Shells Nanoscale Research Letters ... Endo M, Kim YA, Ezaka M, Osada K, Yanagisawa T, Hayashi T, Terrones M, Dresselhaus MS: Selective and efficient impregnation of metal nanoparticles...

Ngày tải lên: 21/06/2014, 03:20

... Spectroscopy of a Single-Walled Carbon- Nanotube Material Adv Mater 2007, 19:883 doi:10.1186/1556-276X-6-92 Cite this article as: Kumar et al.: Scalable synthesis of aligned carbon nanotubes bundles using ... natural precursor: Eucalyptus oil Mater Lett 2007, 61:3768 16 Suriani AB, Azira AA, Nik SF, Nor RM, Rusop M: Synthesis of vertically aligned carbon nanotu...

Ngày tải lên: 21/06/2014, 06:20

... preparing organic dye-impregnated silica shell-coated iron oxide nanoparticles based on the hydrolysis of HTMOS and TEOS Iron oxide nanoparticles were first coated with a dye-impregnated silica ... representative TEM images of iron oxide nanoparticles and FS6 nanoparticles prepared under different conditions As shown in Fig 2a, the majority of the iron...

Ngày tải lên: 22/06/2014, 01:20

... method of synthesis for the production of MWCNTs or other graphitic nanocarbons Indeed, because of the simplicity and high yield of this route, it may potentially be applied on the scale of industrial ... carbon- coated copper gird A drop of alcohol was first added to the nanofiber film Then, the film was scratched by a pair of tweezers attached to the carbon- coated copper gi...

Ngày tải lên: 22/06/2014, 01:20

... nucleation sites for the growth of carbon nanotubes There could be a further reduction in the catalyst particle size during the hydrogen treatment before the carbon deposition Further, the nickel or ... Dependence of carbon yield on the reaction temperature be through the precipitation of carbon in the form of MWNTs from the molten catalytic particles Th...

Ngày tải lên: 22/06/2014, 22:20

... concentration of the compounds that caused 50% inhibition BHT was used as a positive control Synthesis of Hydroxyl Radical Scavengers 64 RESULTS AND DISCUSSION Synthesis of benzalacetone and its derivatives ... acetone and benzaldehyde and its derivatives.17,18 The structures of benzalacetone and its derivatives are shown in Figure The products of the synt...

Ngày tải lên: 07/08/2014, 14:20

... NATIONAL UNIVERSITY HANOI COLLEGE OF TECHNOLOGY Nguyen Duc Dung HIGH YIELD SYNTHESIS OF MULTI-WALLED CARBON NANOTUBES FROM CaCO3 SUPPORTED IRON (III) NITRATE CATALYST Speciality: Nano Materials ... the relative efficiency of catalysts in terms of carbon deposit and density of CNTs The iron weight content of 1%, 3%, 5%, 7%, 10%, 15%, 20% in CaCO3 + F...

Ngày tải lên: 25/03/2015, 11:57

... development of asymmetric synthesis of furan and oxindole derivatives with tertiary amine thiourea organocatalysts, including enantioselective synthesis of 3(2H)-furanones and 2,3-dihydrofurans with ... ASYMMETRIC SYNTHESIS OF FURAN AND OXINDOLE DERIVATIVES WITH BIFUNCTIONAL AND MULTIFUNCTIONAL ORGANIC CATALYSTS DOU XIAOWEI (B.Sc., Nanjing U...

Ngày tải lên: 10/09/2015, 09:06