Synthesis and characterization of new metal carbon catalysts for hydrogenation of d glucose

... SYNTHESIS AND CHARACTERIZATION OF NEW METAL- CARBON CATALYSTS FOR HYDROGENATION OF D- GLUCOSE LIU JIAJIA (M.Eng, Tianjin University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT ... reaction types: i) hydrogenation of aliphatic aldehydes and ketones; ii) hydrogenation of unsaturated aldehydes; iii) hydrogenation of aromatic a...

Ngày tải lên: 11/09/2015, 10:18

... 3:76–81 magnetic nature would be a proper candidate for biological applications Metal-encapsulated carbon nanobeads, a new kind of carbon nanotubes having both defects (by its structure) and magnetic ... easy and large-scale production of CNTs and metal-filled CNTs We have already developed a single-step technique for the synthesis of single-walled carbon nanotubes (S...

Ngày tải lên: 21/06/2014, 22:20

... sub5910 strates of H+ ⁄ peptide cotransporters, such as Gly-Sar, Ala-Ala, Lys-Lys, Ala-Asp, d-Phe-Ala, Ala-Ala-Ala, d-aminolevulinic acid, cefadroxil and Ala-4-nitroanilide (all 100 lm, Table 1) ... UK) Dexamethasone, apotransferrin, Gly-Gln, AlaAla, Ala-Ala-Ala, Lys-Lys, d-aminolevulinic acid, cefadroxil, Gly, Pro-Ala, 8-aminooctanoic acid and Gly-Sar were from Sigma-Aldrich (Deisenho...

Ngày tải lên: 07/03/2014, 05:20

... JW Polypyrrole coated carbon nanotubes: synthesis, characterization, and enhanced electrical properties Synth Met 2007;157:374–9 [38] Guo H, Zhu H, Lin H, Zhang J Polypyrrole- multi-walled carbon ... conductivities and these results may be due to the decrease in the thickness of PPy with the presence of high content of PSS In order to understand the role of PSS during t...

Ngày tải lên: 20/03/2014, 13:08

... (Ag-PAni-PMo12 and Au-PAni-PMo12) and characterization of the formed composites The PMo12 as reagent for simultaneous oxidation of aniline and reduction of metal salts for the synthesis of nanocomposites ... reducing agent for the reduction of metal ions to form metal nanoparticle embedded PAni-PMo12 composite The different stages of synthesis of the compos...

Ngày tải lên: 22/06/2014, 06:20

... 7.45 (4H, t, J = Hz, meta-proton) 13 C NMR δc (d6-DMSO): For 134 Chapter ZnSe & CdSe NPs selenobenzoate ligand: 127 .12 (C2/6 or C3/5), 128 .61 (C2/6 or C3/5), 131 .05 (C4), 142.94 (C1), 201.50 (COSe) ... Experimental d-spacing d-spacinga 3. 659 3. 665 0 3. 611 3. 611 0 3. 460 3. 460 3. 235 3. 239 2 .122 2 .122 2.094 2.086 1.951 1.942 1.809 1.802 2 1.792 1.781 a d-spacing...

Ngày tải lên: 14/09/2015, 08:46

... NPs··················································· IR spectra of TOPO, ZnSe and CdSe NPs··································· 12 4 12 5 12 5 12 6 12 7 12 7 12 7 12 8 12 9 13 0 13 0 13 1 13 2 13 2 13 3 Chapter Figure 9 .1 Figure 9.2 Figure 9.3 Figure ... Powder Diffraction 18 0 12 . 10 Single Crystal X-ray Diffraction 18 0 12 . 11 Scanning Electro...

Ngày tải lên: 14/09/2015, 10:05

... Copper Selenide NPs Synthesis of Cu2-xSe NPs and Microflakes from [(Ph3P)3Cu2(SeC{O}Ph )2] 7.1 Introduction Cu2-xSe is an extrinsic p-type semiconductor with a direct band gap of 2. 2 eV and an ... of solvent on the formation of Cu2-xSe NPs 7 .2 Formation and Characterization of Cu2-xSe NPs and Microflakes 7 .2. 1 HDA and TOP as Surfactants The TEM images of Cu2-...

Ngày tải lên: 14/09/2015, 10:19

... alkylation leading to a depletion of mtDNA in intact cells (Fig 1) Here we report the synthesis and characterization of a novel mitochondria- targeted alkylating reagent and show that it alkylates ... One approach to increase the duration of PNA binding to DNA is to conjugate it to a DNAalkylating reagent so that the PNA becomes covalently bound to its tar...

Ngày tải lên: 20/02/2014, 11:20

... characteristics of the fabricated SiNWs solar cell under dark and light conditions the thickness of Si base substrate more thinly For improvement of conversion efficiency of the SiNWs solar cells, the ... performance Therefore, further reduction of the reflectance will be expected from the optimization of the synthesis conditions of SiNWs For analysis of the electri...

Ngày tải lên: 16/03/2014, 15:12

... the electrical and gas sensing behavior of ZnO nanowires Fig Characteristics of In3 O2 nanowires: (a) SEM image of In3 O2 nanowires, (b) TEM image of nanowire 70 nm in width, and (c) ED pattern ... image of a nanowire, and (e) linescan of the HAADF signal (solid line) and numerical fit of the shape of the nanowire (dashed line) As both composition and phase ca...

Ngày tải lên: 16/03/2014, 15:25

... El Ayeb, M., Rochat, H., Allen, P.D., Pessah, I.N., De Waard, M & Sabatier, J.M (2000) Chemical synthesis and characterization of maurocalcine, a scorpion toxin that activates Ca2+ release channel/ryanodine ... synthesis and characterization of Pi1, a scorpion toxin from Pandinus imperator active on K+ channels Eur J Biochem 267, 5149–5155 Lebrun, B.,...

Ngày tải lên: 17/03/2014, 10:20

... To the best of our knowledge, this is the first time to observe this novel morphological structure of the nanocomposites of rutile nanocrystals and titanate nanotubes Fig XRD patterns of the starting ... large amount of water and hydroxyl groups existed in the tubular products because of the existence of a bending vibration of H O H at 1630 cm−1 , and a strong stretch...

Ngày tải lên: 19/03/2014, 16:48

... agglomerate and form fusiform nanocrystallines Finally, the ␣ -FeOOH Fig The EDS spectra of the as-prepared porous fusiform ␣-Fe2 O3 nanocrystallines 220 X Liu et al / Journal of Alloys and Compounds ... pattern of the rodlike ␣ -FeOOH nanocrystallines taken on a mass of ␣ -FeOOH nanorods reveals the satisfactory crystallinity of the sample, which can be indexed to the...

Ngày tải lên: 19/03/2014, 16:48

... sharp diffraction peaks (Fig 1a) are observed, indicative of high-degree crystallinity On the other hand, the as-synthesized h- WO3 with the NH4 + -based EDTA sample showed broader peaks with ... urchin-like (NH4 + -based EDTA) and (c) JCPDS card # 3 3-1 387, hydrothermally synthesized at 180 ◦ C for h solutions are shown in Fig For the as-synthesized h- WO3 with Na+ -based EDTA...

Ngày tải lên: 19/03/2014, 16:48