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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

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 aldehydes and ketones; iv) sugar hydrogenation; v) ... enantioselective carbonyl hydrogenation; vi) hydrogenation of esters, anhydrides and carboxylic acids The rates of hydrogenation of carbonyl compounds depend on the nature of catalyst, the structure of compounds,...
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Báo cáo hóa học:

Báo cáo hóa học: " Synthesis and Characterization of Magnetic Metal-encapsulated Multi-walled Carbon Nanobeads" doc

... 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 (SWNTs), multi-walled carbon ... Fine powders of alloys, with fresh surfaces, were obtained with several cycles of hydrogen absorption and desorption Synthesis, Characterization and Magnetization Measurements of Metal-Encapsulated...
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Báo cáo khoa học: Synthesis and characterization of a new and radiolabeled high-affinity substrate for H+/peptide cotransporters pdf

Báo cáo khoa học: Synthesis and characterization of a new and radiolabeled high-affinity substrate for H+/peptide cotransporters pdf

... 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 (Deisenhofen, ... reversible, suggesting a competitive mode of action Uptake of Bip-[3H]Pro by SKPT cells After characterization of Bip-Pro as a very high-affinity and enzymatically stable substrate of PEPT1 and PEPT2, the...
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synthesis and characterization of conductive polypyrrole multi-walled carbon

synthesis and characterization of conductive polypyrrole multi-walled carbon

... 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 the formation of PPy/MWCNT ... Controlled synthesis of modification of carbon nanotubes and C60: carbon nanostructures for advanced polymeric composite materials Adv Mater 2001;13:899–913 [7] Kymakis E, Amaratunga GAJ Single-wall carbon...
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Báo cáo hóa học:

Báo cáo hóa học: " Synthesis and Characterization of Metal Nanoparticle Embedded Conducting Polymer–Polyoxometalate Composites" doc

... (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 composites (Steps I and II, Scheme 1) were monitored ... 1); strong absorption bands at 450 and 573 nm due to the excitation of surface plasmon Scheme Schematic representation of the PMo12-mediated synthesis of metal nanoparticle embedded PAni-PMo12 composites...
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Synthesis and characterization of group 11, 12 and 13 metal selenocarboxylates potential single molecular precursors for metal selenide nanocrystals 3

Synthesis and characterization of group 11, 12 and 13 metal selenocarboxylates potential single molecular precursors for metal selenide nanocrystals 3

... 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 of the distinct visible peaks from ... TolC{O}Se-, - 100%), 199 .3 (TolC{O}Se-, 30 %) TGA for one H2O: 3. 75 % (Calc.); 3. 56 % (Obs.) [Cd(SeC{O}Ph)2], 13 The synthesis of 13 is similar to 12 except CdCl2 and [Na+PhC{O}Se–] were used in the...
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Synthesis and characterization of group 11, 12 and 13 metal selenocarboxylates potential single molecular precursors for metal selenide nanocrystals 1

Synthesis and characterization of group 11, 12 and 13 metal selenocarboxylates potential single molecular precursors for metal selenide nanocrystals 1

... 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 Electron Microscope 18 0 12 . 12 TEM 18 0 12 . 13 EDX 18 1 12 . 14 NLO Measurement 18 1 References 18 1 Appendix 18 2 VII Abbreviations ... Group 12 Metal Thio- and Selenocarboxylates 1. 3 .1 Neutral Group 12 Metal Thio- and Selenocarboxylates Containing N-donor Ligands 1. 4 11 Other Metal Thiocarboxylates 1. 4 .1 12 Group 13 Metalloligands...
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Synthesis and characterization of group 11, 12 and 13 metal selenocarboxylates potential single molecular precursors for metal selenide nanocrystals 2

Synthesis and characterization of group 11, 12 and 13 metal selenocarboxylates potential single molecular precursors for metal selenide nanocrystals 2

... 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-xSe NCs obtained from HDA solution ... of Ag2Se nanocubes and examine the roles of parameters critical to the formation of Ag2Se NCs 6 .2 Results and Discussion 6 .2. 1 Formation of Ag2Se NCs from [(Ph3P)3Ag2(SeC{O}Ph )2] Previously, our...
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Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc

Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc

... 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 target sequence To this a DNA alkylating ... molecular mass markers be further accumulated within the mitochondria due to the mitochondrial membrane potential [11] From the known plasma and mitochondrial membrane potentials and the cell and mitochondrial...
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Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application

Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application

... 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 electrical properties, the I–V curve of the fabricated ... difference of the reflectance might be the effect of synthesis conditions, such as thickness of metal film and SiH4 gas flow The reduction of reflectance is very helpful to improve the solar cell performance...
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Synthesis and characterization of semiconducting nanowires for gas sensing

Synthesis and characterization of semiconducting nanowires for gas sensing

... 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 can be considered uniform for the ... useful for investigation of the termination of the nanowire lateral sides and apex Electron diffraction (ED) and analysis of zero-order and higher-order Laue-zones allows precise determination of...
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Báo cáo khoa học: Synthesis and characterization of Pi4, a scorpion toxin from Pandinus imperator that acts on K+ channels doc

Báo cáo khoa học: Synthesis and characterization of Pi4, a scorpion toxin from Pandinus imperator that acts on K+ channels doc

... 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., Romi-Lebrun, R., Martin-Eauclaire, M.-F., Yasuda, A. , ... Functional map of Pi4 towards rat Kv1.2 channel, and comparison with that of Pi1 Functional maps of Pi4 [1] and Pi1 [5–7] (A and B, respectively) The structures of scorpion toxins are shown according...
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facile synthesis and characterization of novel nanocomposites

facile synthesis and characterization of novel nanocomposites

... 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 stretching vibration of O H Fig EDX ... reaction of bulky rutile powders and 10 M NaOH solution without using any templates and catalysts The inner and outer diameters of the nanotubes were approximately and nm, respectively The amount of...
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hydrothermal synthesis and characterization of - feooh and  fe2o3 uniform nanocrystallines

hydrothermal synthesis and characterization of - feooh and fe2o3 uniform nanocrystallines

... 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 pure Fig TEM image of the ... electron microscope images of a typical sample of fusiform ␣-Fe2 O3 nanocrystallines obtained at 140 ◦ C for 24 h and indicate the large quantity and good uniformity ␣-Fe2 O3 nanocrystallines were...
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hydrothermal synthesis and characterization of self - assembled h - wo3

hydrothermal synthesis and characterization of self - assembled h - wo3

... 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, intense and ... bundles and urchin-like structure crystalline hWO3 samples were synthesized through hydrothermal reaction of Na2 WO4 · 2H2 O, HCl and Na+ - or NH4 + -based EDTA salt solutions in the presence of Na2...
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