chemical synthesis of parasitic glycoconjugates and phosphoglycans
Tài liệu Báo cáo Y học: The glucose-specific carrier of the Escherichia coli phosphotransferase system Synthesis of selective inhibitors and inactivation studies pptx
Ngày tải lên :
21/02/2014, 01:21
... pseudosubstrates and as reversible and irreversible inhibitors of EIIGlc and EIIMan Two assays were employed: (a) nonvectorial phosphorylation of Glc (analogues) by solubilized and purified EII and by EII-containing ... 279 ([M + Na]+, 100%) RESULTS Synthesis of inhibitors The synthesis and characterization of compounds 1b, 1d, 1f, 1g and 3b (Scheme 1) is reported for the first time, and the epoxypropyl derivative ... (1982) Synthesis of destomic and epidestomic acid, and their C-6 epimers Carbohydr Res 104, 87–104 30 Johns, B.A., Pan, Y.T., Elbein, A.D & Johnson, C.R (1997) Synthesis and biological evaluation of...
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controlled synthesis of α fe2o3 nanorods and its size dependent optical
Ngày tải lên :
05/05/2014, 15:26
... forces of samples S1, S2, and S3 are 67, 146, and 584 Oe, respectively, indicative of soft magnets The remnant magnetizations of samples S1, S2, and S3 at K are determined to be 0.00007, 0.0024, and ... amount of Na2 SO3 and other kind of inorganic ions were performed Keeping the amounts of FeSO4 and water constant, the molar ratio between FeSO4 and Na2 SO3 varied Fig 3a is the TEM image of the ... simple and versatile approaches to synthesize 1D nanostructures of α-Fe2 O3 that are easily tunable in size, which will then facilitate our understanding of the shape and sizedependent properties of...
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Báo cáo hóa học: " Aqueous-Phase Synthesis of Silver Nanodiscs and Nanorods in Methyl Cellulose Matrix: Photophysical Study and Simulation of UV–Vis Extinction Spectra Using DDA Method" docx
Ngày tải lên :
21/06/2014, 17:20
... and nanodiscs [14, 15] Synthesis of nanostructures via simple wet -chemical method is one of the most favoured routes towards the cost-effective large-scale production of nanobuilding blocks Chemical ... Synthesis of anisotropic metal nanoparticles motivates the development and innovation of theoretical methods for describing the unique properties of these nanoparticles The study of colours of ... nanoparticles, b (i) HR-TEM of red-coloured silver sol and (ii) SAED pattern of the corresponding sol and c (i) HR-TEM of green-coloured silver sol and (ii) SAED pattern of green sol 123 3-3.9 4-4.9...
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Báo cáo hóa học: " Ultra-fast Microwave Synthesis of ZnO Nanowires and their Dynamic Response Toward Hydrogen Gas" docx
Ngày tải lên :
22/06/2014, 00:20
... 10 s a and b 25 s of exposure to microwave; and c ZnO nanopowder in grams quantity Fig a–d Low and high magnification FESEM images of ZnO nanowires Figure 5a illustrates the morphology of a nanowire ... the surface is reduced and so is the width of the depletion region, the energy band bending, and the corresponding energy barrier Consequently, the conduction of the regions of the nanowires near ... represents the (0001) plane of the wurtzite hexagonal ZnO The XRD and FESEM results are in agreement with the TEM analysis Figure shows Zn 2p3/2 and O 1s lines of XPS spectra of ZnO nanowires Charge...
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Báo cáo hóa học: " Synthesis of Porous NiO and ZnO Submicro- and Nanofibers from Electrospun Polymer Fiber Templates" pptx
Ngày tải lên :
22/06/2014, 01:20
... ratios of nickel/oxygen in the NiO fibers and zinc/oxygen in the ZnO fibers are near to the theoretical ratio of NiO and ZnO of 1:1 The XRD patterns of the NiO and ZnO fibers are presented in Fig 5a and ... pressure during removal of the core templates The adoption of high heating rate of 10 K/min results in rapid oxidation of the PAN fiber templates and release of a large amount of gases during short ... range of 20 to 35 nm, and the ZnO submicrofibers are composed of many nanocrystallites with a width of about 65 nm and length of about 200 nm Interestingly, both the NiO and ZnO fibers exhibit...
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Báo cáo hóa học: " Chemical Synthesis of PEDOT–Au Nanocomposite" pptx
Ngày tải lên :
22/06/2014, 18:20
... (311), and (222) planes of the standard cubic phase of Au, respectively As can be seen, the XRD peaks of the nanocrystallites are considerably broadened compared to those of the bulk gold because of ... modes of the C–S bond in the thiophene ring can be seen at 978, 842 and 691 cm–1 The bands at 1,213 and 1,093 cm–1 are assigned to the stretching modes of the ethylenedioxy group, and the band ... incorporation of gold XRD pattern of PEDOT nanoparticle showed the amorphous nature of the material The diffraction features of the Au-incorporated PEDOT shows standard cubic phase of Au The broadening of...
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Báo cáo hóa học: "Single step process for the synthesis of carbon nanotubes and metal/alloy-filled multiwalled carbon nanotubes" docx
Ngày tải lên :
22/06/2014, 22:20
... preparation of hydride catalysts Figure 2b shows the EDX spectra of Nifilled MWNT TEM and HRTEM images of SWNTs obtained at a growth temperature of 950°C are respectively shown in Fig 3a and b It ... MWNTs band), mainly due to defects [20] is also observed Raman spectra for SWNTs show the presence of RBM, at 388.9 cm–1, in addition to the G- and Dbands The increase in the intensity of D-band ... decomposition of methane over Ni–Cu–MgO catalyst [24] Since the morphology of deposited carbon and the methane decomposition rate depend on the structure and nature of the active catalytic sites and the...
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Designation: C 25 – 99 - Chemical Analysis of Limestone, Quicklime, and Hydrated Lime1 pptx
Ngày tải lên :
10/07/2014, 23:20
... Book of ASTM Standards, Vol 03.05 Discontinued 1997; see 1997 Annual Book of ASTM Standards, Vol 03.05 Annual Book of ASTM Standards, Vol 15.05 Available from National Institute of Standards and ... A mass of crucible and sample before heating, g, B mass of crucible and sample after heating at 120°C, g, and C original mass of sample, g 20.6 Precision and Bias—The precision and bias of this ... normality of acid solution, standard HCl used (1.000 N), mL, weight of sample, g, and CaO, g, equivalent to mL of standard acid 100, or mL of standard HCl % CaO if exactly 2.804 g of sample is...
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Báo cáo lâm nghiệp: "Effects of the clear-cutting of a Douglas-fir plantation (Pseudotsuga menziesii F.) on the chemical composition of soil solutions and on the leaching of DOC and ions in drainage waters" pps
Ngày tải lên :
07/08/2014, 16:20
... scenarios and 2) (Tab VIIB) In relative values, at 120 cm, it represented a change of 64, +12, and 18 % for N, K, Ca and Mg respectively for scenario and of 59, +29, +5 and % for N, K, Ca and Mg ... A chrono-sequence of three mono-specic plantations, aged 20, 40 and 60 in 1992, was selected to represent the dynamics of development of the older stand One plot of 0.5 per stand was continuously ... GIPECOFOR and by the GESSOL project of the Ministry in charge of Environment [18] Dambrine E., Bonneau M., Ranger J., Mohamed Ahamed D., Nys C., Gras F., Cycling and budgets of acidity and nutrients...
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Báo cáo khoa học: "Influence of decaying wood on chemical properties of forest floors and surface mineral soils: a pilot study" pptx
Ngày tải lên :
08/08/2014, 19:21
... release and persistence of organic acids (ligands) capable of mobilizing Fe and Al Consequently, the study of relationships between forest floor properties and the degree of development of albic and ... in morphological and chemical properties of forest floor and mineral soil, and each accumulation of DW was examined for the origin (species) and age of decay The objectives of the present study ... for each sample of albic horizon; t is its thickness (cm) and Vand Care the numerical values of its Munsell value and chroma; and Due to the design of the study, the thickness of the forest floor...
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Báo cáo y học: "Diacerein inhibits the synthesis of resorptive enzymes and reduces osteoclastic differentiation/survival in osteoarthritic subchondral bone: a possible mechanism for a protective effect against subchondral bone remodelling" ppsx
Ngày tải lên :
09/08/2014, 10:23
... SAPK/JNK (p46 and p54), particularly the level of the p46 isoforms Diacerein and rhein, however, had no effect on the activation level of either kinase Figure Effect of diacerein and rhein on ... acquisition of data, analysis and interpretation of data, manuscript preparation, and statistical analysis J-PP participated in study design, analysis and interpretation of data, and manuscript ... study design, analysis and interpretation of data, manuscript preparation, and statistical analysis SKT participated in acquisition of data, analysis and interpretation of data, and manuscript preparation...
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Báo cáo y học: "Anopheles gambiae genome reannotation through synthesis of ab initio and comparative gene prediction algorithms" pps
Ngày tải lên :
14/08/2014, 16:21
... that the presence and size of product bands interactions Validation of ReAnoCDS05 predictions by RT-PCR unambiguously verify one of the CDS predictions Maps of the ReAnoCDS05 and Ensembl CDS predictions ... comparison of ReAnoCDS05 and Ensembl based on a set of full-length cDNA sequences Manual comparison of ReAnoCDS05 and Ensembl based on a set of full-length cDNA sequences The charts show the analysis of ... left side of each panel is a map of CDS predictions and supporting lines of evidence, and the right side is a reverse-color image of, from left to right lanes, PhiX/Lambda DNA size standard (Ph),...
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Báo cáo sinh học: "Different rates of synthesis of whey protein and casein by alleles of the β-lactoglobulin and α locus in cattle -casein s1" pptx
Ngày tải lên :
14/08/2014, 20:20
... year-season, stage and number of lactation and cows; that of the Brown Alpine herd, year-season, stage and number of lactation, sire of the cow and genotypes at loci (in the case of the a,,-Cn expression, ... composed of more than 60% haemoglobin A and less than 40% of haemoglobin S (Wellis and Itano, 1951; Wrightstone and Huisman, 1968) Such different rates of expression of globin genes appear to be even ... proteins after removal of a-lactalbumin (Sluyterman and Elgersma, 1978) The separation of the two genetic variants achieved by chromatofocusing (Sluyterman and Wijdenes, 1978) Purity and homogeneity...
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Applications of heterogeneous catalysts in synthesis of fine chemicals and rare sugars
Ngày tải lên :
09/09/2015, 10:17
... eliminating waste and avoiding the use of toxic and/ or hazardous reagents and solvents in the manufacture and application of chemical products From feedstocks to solvents, synthesis and processing, ... for the synthesis of various useful and valuable chemicals The objective of this thesis is to investigate the applications of heterogeneous catalysts in the catalytic green synthesis of various ... usually find more applications in the synthesis of intermediates and fine chemical synthesis whereas solid acids are used in the production of fuels and bulk chemicals at a very large scale Replacing...
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Synthesis of superparamagnetic nanostructures and their magnetic resonance imaging applications
Ngày tải lên :
09/09/2015, 17:55
... image of IONC-b5 (Inset: SAED ring patterns of IONC-b5); (h) XRD profile of IONC-b5; and (i) VSM profiles of core SPION-7nm (∆) and IONC-b5 (□) (Page 96) Figure 5-3: (a) M(H) curves of SPION-4nm and ... off-resonance frequency Continuous diffusion of protons in and out of the SPIONs’ field of influence results in a partial saturation of the affected volume, depending on the position of the off-resonance ... profiles of the respective MFNs) (Page 53) Figure 3-6: (a) XRD spectra of (1) MFN-6nm, (2) MFN-18nm, and (3) MFN-31nm (Page 55) Figure 3-7: (a) M(H) profiles of (1) MFN-6nm, (2) MFN-18nm, and...
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Synthesis of functional nanocomposites and their bio imaging applications
Ngày tải lên :
10/09/2015, 09:30
... Illustration of band structure of inorganic semiconductor as bulk material, nanocrystal and atom (b) Schematic depiction of band diagram of QDs and corresponding electron transition between CB and VB ... nanocrystal and atom (b) Schematic depiction of band diagram of QDs and corresponding electron transition between CB and VB upon excitation 18 The emission of QDs results from the creation and re-combination ... SYNTHESIS OF FUNCTIONAL NANOCOMPOSITES AND THEIR BIO-IMAGING APPLICATIONS SHENG YANG (B Eng., Nanjing Univ of Aeronautics and Astronautics) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY...
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Affinity guided isolation, structure elucidation and total synthesis of laetirobin a and its analogue synthesis for therapeutic development 1 4
Ngày tải lên :
10/09/2015, 15:48
... addition of 50 mL of 10% citric acid, the mixture was extracted three times with 30 mL of EtOAc The combined organic layers were washed twice with 20 mL of 10% citric acid, 20 mL of water and 20 mL of ... addition of mL of water and slowly warmed to 23 °C over 1.5 h The reaction mixture was extracted three times with 10 mL of DCM The combined organic layers were washed with 10 mL of 5% NaHCO3, water and ... 4-43 OH and LiOH (1.0 mg, 0.021 mmol) were dissolved in mL O of a mixture of EtOH and water (2/1) under an inert atmosphere of argon The reaction mixture was stirred for 18 h at 23 °C and poured...
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