synthesis of nondigestible oligosaccharides
Tài liệu Management Information Systems A Synthesis of Transit Practice ppt
... referenced Because of the size of the capital investment, the similarity of need, the rate of change in information technology, and the proliferation of vendors, the creation of a public framework ... Investigators responsible for the conduct of the synthesis were Sally D Liff, Manager, Synthesis Studies, and Donna L Vlasak, Senior Program Officer This synthesis was edited by Linda S Mason Valuable ... responsibility and oversight This type of model has led to the emergence of pockets of MIS resources outside of the primary computing environment Lack of training and funding are two critical...
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Tài liệu Báo cáo khoa học: Physico-chemical characterization and synthesis of neuronally active a-conotoxins docx
... Amidation of C-terminus Sulfation of tyrosine Hydroxylation of proline Carboxylation of glutamic acid Cyclization of N-terminal Gln O-Glycosylation Bromination of tryptophan Isomerization of tryptophan ... mechanisms of incorporation of PTMs in the biosynthesis of conopeptides Appropriate methods of analysis need to be addressed to ensure recognition of these PTMs, if present, in the course of characterization ... applications for synthesis of cholecystokinin-12 and bradykinin containing tyrosine sulfate [57], and could perhaps be applicable to synthesis of a-conopeptides Synthesis of variants of a-conotoxins:...
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Tài liệu Báo cáo Y học: The glucose-specific carrier of the Escherichia coli phosphotransferase system Synthesis of selective inhibitors and inactivation studies pptx
... transition of the Eadie– Hofstee plot from the biphasic to a monophasic shape are Table Rates of inactivation of IICBGlc Incubation of purified IICBGlc with the indicated concentration (mM) of the ... consumption of NADH in the presence of L-lactate dehydrogenase, but also formation of NADPH in the presence of Glc6P dehydrogenase This background activity must therefore be due to phosphorylation of ... Reversible inhibition of EIIGlc Eadie–Hofstee plots of nonvectorial phosphorylation of D-Glc (0–2 mM) by membrane fractions containing EIIGlc Phosphorylation was assayed in the presence of inhibitors...
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Tài liệu Báo cáo Y học: Dinucleoside polyphosphates stimulate the primer independent synthesis of poly(A) catalyzed by yeast poly(A) polymerase ppt
... methods Relative activity of GpnGs as effectors of the synthesis of poly(A) Based on the above results, the effect of several diguanosine polyphosphates on the synthesis of poly(A) was comparatively ... independent synthesis of poly(A) In order to understand why dinucleoside polyphosphates activated the primer independent synthesis of poly(A), the effect of 0.01 mM Gp4G or Ap4A on the synthesis of poly(A) ... presence of 0.02 mM [a-32P]ATP While confirming the adenylylation of these compounds and the absence of synthesis of poly(A) by the E coli poly(A) polymerase, we did not observed adenylylation of guanosine,...
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Báo cáo khoa học: Heterologous synthesis of cytochrome c¢ by Escherichia coli is not dependent on the System I cytochrome c biogenesis machinery ppt
... Biogenesis of cytochrome c¢ Heterologous synthesis of PHCP by E coli The E coli System I cytochrome c biogenesis machinery, consisting of the Dsb and Ccm proteins, is responsible for the synthesis of ... database: (2) locus tag of Alvin_2765 of Allochromatium vinosum DSM180; (3) accession number P00138 of Achromobacter xylosoxidans NCIMB11015; (4) locus tag of RSP_0474 of Rhodobacter sphaeroides 2.4.1 ... in the absence of pEC86 not confer the cytochrome c biogenesis ability to the PH c552 protein This is possibly a result of the shortage of Ccm proteins, because the expression of ccm genes is...
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Environmental Goods and Services A Synthesis of Country Studies pot
... COM/ENV/TD(2004)10/FINAL Table Membership of key MEAs and dates of ratification, acceptance, approval or accession Vienna Convention for the Protection of the Ozone Layer Country Date of signature of MEA Montreal Protocol ... Services In Nicaragua, the Ministry of Environment and Natural Resources (MARENA) has an Office of Environmental Services that is in charge of identifying the benefits of trade in environmental goods ... determinants of demand, such as: the state of the economy; population and population growth; the state of the environment; and pressure from stakeholders, civil society and consumers in each of the...
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Báo cáo khoa học: Mycobacterium tuberculosis possesses a functional enzyme for the synthesis of vitamin C, L-gulono-1,4-lactone dehydrogenase doc
... characterization of l-gulonolactone oxidase from chicken kidney microsomes Biochemistry 21, 5076– 5082 14 Loewus FA (1999) Biosynthesis and metabolism of ascorbic acid in plants and of analogs of ascorbic ... ⁄ PAGE revealed the presence of one protein band of about 70 kDa (Fig 1, lane 2) The identity of the protein was confirmed by enterokinase treatment After digestion of the affinity-purified GSTtagged ... Characterization of the recombinant dehydrogenase of M tuberculosis L-gulono-1,4-lactone Fig Heterologous expression and purification of the recombinant L-gulono-1,4-lactone dehydrogenase (Rv1771) of M tuberculosis...
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Báo cáo khoa học: Reconstruction ofde novopathway for synthesis of UDP-glucuronic acid and UDP-xylose from intrinsic UDP-glucose inSaccharomyces cerevisiae pptx
... production of UDP-GlcA and UDP-Xyl via conversion of a large precursor pool of UDP-Glc into the derivative molecules Here, we report the generation of yeast strains capable of producing large amounts of ... Synthesis of UDP-glucuronic acid and UDP-xylose T Oka and Y Jigami of oligosaccharides to proteins in a variety of organisms For example, O-xylosyltransferase ... maintains the pool of UDPGlc of the cell in cooperation with AtUXS3 via inhibition of UDP-Xyl by AtUGD1 in vivo Table Quantification of UDP-sugar levels in yeast The amounts of UDP-glucose, UDP-glucuronic...
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Báo cáo khóa học: A single mutation that causes phosphatidylglycerol deficiency impairs synthesis of photosystem II cores in Chlamydomonas reinhardtii pdf
... epistasy of synthesis (CES) process [1], D1 and apoCP47 display concerted rates of synthesis In the absence of D1, the rate of synthesis of apoCP47 is strongly reduced, while the rates of synthesis of ... degradation or to their lower rate of synthesis When we studied the rates of synthesis of the individual PSII subunits by pulse-labelling experiments, we observed that synthesis of D1 and apoCP47 were barely ... mf1 and mf2 is due to a decreased synthesis of two PSII core subunits The strongly reduced accumulation of PSII could result from a defect in the synthesis of any of the major PSII core subunits...
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Báo cáo khoa học: Degradation of chitosans with chitinase B from Serratia marcescens Production of chito-oligosaccharides and insight into enzyme processivity docx
... al Degradation of chitosans with ChiB Fig Time course of ChiB degradation of a chitosan with FA ẳ 0.65 The graph shows the degree of scission (a) as a function of time The slope of the line at ... end of the reaction, the relative amount of DA starts to increase, nally reaching 34% of the total amount of dimers NMR analyses of the tetramer fraction at a ẳ 0.11 (Fig 5A) revealed a FA of ... fraction had a DP of 3.04 and a FA of 0.44, and was concluded to consist mainly of DDA and DAA, in addition to minor amounts of ADA The tetramer fraction showed a DP of 4.1 and a FA of 0.33 and the...
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Báo cáo khoa học: "Analysis and Synthesis of the Distribution of Consonants over Languages: A Complex Network Approach" pptx
... 2005) are examples of such attempts The present work also uses the concept of complex networks to develop a platform for a holistic analysis as well as synthesis of the distribution of the consonants ... studies of PlaNet In section we provide a simplified theoretical explanation of the analytical results ob- Figure 1: Illustration of the nodes and edges of PlaNet tained In section we present a synthesis ... Degree distribution of PlaNet for the set VL The figure in the inner box is a magnified version of a portion of the original figure Degree Distribution of PlaNet The degree of a node u, denoted...
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Báo cáo khoa học: Kinetics of enzyme acylation and deacylation in the penicillin acylase-catalyzed synthesis of b-lactam antibiotics pptx
... ampicillin Values of 47 ± mM for KNapp and of 3.6 ± 0.22 for (Vs/Vh)max for the synthesis of ampicillin were obtained from fitting Eqn (8) to the data For synthesis of penicillin G, a value of 0.018 mM)1 ... reactive ester of NIPGB in kinetic experiments, failed because of the high rates of spontaneous hydrolysis of this compound The only substrate of PA for which the steady-state rate of hydrolysis ... analysis of penicillin acylase (Eur J Biochem 270) 3681 Fig Inhibition of NIPGB hydrolysis by 7-ADCA Lineweaver–Burk plot of the effect of various concentrations of 7-ADCA on the conversion of NIPGB...
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Báo cáo "Another method of logic synthesis of digital counting circuits " pptx
... (8) (10) 61 Another method of logic synthesis of Obviously now the value of set E shows the complete parameters of periodical as well as frequency existence of forms of circuit functions (from ... 3) 59 Another method of logic synthesis of Table Circuit function with input state R3, of RS - FF - Counter with k = 6, = to 64, in which: P is the periodical existence of circuit function form ... same form Figure describes the appearance of form and form on axis Figure 3: Description of form and form on axis 57 Another method of logic synthesis of From figure we can see that if = 2,...
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A simple large scale synthesis of very long aligned silica nanowires
... production of large-quantities of high-purity (no metal catalysis contamination) and ultralong (millimeters) SiO2 nanowires (most of the wires have uniform diameters of $50 nm, while some of them ... produced by pyrolysis of mixture of Si and SiO powders Recently, Pan et al [8] have developed a molten gallium-catalyzed vapor–liquid– solid (VLS) process for the growth of bundles of highly aligned ... in the spectral range of 300–800 nm using a He–Cd laser with a wavelength of 325 nm as the excitation source Results and discussion After the synthesis, a large quantity of white wool-like product...
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Carbon assisted synthesis of silicon nanowires
... 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 hydrogen in promoting the amorphization of ... has a Y-shape, with arms of a uniform width of 200 nm, and a length of a few microns Careful studies of the TEM images and electron diffraction data may unravel the nature of the junction In Fig ... characteristic of cubic silicon with a small impurity of silica Reaction of silicon powder with activated carbon in the absence of H2 , by procedure (ii), yielded abundant quantities of SiNWs The...
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Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles
... edge of the scratched film, the orientation of the NWs is widespread over the whole substrate The homogeneous thickness of the NWs film is easily obtained to be about 500 lm Thus, the growth rate of ... thickness of 500 lm The low magnification TEM image in Fig 3a shows the general morphology of the SiNWs The diameters are in the range from several tens to hundreds of nanometers Most of them are ... 3b shows a TEM image of individual curly wire with the average diameter of 400 nm, revealing the typical structure of wire-like spherical particle agglomerates at the end of the wire Fig 3c shows...
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Synthesis of large scale sic–sio2 nanowires decorated with amorphous carbon nanoparticles and raman and PL properties
... the core–shell nanostructures of two kinds of nanowires are clearly recognized The SAED patterns recorded from two kinds of nanowires demonstrate that there are a set of sharp single crystal diffraction ... (1 1) spacing of 3C–SiC (an up-left insert of Fig 3b) Compared to the result of XRD measurements, the amorphous shell is SiO2 Therefore it is concluded that our nanowires consist of SiC–SiO2 core–shell ... result of SEM observation, smooth surface was observed from TEM image of the nanowires synthesized under the condition-2 Meanwile, a lot of hemispheric depositions were found on the surface of the...
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Synthesis of silicon nanowires after hydrogen radical treatment
... FE-SEM micrograph of the assynthesized SiNWs The voluminous quantities of SiNWs were grown for h at 400 °C Fig XRD patterns before and after hydrogen radical treatment (a) Peaks of the asdeposited ... image of the as-fabricated indium nanocrystals as metal catalysts after hydrogen radical treatment Fig Top-view FE-SEM image of the SiNWs The inset shows a high-magnification FE-SEM image of the ... approximately 10 nm-thick amorphous outer layer The SAED pattern of one individual SiNW is shown in the inset of Fig The set of diffraction spots visible in the SAED pattern reveal that this...
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Báo cáo khoa học: Optimization of an Escherichia coli system for cell-free synthesis of selectively 15N-labelled proteins for rapid analysis by NMR spectroscopy pdf
... Optimization of other conditions for in vitro protein synthesis Fig Cell-free synthesis of PpiB under control of phage k promoters Identical volumes of reaction products were loaded into lanes of a 15% ... effect of transamination is a reduction of the degree of 15N-labelling in the amino acid of interest In the case of [15N]Gly, much of the label appeared to have been trapped in an amide group of ... concentrations of MgCl2 and template DNA were found to vary with different batches of S30 extract Concentration of the S30 extract by dialysis against a solution of PEG 8000 [2] reduced the volume of the...
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