green apos s function for the x field condensed phase

Supported group II transition metal catalysts in liquid phase reactions using borrowing hydrogen methodology 1

Ngày tải lên : 09/09/2015, 10:14

... Besides copper as the co-catalysts, Ag also was used as the co-catalysts for this type of reactions Palladium-catalysed decarboxylative sp-sp2 cross-coupling reactions of aryl and vinyl halides ... necessarily exothermic to approximately the same extent as the first step is endothermic The third step can therefore help to drive the first step This type of transformation has been referred to as “hydrogen ... conditions (normally pH 11) Steric stabilization strategies (yolk-shell or core-shell, entrapped) Besides the methods discussed previous for the deposition of the active metal on the surface of the solid,...

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Đề tài " Extension properties of meromorphic mappings with values in non-K¨ahler complex manifolds " pot

Ngày tải lên : 22/03/2014, 16:20

... Section 3, Example 3.5, which shows that a manifold possessing the Hartogs extension property for single-valued mappings may not possess it for multi-valued ones The reason is that Sym2 (X) may contain ... (nonempty!) U then one says that the Hartogs-type extension theorem holds for meromorphic mappings into this X For X = C, i.e., for holomorphic functions, the Hartogs-type extension theorem was proved ... Remarks For k = we say simply that X is disk-convex Recall that a complex space X is called k-convex (in the sense of Grauert) if there is an exhaustion function φ : X → [0, +∞[ which is k-convex...

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COMPARATIVE ANALYSIS OF TEXTURAL PROPERTIES OF SBA-15

Ngày tải lên : 08/08/2015, 19:35

... Pressure (P/Po) Fig 4: Adsorption/desorption nitrogen isotherms of SBA-15 synthesized from TEOS and rice husk Table 2: Textural properties of synthesized SBA-15 samples Sample SBET (m2.g-1) Smes ... consists of the gathering of rod-like silica while RH-SBA-15 consists of curve-rod like silica The nitrogen adsorption-desorption isotherms of RH-SBA-15 and TEOS-SBA-15 were shown in Fig Very similar ... metals including magnesium, calcium, magnesium etc while one from TEOS does not Thus the textural properties of synthesized SBA-15 materials should depend on silica sources Fig shows XRD patterns...

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Đề tài " Ergodic properties of rational mappings with large topological degree " pot

Ngày tải lên : 06/03/2014, 08:21

... pluripolar sets This answers a question raised by Russakovskii and Shiﬀman [RS 97] which was addressed by several authors (see [HP 99], [FG 01], [G 02], [Do 01], [DS 02]) This also shows that µf is an ... points The bound therefore follows from a perturbation argument Uniqueness of the measure of maximal entropy Theorem 4.1 Assume dimC X ≤ or X is complex homogeneous Then the measure µf is the ... is 1,1 1,1 a continuous form on Ha (X, R) which is positive on Hpsef (X, R) Therefore there exists C > such that ||[θ]|| ≤ C This yields the ﬁrst inequality: 1,1 θ ∧ ω k−1 , for all [θ] ∈ Hpsef...

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Tài liệu Báo cáo Y học: Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin doc

Ngày tải lên : 22/02/2014, 04:20

... correlate the stabilities of 4N complexes of Xaa-Yaa-His peptides, expressed using *K constants, with the average basicities of the nitrogen donors of the peptide [37] The constants measured in this ... 1.9, respectively, vs 3.1 and 2.0 for analogous phosphate complexes [33] In all cases 1st order kinetic curves were seen Table presents the corresponding constants kobs, obtained by leastsquare ... bands in the CD spectra is dictated by the conformation of the sixmembered chelate ring involving the His residue donors (Fig 1) This conclusion is a direct consequence of the presence of the same...

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Báo cáo khoa học: The properties of phosphodiesterase 11A4 GAF domains are regulated by modiﬁcations in its N-terminal domain pptx

Ngày tải lên : 16/03/2014, 06:20

... and Vmax values [13–15,17] The tissue distribution of the PDE11 isozymes has not yet been fully examined It is known that robust expression in humans occurs in the prostate [18,19], testis [20–22], ... alignments, we designated Lys196 as the last residue of the N-terminus and the start of GAF-A at Lys197, the position at which a short a helix that is visible in both structures starts [24,28] ... any of these constructs (data not shown) cGMP-binding assays were not carried out because the lm afﬁnities precluded promising experiments using this technique For all shortened constructs, the...

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Báo cáo toán học: "On the Tur´n Properties of Inﬁnite Graphs a" pptx

Ngày tải lên : 07/08/2014, 15:23

... numbers and the a numbers s( k) for a fixed k Lemma 1.5 Let k ≥ Then, p(k) = s( k) Proof For a given sequence C = {cn }∞ of k symbols, let G(∞) be the infinite graph which n=1 corresponds to this sequence, ... Auxiliary sequences Sequence A = {an }∞ n=1 The sequence A = {an }∞ on the symbols {1, , k}, which we define below, will consists n=1 of infinitely many blocks For j ∈ N, the j-th block is a subsequence ... 1: Density functions of sequences A, B and C Figure describes the behavior of the density function for the sequences A, B and C on one block for k = 1000 and a large value of m More precisely,...

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Tài liệu Psychometric properties of the quality of life scale Child Health and Illness Proﬁle-Child Edition in a combined analysis of ﬁve atomoxetine trials pdf

Ngày tải lên : 12/02/2014, 19:20

... at school’’ was not as distinct as for the baseline assessment in the Risk avoidance domain Weaker correlations were seen for the changes from baseline analyses The assessment of the item-sub-domain ... Satisfaction SH Satisfaction PC Comfort SS SS 0.54 0.41 0.31 0.31 0.52 0.44 Satisfaction 0.50 0.33 Satisfaction 0.51 0.40 SS Satisfaction 0.50 SS Satisfaction 0.48 10 SH Satisfaction 11 12 SH SH Satisfaction ... relationship between QoL and the core symptoms The inﬂuence of the QoL of the parents or the parents’ diseases (such as ADHD) could not be assessed because these data were not obtained Conclusions The...

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Tài liệu Báo cáo khoa học: The antibacterial and antifungal properties of trappin-2 (pre-elaﬁn) do not depend on its protease inhibitory function pptx

Ngày tải lên : 18/02/2014, 17:20

... its precursor is the protection of tissues against excessive proteolysis by serine proteinases that are released from neutrophils at inﬂammatory sites, particularly elastase and proteinase 3, their ... analysis of experimental data and Claude ´ Lebos (Departement des Microscopies, PPF Analyse ` des Systemes Biologiques, University of Tours) for performing the SEM analysis The English text was edited ... albicans culture supernatant The mechanisms by which A fumigatus colonizes the lungs is not yet clear but is thought to depend on secreted proteases, which are therefore considered to be essential...

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Tài liệu Báo cáo khoa học: Tryptophan tryptophylquinone cofactor biogenesis in the aromatic amine dehydrogenase of Alcaligenes faecalis Cofactor assembly and catalytic properties of recombinant enzyme expressed in Paracoccus denitriﬁcans pptx

Ngày tải lên : 19/02/2014, 07:20

... conditions (see Results), absorbance changes for the recombinant enzyme were biphasic and were analysed using a double exponential expression The fast phase of these transients (> 90% of the total ... cloning and expressing the two structural genes in a heterologous host in the absence of the TTQ biosynthesis genes Heterologous expression of Paracoccus denitriﬁcans TTQ-dependent MADH has been achieved ... is the initial velocity, Vmax is the maximum initial velocity, [S] is the substrate concentration and Ki is the inhibition constant for substrate We also observed substrate inhibition with the...

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Tài liệu Báo cáo khoa học: Role of K22 and R120 in the covalent binding of the antibiotic fosfomycin and the substrate-induced conformational change in UDP-N-acetylglucosamine enol pyruvyl transferase docx

Ngày tải lên : 19/02/2014, 13:20

... adduct This in turn suggests that UDPNAG assists in the assembly of the proper interactions in the active site by stabilizing the closed conformation of the protein In the closed conformation, ... From this it would follow that R120 is an important residue in the stabilization of the closed conformation of the protein This hypothesis can be tested by assessing the extent of the conformational ... the upper domain moves towards the active site of the enzyme, thus shielding the substrates (and ligands) from bulk solvent A detailed thermodynamic study of this process has indicated that the...

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Tài liệu Báo cáo khoa học: Co-operative effect of the isoforms of type III antifreeze protein expressed in Notched-ﬁn eelpout, Zoarces elongatus Kner ppt

Ngày tải lên : 19/02/2014, 16:20

... activity is also assumed for the present SP isoform Obviously, there are many candidates among the residues that could offer such character to the SP isoform However, the residues located in the functional ... explanation for the substantial content of the SP isoform is as follows: (a) the SP isoform is generated to reduce the hydrophobicity and improve the solubility of type III AFP isoforms as a whole at the ... Most of the nfeAFPs were expressed as the soluble form, but nfeAFP13, which contains two cysteines (Cys64 and Cys66), was only expressed as the inclusion body Hence, the nfeAFP13 sample was prepared...

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Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx

Ngày tải lên : 21/02/2014, 15:20

... (http://www.expasy.ch/cgi-bin/peptide-mass.pl) Chemical synthesis of parabutoporin and opistoporin The peptides were prepared by solid -phase synthesis by Ansynth Service B.V (the Netherlands) using the Fmoc/ tert-butyl-based methodology ... membrane permeabilization in the presence of the peptides was studied For this purpose an assay based on the uptake of SYTOX green was used as described by Thevissen Ó FEBS 2002 4806 L Moerman et ... acids at the carboxyl-terminus Subsequently, the active fraction was subjected to a tryptic digestion The mixture of the proteolytic fragments was separated into 10 deﬁned peaks The masses of these...

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Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx

Ngày tải lên : 05/03/2014, 11:21

... Pt nanoparticles existed inside the pore channels of SBA-15 (PS-1), active sites are located in confined spaces, so the collision rate of these sites with glucose molecules increase and catalytic ... (1%) is smaller (

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Báo cáo khoa học: Conserved residues in the N-domain of the AAA+ chaperone ClpA regulate substrate recognition and unfolding pdf

Ngày tải lên : 07/03/2014, 05:20

... ClpS) Therefore, ClpS-delivered substrates may bypass the need for these residues in the N-domain In this case, it is appealing to speculate that ClpS itself may act as the second binding site ... the tyrosine residues in the hexameric pore of ClpA is sufﬁcient for substrate translocation to occur; however, in other cases such as SsrA-tagged protein substrates, binding at both sites is ... on the use of model proteins such as casein and GFP–ssrA Previous studies have demonstrated that a ring of tyrosine residues located in the pore of the ClpA hexamer is essential for the translocation...

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Báo cáo khoa học: Effect of oculopharyngeal muscular dystrophy-associated extension of seven alanines on the ﬁbrillation properties of the N-terminal domain of PABPN1 pot

Ngày tải lên : 07/03/2014, 11:20

... arrangements of the b-strands inside the fibril 350 Whether the bead-like structure is caused by twist repeats or similar substructures, as reported for the SH3 domain of phosphatidyl inositol-3¢-kinase ... determined using the nanoscope analysis software Chemical stability of fibrils The chemical stability of fibrils was tested after the fibrillation process was completed (no further rise of ANS signals) The ... most of the seeds lose their ability to act as polymerization points for soluble N-WT Because slow fibril formation of N-WT induced by N-WT seeds may also be due to less active N-WT seeds, cross-seeding...

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Báo cáo khoa học: An arginyl in the N-terminus of the V1a vasopressin receptor is part of the conformational switch controlling activation by agonist docx

Ngày tải lên : 07/03/2014, 21:20

... contained the appropriate base change (shown as XXX) for each of the corresponding Arg46 ﬁ Xaa46 substitutions, and a unique Eco81I restriction site (bold) The PCR cycling conditions were as follows: ... was assayed for each of the 19 mutant constructs and the dose–response characteristics compared to the wildtype V1aR None of the 19 encoded amino acids could substitute the Arg46 and retain the ... response once an agonist has bound [26] This parameter (expressed as pEC50 ) pKi) was increased for all 19 substitutions compared to the wildtype Arg46, with the precise value depending on the...

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Báo cáo "Preparation and characteristics of the In-doped ZnO thin films and the n-ZnO:In/p-Si heterojunctions for optoelectronic switch" potx

Ngày tải lên : 14/03/2014, 13:20

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Báo cáo khoa học: Enzymes of mannitol metabolism in the human pathogenic fungusAspergillus fumigatus– kinetic properties of mannitol-1-phosphate 5-dehydrogenase and mannitol 2-dehydrogenase, and their physiological implications pot

Ngày tải lên : 14/03/2014, 23:20

... defense strategies of the infected host [26] The human pathogen Aspergillus fumigatus, which is the most common agent causing invasive aspergillosis in immunosuppressed patients, produces enough ... The thick lines in (B) show the preferred paths for addition of substrate and release of product The dashed line shows the formation of an abortive ternary complex (see Discussion for details) ... different forms of external stress, including high temperature and oxidative stress [1] In parasitic fungi, the improved stress resistance resulting from accumulated Man-ol appears to confer a substantially...

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Báo cáo khoa học: Role of the structural domains in the functional properties of pancreatic lipase-related protein 2 pot

Ngày tải lên : 16/03/2014, 06:20

... structure function relationships of pancreatic lipases [14,33–36] These studies show that the lid domain alone is responsible neither for the substrate selectivity nor for the activation process They ... titrimetry using emulsiﬁed tributyrin as substrate In a ﬁrst experiment, the assays were performed in the absence of bile salts [sodium taurodeoxycholate (NaTDC)], in the absence or in the presence ... sensitivity of the Nc active site to E600 inhibition in the presence of bile salt Discussion Despite their structural similarities, the PLRP 2s form a subfamily that is clearly distinct from the...

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