extremal properties of characteristic values and eigenfunctions
Tài liệu Báo cáo khoa học: Inhibitory properties of cystatin F and its localization in U937 promonocyte cells ppt
... lowered afnity of cystatin F for these enzymes Proline in the S2 site is a feature of human sten A and cystatins F, S and SN, all of which are signicantly less potent inhibitors of cathepsin B ... lysosomal localization of cystatin F, its restricted and readily regulated expression [18], selective and not too potent inhibition of cathepsins are all in favor of the active role of cystatin FEBS ... range of 106)107 m)1, and high kdiss values in the range of 10)3 to 10)4 for the tightly inhibited cathepsins F, K and V The reason for the considerably Table Interaction of cystatin F with cysteine...
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Tài liệu Báo cáo khoa học: Enzymatic properties of wild-type and active site mutants of chitinase A from Vibrio carchariae, as revealed by HPLC-MS pptx
... (GlcNAc)6, and chitin substrates were also determined, based on the formation of (GlcNAc)2 and the initial velocity of the enzyme, at of reaction at 20 °C Kinetic values for the recombinant wild-type and ... (Fig 4A) In the case of the E315Q mutant, an additional faint band was also seen at an Mr of 43 000 This band appeared as a degradation product during freezing and thawing of the protein that ... Steve C Fry, Institute of Cell and Molecular Biology, University of Edinburgh, Edinburgh, UK, and Dr Albert Schulte, Ruhr University of Bochum, Germany, for critical reading of the manuscript References...
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Tài liệu Báo cáo Y học: The effects of low pH on the properties of protochlorophyllide oxidoreductase and the organization of prolamellar bodies of maize (Zea mays) pot
... results of measurements of the effects of ATP, ADP, AMP and adenosine on the corresponding low pH-induced blue-shift in the absorption maximum of maize PLB, made in the presence and absence of NaF, ... The main line of evidence for the existence of a PORphosphatase is the observation by Wiktorsson et al [9] of an inhibition, by NaF and ATP, of the loss of the longwavelength form of Chlide following ... PChlide, and NADPH Dephosphorylation of the photoconverted form of this complex by an endogenous phosphatase, it was further suggested, leads to a disaggregation of POR and a dissociation of Chlide...
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Tài liệu MECHANICAL PROPERTIES OF THE HEART AND ITS INTERACTION WITH THE VASCULAR SYSTEM ppt
... understanding and will be the focus and repeating theme throughout the text A sound understanding of cardiac physiology begins with basic understanding of cardiac anatomy and of the physiology of ... composed of bundles of myosin strands with each strand having a tail, a hinge and a head region The tail regions bind to each other in the central portion of the filament and the Page of 23 strands ... of this manuscript is to provide a detailed understanding of the heart as a muscular pump and of the interaction between the heart and the vasculature The concepts of contractility, preload and...
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Báo cáo khoa học: Conformational properties of bacterial DnaK and yeast mitochondrial Hsp70 Role of the divergent C-terminal a-helical subdomain pdf
... absence of nucleotide the emission maximum of mtHsp70 is downshifted by 5–6 nm with respect to that of DnaK The twofold reduction of the KSV values estimated for mtHsp70 both in the absence and the ... used in the same concentration as DnaJ and GrpE Specific activity values (upper) and ratio of the Hsp70 ATPase activity in the presence of the specified ligands to the activity without co-chaperones ... were linear and k+1 and k)1 were derived from the y-intercept and the slope, respectively (Table 1) [31] Comparison of wild-type DnaK and mtHsp70 showed that the binding constants of the latter...
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Mechanics and Properties of Composed Materials and Structures doc
... increment and n is the time step; unþ1 _ _ and unþ1 are assumed, unþ1 and unþ1 are corrected values of displacement and velocity; b and c are parameters that determine the stability and accuracy of ... The effect of geometrical parameters and material properties of face sheets and core are studied on the face wrinkling of sandwich plates Comparison of the present results with those of plate theories ... tension, mechanism of opening and closing of cracks in concrete under dynamic load, tensile and shear stiffness of cracked concrete, • Strain rate effect of the material properties of masonry, reinforced...
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Báo cáo khoa học: Human anionic trypsinogen Properties of autocatalytic activation and degradation and implications in pancreatic diseases potx
... Activation and degradation characteristics of this recombinant preparation was documented and compared to those of cationic trypsinogen Furthermore, interactions between the two isoforms were studied and ... saved as TIFF files Quantitation of gel bands was carried out with the IMAGEQUANT 5.2 (Molecular Dynamics) software Rectangles were drawn around each band of interest, and an identical rectangle was ... visible bands of larger peptide fragments, as the bulk of the protein was digested to small peptides In contrast, in the presence of mM Ca2+, the trypsinogen band was converted to trypsin and stable...
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Báo cáo khoa học: Determination of the redox potentials and electron transfer properties of the FAD- and FMN-binding domains of the human oxidoreductase NR1 doc
... determination of both thermodynamic and kinetic properties of NR1, and as we have shown for CPR and P450 BM3 (23,24,28) the properties of the flavin binding domains of NR1 are likely to mimic the redox properties ... reduction of substrate (DCPIP or ferricyanide) at appropriate wavelengths (600 nm and 420 nm, respectively) Results are the mean and standard deviation of triplicate assays For the determination of ... kcat values, experiments were performed at a saturating concentration of NADPH (200 lM), over a wide range of concentrations of the substrate (0–100 lM for DCPIP and 0–700 lM for ferricyanide) Values...
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mirlin. statistics of energy levels and eigenfunctions in disordered systems
... Introduction Statistical properties of energy levels and eigenfunctions of complex quantum systems have been attracting a lot of interest of physicists since the work of Wigner [1], who formulated ... statistical properties of wave functions are of considerable interest In the case of nuclear spectra, they determine #uctuations of widths and heights of the resonances [12] In the case of disordered ... introduced to describe #uctuations of widths and heights of resonances in nuclear spectra [12] Recently, interest in properties of eigenfunctions in disordered and chaotic systems has started to...
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Báo cáo hóa học: " Optical properties of as-grown and annealed InAs quantum dots on InGaAs cross-hatch patterns" doc
... in the middle of a quartz tube and heated to 350°C for between 30 and a few hours under continuous flow of a hydrogen-containing forming gas The optical properties of as-grown and annealed samples ... using standard lock-in detection technique Results and discussion The optical properties of the as-grown and annealed QDs on CHP structure are analyzed against those of the controlled QDs and CHP ... intensity and FWHM (a) PL spectra of sample D [QDs on CHP] subject to 350°C ex situ hydrogen annealing for 0, 30, 60, and 120 (offset for clarity) Changes in (b) integrated intensity and (c) FWHM of...
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Báo cáo hóa học: " Surface properties of glass micropipettes and their effect on biological studies" pot
... significantly decreases Dt and Sa The effects of pull and heat are very similar and not as significant as the effect of velocity Delay and pressure are factors to change the taper length of the pipettes ... inside wall and 3D structures of the inner wall were obtained using MeX software Figures and 10 show an FIB-milled pipette and stereo images Table shows inner surface properties of small b m ... phase of the pull cycle The unit of pressure is psi Changes of less than 10 units will not be noticeable Pressure is another way of controlling tip length and does not change the size of pipette...
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Báo cáo hóa học: "Fabrication and Properties of Porphyrin Nano- and Microparticles with Novel Morphology" docx
... dipole of CoTPPS4- and that of H2TAPP4+ in the formation process of porphyrin nanoand micro-particles [33, 34] The Soret and Q bands of sample solution placed for 72 h are not shifted, and the ... is one of the proofs that the pyramids consist of CoTPPS4- and H4TAPP6+ Figure 1c, d shows the images of samples and 3, respectively In Fig 1c, the diameter of the spheres is in the range of 250–1,300 ... porphyrin nano- and micro-particles made up of J- and H-heteroaggregates to date [26] The photocatalytic and photoelectronic properties of TiO2 sensitized with this type of porphyrin nano- and micro-particles...
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Báo cáo hóa học: " The Role of Intrinsic and Surface States on the Emission Properties of Colloidal CdSe and CdSe/ZnS Quantum Dots Giovanni Morello Æ Marco Anni Æ Pantaleo Davide Cozzoli " potx
... demonstrated that the PL of CdSe core and CdSe/ZnS core/shell QDs in the first ns arises from the intrinsic bright ± 1U and ± 1L states with lifetime of about 60 ps and 450 ps, respectively, and from surface ... dependence of the PL intensities I1, I2 and I3 for the three states, we found evidence for thermal population of ± 1U and ± 1L states, fed by 123 514 Nanoscale Res Lett (2007) 2:512–514 Table Best fit values ... superposition of three lorentzian curves (see inset of Fig 1A), obtaining the energetic separations among the three states, E1,2 and E2,3 We found E1,2 = 21 meV and E2,3 = 16 meV for core QDs and E1,2...
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THERMAL PROPERTIES OF GREEN POLYMERS AND BIOCOMPOSITES doc
... MOLASSES AND LIGNIN 3.1 Molasses Molasses is a brown viscous liquid and is produced from sugar cane and beet The chemical components of molasses consist of sucrose and saccharides such as glucose and ... the number of the specimens should be more than three and significant figures of size and those of mass should be coordinated Density Characterization of Green Polymers 27 Density of the sample ... bundled and observed as a strand In the above calculation, the size of the geometrical shape of the needle and the samples are calibrated Figure 1-3 shows a three dimensional AFM image of NaCMC...
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Báo cáo lâm nghiệp: "Antioxidant properties of wood extracts and colour stability of woods" pps
... Wood extracts and colour stability Figure Absorption spectra of methanol solutions of 1.0 10−4 M DPPH and of oak extract at 0.3, 1.0, and 3.0 g L−1 527 Figure Correlation between ε280 and total ... colour stability of a wood and antioxidant capacity of its extracts MATERIALS AND METHODS 2.1 Chemicals, industrial extracts, and wood samples Reagents were the purest grade of Fluka, Merck, ... Kinetics of reaction of extracts with DPPH was studied as follows Methanol solutions of 10−4 M DPPH and of g/L extract were mixed in the stopped-flow apparatus (final concentrations 10−4 M and g L−1...
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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
... 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 ... 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 ... 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...
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Báo cáo khoa hoc:" Comparison between estimation of breeding values and fixed effects using Bayesian and empirical BLUP estimation under selection on parents and missing " doc
... where asj and adj are genetic values of the sire and dam of individual j, and mij is the Mendelian sampling effect of individual j assumed to be independent of the genetic values of the sire and dam ... sample properties, Bias and MSE, of Bayesian and of EBLUP estimates showed the same pattern over the range of simulated scenarios The bias and MSE of Bayesian estimates were often less than of EBLUP ... between Bayesian and EBLUP estimation regarding the overall rank correlation of breeding values and of estimable contrasts of CG effects with their true values for any combination of simulation...
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Báo cáo y học: "Immunomodulatory properties of human adult and fetal multipotent mesenchymal stem " pptx
... clinical use Interactions of BMMSCs and F-MSCs with subpopulations of leukocytes, and mechanisms of actions–when investigated–are reviewed Interactions of human BMMSCs and F-MSCs with leukocyte ... stimulatory capacity of DCs Moreover, F-MSCs inhibit the proliferation and cytokine secretion of T cells and promote the expansion of Tregs of such data will help to shed more light and clarity on ... of BMMSCs and immunosuppressive drugs can prolong organ allograft survival [135,136] Because of the profound immunomodulatory effect of BMMSCs shown in vitro and in vivo, co-transplantation of...
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Thermal Properties of Green Polymers and Biocomposites Part 1 ppt
... Topics in Thermal Analysis and Calorimetry Volume Series Editor: Judit Simon, Budapest University of Technology and Economics, Hungary Thermal Properties of Green Polymers and Biocomposites by Tatsuko ... high profile research subjects in academic and industrial fields The authors of this book have continuously made efforts to investigate the properties, especially thermal properties, of green ... CHARACTERIZATION OF GREEN POLYMERS Thermal Analysis 13 Other Characterization Methods 25 Chapter THERMAL PROPERTIES OF CELLULOSE AND ITS DERIVATIVES Introduction 39 Thermal Properties...
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