oligofructose and the physicochemical properties of dietary fiber

Báo cáo khoa học: On peptide bond formation, translocation, nascent protein progression and the regulatory properties of ribosomes ppt

Ngày tải lên : 23/03/2014, 17:22

... and the A- and the P-loops (that are the stem loops of helices H80 and H92) The second (middle) shell includes helices H80 and H92, the stems of the A- and the P-loops, H74 and H90 The outer shell ... Analysis of the properties of this region illuminated a uniﬁed mechanism for the formation of the peptide bond, the translocation of the tRNA molecules and the entrance of nascent proteins into the ... formation, and the shift of the acceptor stems of the tRNA Sovereign motions of structural features of the tRNA, although of a different nature, were suggested previously and are the basis for the hybrid-state...

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Influence of the support on the physicochemical properties of Pt electrocatalysts: Comparison of catalysts supported on different carbon materials

Ngày tải lên : 23/04/2014, 22:47

... into account that the effect of the surface chemistry of the support on the catalyst properties depends on the catalyst synthesis method and the nature of the metal precursor Therefore, it is ... method On one hand, it is expected that they increase the wettability of the carbon support, thereby facilitating the access of the aqueous solution of the metal precursor to the internal pore ... resulted in the shortening of CNFs (see Ref [22]) and modiﬁed the original structure of the primary particles of Vulcan and their aggregates (see Ref [25]) In the case of CMK-3, the ordered structure...

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research on fabrication and the physical properties of the multi-component ceramics based on pzt and the relaxor ferroelectric materials

Ngày tải lên : 04/12/2014, 02:54

... materials The objective of the thesis is: (i) Fabrication and research the effects of Pb(Zr0,47Ti0,53)O3 on the structure, microstructure and the physiscal properties of xPb(Zr0,47Ti0,53)O3 - ... To study the effect of Zr/Ti ratio in PZT on the structure, and the properties of the PZT - PZN - PMnN ceramics, determine PZT content which ceramics have good electrical properties and the relaxor ... physical properties of the multi-component ceramics based on PZT and the relaxor ferroelectric materials, Pb(Zn1/3Nb2/3)O3 and Pb(Mn1/3Nb2/3)O3 The results of the thesis will open up prospects for the...

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Handbook of the physicochemical properties of the elements g v samsonov (auth ), g v samsonov (eds )

Ngày tải lên : 02/12/2016, 12:44

... knowledge of the basic properties of the chemical elements Most of the handbooks on the properties of the elements published in the USSR and abroad are either of a strictly specialist nature (e.g., handbooks ... the handbook [1347] In the table giving the widths of the forbidden band we give the characteristics of the samples on which the measurements were made The thermal method gives the width of the ... UkrSSR and of the Metal Reduction Laboratory of the Institute of the Physicochemical Principles of Processing of Mineral Raw Materials, Siberian branch of the Academy of Sciences USSR, and consultants...

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Báo cáo vật lý: "Effect of Treated and Untreated Filler Loading on the Mechanical, Morphological, and Water Absorption Properties of Water Hyacinth FibersLow Density Polyethylene Composites" pdf

Ngày tải lên : 07/08/2014, 14:20

... weight of the water hyacinth fibers and WF is the weight of the fibers after heating The level of organic content in the water hyacinth fibers was 80.15% 2.3 Preparation of Treated Water Hyacinth Fibers ... river Some of the dried fibers underwent chemical treatments with the addition of coupling agents The mechanical, morphological, and water absorbent properties of the treated and untreated fiber composites ... tensile strength The LDPE, acting as the matrix, will transfer the force to the fibers, which will carry most of the applied force Hence, the fibers help to strengthen the composites These results...

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Báo cáo khoa học: The importance of polymerization and galloylation for the antiproliferative properties of procyanidin-rich natural extracts doc

Ngày tải lên : 07/03/2014, 05:20

... signiﬁcantly absorbed in the intestinal tract, and reach the colon mainly intact [27] They are therefore bioavailable to the epithelial cells in the intestinal wall, where procyanidins and other phenolics ... investigated the relationship of different structural factors of procyanidins, such as the mean degree of polymerization and percentage of galloylation, with their antiproliferative potential and their ... from green tea, is a potent antioxidant and chemopreventive agent [21,22] These and other results suggest that the galloylation of catechins and the presence of gallocatechin moieties in natural...

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Báo cáo Y học: Spectroscopic characterization and ligand-binding properties of chlorite dismutase from the chlorate respiring bacterial strain GR-1 ppt

Ngày tải lên : 08/03/2014, 16:20

... sodium dithionite The EPR spectra and the redox properties of chlorite dismutase are, surprisingly, more similar to those of the globins than of the heme enzymes The midpoint potential of chlorite ... aliquots of where B is the maximum absorbance difference, [L] is the ligand concentration, Aobs is the observed absorbance, and A0 is the absorbance without ligand Preparation of NO adduct of chlorite ... peroxide concentration, the Soret band decreases as the result of further oxidation of the heme by the excess hydrogen peroxide EPR spectroscopy of chlorite dismutase and adducts Ferric chlorite...

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Báo cáo khoa học: Stability and ﬁbril formation properties of human and ﬁsh transthyretin, and of the Escherichia coli transthyretin-related protein potx

Ngày tải lên : 16/03/2014, 01:20

... by DSC to be the Tm of the protein These fibrils are amyloidogenic, as determined from their Stability and fibril formation of TTR and TRP tinctorial properties in the ThT-binding and CR-binding ... that of TTRs and TRPs (Fig 1) In the current study, the fibril-forming and amyloidforming properties of three representatives from the TTR and TRP families were investigated Amyloidogenic properties ... thermal stability Furthermore, there is a clear correlation between thermostability and molecular volume occupied by the tetramers (Table 1) The difference between the tetrameric volume and the...

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Báo cáo khoa học: Studies on the regulatory properties of the pterin cofactor and dopamine bound at the active site of human phenylalanine hydroxylase pptx

Ngày tải lên : 17/03/2014, 09:20

... conformation and hydrogen bonding network of the pterin cofactor in the three structures Superpositions of the binary and ternary complexes of hPAH onto the crystal structure of the ligand-free dimeric ... features of its hysteretic properties Thus, the structures of the binary and ternary complexes of hPAH have provided a detailed picture of the protein contacts involved in the binding of biopterin cofactor ... required for the cofactor inhibition of phosphorylation (data not shown) The molecular basis for the negative modulatory effects of the pterin cofactor and dopamine binding to wt-hPAH and their reversal...

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Báo cáo Y học: The Fe-only nitrogenase and the Mo nitrogenase from Rhodobacter capsulatus A comparative study on the redox properties of the metal clusters present in the dinitrogenase components doc

Ngày tải lên : 18/03/2014, 01:20

... in the EPR tube They contained 24 mg Rc1Fe per mL and 0.6 mg Rc2Fe per mL in the case of the Fe nitrogenase and 28 mg Rc1Mo per mL and 0.7 mg Rc2Mo per mL in the case of the Mo nitrogenase The ... type of nitrogenase cluster [27–31] In view of the lack of analogous studies on the cofactor and the P-cluster of the MoFe protein from R capsulatus (Rc1Mo), as well as our intention to use the ... stems from the P3+ cluster, then the g ¼ 2.27 feature derives from the FeFe cofactor On the other hand, if the broad signal, despite its unusual properties, represents the P1+ cluster, the narrow...

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thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors

Ngày tải lên : 20/03/2014, 13:11

... close to the wavenumbers of the strongest modes of monoclinic tungsten oxide The two bands at 270 and 327 cm−1 had been assigned to O W O bending modes of the bridging oxide, while the 712 and 807 ... determine whether the crystalline structure is triclinic or monoclinic, since their position and relative intensity is very similar On the other hand, the intensity distribution of the diffraction ... consists of W 4f7/2 and W 4f5/2 doublet peaks with the spin-orbit splitting energy of 2.1 eV Fig 6A and B shows W 4f XPS spectra of N2 annealed samples at the two temperatures of 400 and 600 ◦...

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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

Ngày tải lên : 23/03/2014, 21:20

... 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 of the domains in full-length ... spectroelectrochemical titrations of the isolated FAD/NADPH and FMN domains of NR1 enabled the determination of the midpoint reduction potentials for the oxidized/semiquinone (E1) and semiquinone/hydroquinone ... FAD/NADPH domain and the oxidized FMN domain The lack of a second order dependence of the observed rate for interdomain electron transfer as the Ó FEBS 2003 Redox properties of human NR1 (Eur...

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Báo cáo Y học: Effect of ibuprofen and warfarin on the allosteric properties of haem– human serum albumin A spectroscopic study potx

Ngày tải lên : 31/03/2014, 23:20

... diminish in the presence of either drug In fact, the Soret band is blue-shifted, the charge transfer band is red-shifted and the a band is decreased in intensity with respect to the b band The spectral ... q FEBS 2001 vicinity of the binding site(s), affecting both the structure and the ligand binding properties of the whole HSA molecule [1 –11] The interaction of ligands with HSA occurs mainly ... Â 1028 M and n ¼ 1.0 ^ 0.1, in the absence of drugs, and Kd ¼ 1.5 ^ 0.2 Â 1027 M and n ¼ 1.0 ^ 0.1, in the presence of ibuprofen and warfarin The haem concentration was 1.0 Â 1027 M The electronic...

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báo cáo hóa học: " Measuring adolescents'''' HRQoL via self reports and parent proxy reports: an evaluation of the psychometric properties of both versions of the KINDL-R instrument" pdf

Ngày tải lên : 18/06/2014, 19:20

... conducted the statistical analyses and wrote the manuscript BK and URS were the principal investigators of the study; they designed the study's concept and supervised the writing of the manuscript ... psychometric properties The first psychometric property of interest is the dimensionality of the assessment Analyses of this property could reveal whether the children themselves and their parents ... indicator of a chronic health condition Proxy report data were available for 7,166 cases In 82.8% of cases, the proxy was the mother and in 11.4% it was the father The mean age of mothers was...

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báo cáo hóa học:" Measuring adolescents'''' HRQoL via self reports and parent proxy reports: an evaluation of the psychometric properties of both versions of the KINDL-R instrument" docx

Ngày tải lên : 20/06/2014, 16:20

... conducted the statistical analyses and wrote the manuscript BK and URS were the principal investigators of the study; they designed the study's concept and supervised the writing of the manuscript ... psychometric properties The first psychometric property of interest is the dimensionality of the assessment Analyses of this property could reveal whether the children themselves and their parents ... indicator of a chronic health condition Proxy report data were available for 7,166 cases In 82.8% of cases, the proxy was the mother and in 11.4% it was the father The mean age of mothers was...

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Báo cáo hóa học: " The impact of spatial correlation on the statistical properties of the capacity of nakagami-m channels with MRC and EGC" pdf

Ngày tải lên : 20/06/2014, 22:20

... [29] Page of 12 The temporal behavior of the channel capacity can be investigated with the help of the LCR and ADF of the channel capacity The LCR of the channel capacity is a measure of the expected ... presents the derivation and analysis of the PDF, CDF, LCR, and ADF of the instantaneous channel capacityc of spatially correlated Nakagami-m channels, for both MRC and EGC The PDF of the channel ... can be found with the help of (4) and by employing the relation pg(z) = (1/gs) pΞ (z/gs) Thereafter, applying the concept of transformation of random variables, the PDF pC(r) of the channel capacity...

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Báo cáo hóa học: " On the Morphology, Structure and Field Emission Properties of Silver-Tetracyanoquinodimethane Nanostructures" pptx

Ngày tải lên : 21/06/2014, 17:20

... that the emission area in this high field region not changed, and the stability of field emission is high The slopes and intercedes of these plots in the high field region are the same, showing the ... influences the length of as-obtained nanowires Actually, the length of the nanowire depends on the thickness as well as the growth time Given that the growth reaction is completed, we observe that the ... are the same With the temperature increasing, the turn-on field is 2.0, 5.5 and 7.0 V/lm, respectively The turn-on field for the former one is lower than that of the latter two, mainly because they...

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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

Ngày tải lên : 22/06/2014, 18:20

... considering only thermal population effects in the range of 15–60 K, we have imposed and solved a set of rate equations The solutions gave us the expressions for the intensities I1, I2 and I3: I1 ðTÞ ... 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 ... relative weights of each process, the longest component being more and more important by detecting wavelengths from the blue to the red side of the whole emission spectrum Moreover, the nonexponential...

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Báo cáo y học: "Biology of recently discovered cytokines: Discerning the pro- and anti-inflammatory properties of interleukin-27" pptx

Ngày tải lên : 09/08/2014, 01:24

... the limited distribution of WSX-1, the ability to activate Jak/STAT signaling pathways implies that the principal function of the IL-27R, like that of fellow GP130 user IL-6R (Fig 1), is in the ... hypothesis, recombinant IL-27 can augment proliferation and secretion of IFN-γ by naïve CD4+ T cells [3,39,40] and when combined with The paradoxical pro- and anti-inflammatory properties of IL-27 ... enhanced T and NK T cell production of IFN-γ and the severe liver pathology observed in these animals can be curbed through depletion of IFN-γ, CD4+ cells or NK1.1+ cells [54] Together, these studies...

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Báo cáo khoa học: "Comparative study on the in vitro and in vivo properties of two bovine herpesvirus-5 reference strains" pptx

Ngày tải lên : 12/08/2014, 18:22

... animals 628 and 192, the lack of IgA detection could be due to the sensitivity of the ELISA test available In the case of animal 191, as discussed above, the reason could have been the lack of infection ... context, the aim of the present study is to compare the in vitro and in vivo properties of these two BoHV-5 reference strains belonging to different subtypes Materials and methods Viruses and cell ... further analyze the cell-to-cell spread of the N569 and A663 strains, the infection plaque size assay was performed This assay takes into consideration the cells lysed by the virus and also the...

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