... time of heatsetting (air, solvent or water) and the tension applied to the substrates during heatsetting [11, 12] The essence of this paper is to determine the effect of time of heatsetting on the ... Figure Effect of time of heatsetting on the linearity of load extension in weft direction of knitted Ingeo™ Poly (lactic acid) Figure Mean effect of time of heatsetting on the linearity of load extension ... [PLA] Figure Mean [Ā] of effect of time of heatsetting on the tensile extension EM [%] of Ingeo™ Poly (lactic acid) 3.2 Linearity of load extension curve LT [-] The linearity of load extension curve...
Ngày tải lên: 05/09/2013, 16:10
... in the ECM, and the pH of the ECM control the filtering aspect of the ECM The ECM is a transit area for the passage of nutrients from the bloodstream into the cells and for toxins released by the ... improve the electrical functions of the ECM Therefore the composition and degree of toxicity of the ECM-glycocalyx interface will affect the electrical field and the flow of biocurrents in the ECM The ... between the inside of the cell and the outside of the cell The difference is known as the membrane potential • Because the membrane potential is created by the difference in the concentration of ions...
Ngày tải lên: 14/02/2014, 22:20
Tài liệu Báo cáo khoa học: Understanding the binding properties of an unusual metal-binding protein ) a study of bacterial frataxin pdf
... disappearance of specific resonances without the concomitant appearance of other signals in other parts of the spectrum This result could be a consequence of the paramagnetic properties of Fe(II), ... Titration of CyaY with Fe2+ and Fe3+ Addition of Fe2+ induced the displacement of several resonances in the [1H,15N]-HSQC NMR spectrum of CyaY, but the most striking consequence of the addition was the ... induce a line ˚ broadening of 1–100 Hz in nuclei located within A of the binding site, depending on the molecular mass of the protein and the strength of the magnetic field The only exceptions are...
Ngày tải lên: 18/02/2014, 16:20
Tài liệu Báo cáo khoa học: The kinetic properties of various R258 mutants of deacetoxycephalosporin C synthase doc
... in the apparent Km values for these substrates The interpretation of these results is complicated because the levels of uncoupling will be variable depending on the mutant and the nature of the ... binding In the case of the R258K mutant this may be allowed because of disordering of the lysine side-chain, as was previously observed for the R258Q mutant (Fig 1) [17] In the case of the R258H ... of mutations appears to be similar regardless of whether the prime substrate was penicillin G or ampicillin Utilization of 2-oxoglutarate by the R258 mutants The level of 2-OG conversion in the...
Ngày tải lên: 20/02/2014, 23:20
Guidelines for the Nutritional Management of Children With Renal Disease pot
... The feed should provide the infants protein requirement The concentration of feed may need to be increased if the infant requires a strict fluid restriction The amount of formula may require to ... First has the lowest potassium and phosphate and should be the preferred choice of formula Medical staff prescribe the fluid allowance which is based on urine output and insensible losses The feed ... and medical staff to assist in the nutritional management of infants and children with renal disease within Yorkhill Division Specifically these guidelines detail nutritional requirements in: •...
Ngày tải lên: 05/03/2014, 12:20
Báo cáo khoa học: The importance of polymerization and galloylation for the antiproliferative properties of procyanidin-rich natural extracts doc
... compounds of interest in the prevention of colon cancer In the present study, we investigated the relationship of different structural factors of procyanidins, such as the mean degree of polymerization ... 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 ... spectroscopy to test the radical-scavenging capacity of the fractions The results show that the oligomeric fractions (VIIIG, IVG, VIIIP and IVP), which were the most effective in the previous assays...
Ngày tải lên: 07/03/2014, 05:20
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
... domain of PABPN1 consisting of amino acids 1–125 of the wild-type protein (N-WT) Because the aim of this study was to investigate the effect on the fibrillation properties of the most extreme disease-associated ... 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 sample ... [26] The formation of amorphous aggregates was independent of the presence or length of the poly l-alanine sequence In contrast, no amorphous aggregates were observed with the N-terminal domain of...
Ngày tải lên: 07/03/2014, 11:20
Báo cáo khoa học: On the aggregation properties of FMRP – a link with the FXTAS syndrome? pot
... in isolation, they have an elevated tendency to self-associate To further characterize the nature of aggregation of FXR proteins, we have carried out a study of their aggregation properties using ... average diameter of 10 nm (Fig 6D) They also clustered together and were often found to be decorated with the uranyl acetate stain Taken together these results confirm a marked tendency of FXR constructs ... analysed the secondary structure content at different temperatures of FMRP Nt-KH1 (residues 1–280), the longest of the FMRP fragments we could obtain in a stable form (Fig 3A) The spectrum of Nt-KH1...
Ngày tải lên: 14/03/2014, 23:20
Báo cáo khoa học: Role of the structural domains in the functional properties of pancreatic lipase-related protein 2 pot
... in the affinity of the PLRP2 for micellar substrates, and probably allows the interaction of the enzyme with the substrate structure Whether the motion of the lid promotes the recognition of the ... 79 and resulting in the unmasking of the catalytic triad of the enzyme induced by the motion of the flap The accessibility of the active site can be tested using the ability of an organophosphate, ... of the PLRP2 subfamily The aim of our study was to investigate the contribution of the N-terminal and C-terminal domains to the particular behavior of hoPLRP2 The structural organization of the...
Ngày tải lên: 16/03/2014, 06:20
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
... 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 ... 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 rPAH ... (relative to the catalytic iron) and the hydrogenbonding network of the bound H4biopterin Moreover, the substrate induced repositioning of the cofactor also accounts for the release of its interaction...
Ngày tải lên: 17/03/2014, 09:20
Báo cáo khoa học: "ON THE SUCCINCTNESS PROPERTIES OF UNORDERED CONTEXT-FREE GRAMMARS" ppt
... has s counting Proof This proof is really just a generalization of the proof of Theorem It uses, however, the Q subsets in a way that the proof of Theorem does not First, we drop the n subscript ... {at .a~} The number of strings in A is less than or equal to the number of ways of selecting one of the u strings Consider the u string to the leftof the boundary which z overlaps Because of wraparound, ... polynomiaUy bigger than the size of a grammar for the language itself The proof of this claim rests on inspection of one of the standard proofs, say Hopcroft and Ullman [5] The result is proved...
Ngày tải lên: 17/03/2014, 20:20
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
... of these novel EPR signals to either the cofactor or the P-cluster has proven elusive due to the fact that both of these metal clusters present in the Fe-only nitrogenase are diamagnetic in the ... identical with the control spectrum in the absence of Rc1Mo Furthermore, with the exception of the classical S ¼ 3/2 signal of the MoFe protein at lower temperatures (< 12 K), no other signal was ... 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...
Ngày tải lên: 18/03/2014, 01:20
Báo cáo khoa học: Odorant binding protein has the biochemical properties of a scavenger for 4-hydroxy-2-nonenal in mammalian nasal mucosa doc
... the credibility of the ‘scavenger’ hypothesis, we designed the last two parts of this study to simulate the physiological conditions in this tissue We evaluated the functional properties of the ... chemical modifications of OBP as a result of incubation with large excesses of HNE and evaluation of their effects on the binding properties of the protein; (c) determination of OBP functionality ... Evaluation of the third hypothesis, the molecular basis of which is described above, is the aim of this study Here, we report the binding properties, chemical modification and chemical resistance of recombinant...
Ngày tải lên: 23/03/2014, 10:20
Báo cáo khoa học: On peptide bond formation, translocation, nascent protein progression and the regulatory properties of ribosomes ppt
... 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 ... to the inner shell and contacting the lower part of the 3¢ termini of the tRNA molecules, four of the P-site nucleotides are located somewhat deeper in the PTC, compared with their mates at 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...
Ngày tải lên: 23/03/2014, 17:22
Báo cáo khoa học: Altering the surface properties of baculovirus Autographa californica NPV by insertional mutagenesis of the envelope protein gp64 ppt
... used for further amplification Sequence analysis of PCR products from these mutant viruses confirmed the correct insertion of the ELDKWA peptide into the gp64 gene To observe the growth of viral mutants ... demonstrating the disruption of the epitope of this mouse mAb and the absence of any wild-type gp64 (Fig 3B) Expression of recombinant gp64 in infected insect cells The expression levels of recombinant ... On the Y-axis the mean intensity of fluorescence for infected Sf9 cells, expressed as the median of fluorescence of three independent infections, is shown Error bars correspond to the SD of the...
Ngày tải lên: 23/03/2014, 21:21
Báo cáo khoa học: The biochemical properties of the mitochondrial thiamine pyrophosphate carrier from Drosophila melanogaster ppt
... orthologs in other organisms They are the two isoforms of the ADP ⁄ ATP translocase [14–16], the carnitine ⁄ acylcarnitine [17,18], citrate [13] and mitoferrin carriers [19] In the present study, ... CG6608-RB The significance of these two transcripts, which have arisen from alternative splicing of the 5¢-UTR, is not yet known However, the 5¢-UTR of eukaryotic mRNAs can play a role in the posttranscriptional ... does not catalyze the unidirectional transport (uniport) of dATP, but only the exchange reaction The uniport mode of transport was further investigated by measuring the efflux of dATPaS-[35S] from...
Ngày tải lên: 29/03/2014, 08:20
Báo cáo khoa học: Protein dissection enhances the amyloidogenic properties of a-lactalbumin potx
... results from the replacement of labile protons by deuterium The features of the H ⁄ D exchange of the low-pH MG of LA have been already examined [43–46], showing that only the amides in the a-domain ... level of the b-subdomain of the 123residue chain of the protein (Fig 1) We have also characterized the early stages of protein aggregation in order to get insights into the molecular mechanisms of ... (Micromass) with a tolerance of Da The percentage of hydrogen exchange was calculated by the ratio between the observed mass of the protein at each time-point and the measured mass of the fully deuterated...
Ngày tải lên: 30/03/2014, 16:20
Báo cáo Y học: Effect of ibuprofen and warfarin on the allosteric properties of haem– human serum albumin A spectroscopic study potx
... occurrence of slowly exchanging water molecules in the surroundings of the paramagnetic ferric haem center [7] In the presence of saturating amounts of ibuprofen and warfarin, the R1p value of hexacoordinated ... allowed the determination of values of the apparent dissociation equilibrium constant (Kd) and of the Hill coefficient (n ) for haem binding to HSA, in the absence and presence of ibuprofen and ... 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...
Ngày tải lên: 31/03/2014, 23:20
Influence of the support on the physicochemical properties of Pt electrocatalysts: Comparison of catalysts supported on different carbon materials
... content of oxygen groups, compared with the other materials The oxidation treatments affected the different properties of the carbon materials and the effects depended on the severity of the oxidation ... support, thereby facilitating the access of the aqueous solution of the metal precursor to the internal pore structure during the impregnation stage And on the other hand, it is expected that they ... position of the maximum of the PSD was used as the average pore diameter The textural properties of both the supports and catalysts were determined by this technique The surface chemistry of the carbon...
Ngày tải lên: 23/04/2014, 22:47
coats & schauberger - the water wizard - the extraordinary properties of natural water (1997)
... discord of every kind The thorough study of water therefore signifies the end of monopolies, the end of all domination in the truest sense of the word and the start of a socialism arising from the ... more the flow of water weighs into the bends, the longer its path and the worse the water will become "The spreading of the most terrible disease of all, of cancer, is the necessary consequence of ... Bend Formation The Influence of the Geographical Situation and the Rotation of the Earth The General Tasks of River Regulation The Regulation of Temperature Gradient The Movement of Temperature...
Ngày tải lên: 04/06/2014, 12:43