Báo cáo "Thermomechanical characteristics of rigid poly(vinyl chloride) crosslinked by a peroxide in the presence of trimethylolpropane trimethacrylate " pdf
Báo cáo "Thermomechanical characteristics of rigid poly(vinyl chloride) crosslinked by a peroxide in the presence of trimethylolpropane trimethacrylate " pdf
... penetration of the above samples are automatically recorded. Thermomechanical characteristics such as glass transition temperature, softening point, and linear thermal expansion coefficient are ... phr of DAPC and 15 phr of TMPTMA has the minimum Ts.Table 1: Softening point of the PVC samples containing different concentrations of DAPC and TMPTMA Concentrations of Softening point, ... mobility and melting of PVC chains. So, the crosslinked PVC samples are more difficult to be softed and penetrated. Among the samples crosslinked by DAPC and TMPTMA, the sample containing 0.2...
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Tài liệu Báo cáo khoa học: NMR structural characterization of HIV-1 virus protein U cytoplasmic domain in the presence of dodecylphosphatidylcholine micelles doc
... distance con-straints [78], and dyana for calculation of preliminaryprotein structures [79]. radar runs in an iterative manner. The input of the first cycle consisted of the 3D NOESYdata, the amino ... enhancement of protein nuclear spinsafter the introduction of paramagnetic probes into the interior of the micelle or the aqueous buffer. Qualitative analysis of secondary chemicalshift and paramagnetic ... 20% and 50%. The paramagnetic relaxation enhancement (PRE)data indicated a location of helices 2 and 3, as well as of the residues between helix 3 and the loop, in the micelle–water interface...
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Tài liệu Báo cáo khoa học: Modulation of a-synuclein aggregation by dopamine in the presence of MPTP and its metabolite pptx
... dopamine on the aggregation process. Dopamine delayed the lagphase of aggregation marginally to 95.5 h from 86.8 h in the presence of MPTP alone. The apparent rateconstant of aggregation in the ... eluates were pooled and the amount of protein was determined by the bicinchoninicacid assay [38] using bovine serum albumin as a standardprotein. The pooled eluate fractions were dialysed againstwater ... mentioned ear-lier, the loss of dopaminergic neurons in substantianigra is a neuropathological hallmark of Parkinson’sdisease. This leads to a decreased level of dopamine in the striatum. As a result,...
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Tài liệu Báo cáo khoa học: Golgi reassembly stacking protein 55 interacts with membrane-type (MT) 1-matrix metalloprotease (MMP) and furin and plays a role in the activation of the MT1-MMP zymogen pdf
... for furin-mediated activation of transmem-brane substrates. The activation of ADAM17 by furin[68] and our observation of an interaction betweenGRASP55 and the ICD of ADAM17 (C. Roghi andL. ... is a proteinaseinvolved in the remodelling of extracellular matrix and the cleavage of a number of substrates. MT1-MMP is synthesized as a zymogen that requiresintracellular post-translational ... (GRASP55). Further analysis revealed that GRASP55 associated with the cytoplasmic domain of both proteases and that the LLY573motif in the MT1-MMP intracellular domain was crucial for the interaction...
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Tài liệu Báo cáo khoa học: High-affinity ligand binding by wild-type/mutant heteromeric complexes of the mannose pptx
... anunexpected decrease in PMP-BSA binding. It thusappears that tethering of the C-terminal end of the ectodomain is important for both IGF-II and PMP-BSA binding. In summary, the major findings ... shown asrectangles. The shaded rectangles indicate repeats 3 and 9, towhich the main determinants of Man-6-P binding have beenmapped. The stippled rectangles represent repeat 11 containing the ... percentage of binding would follow the line displayed in the bar graph. However, the datashow that when a mutant FLAG-tagged mini-receptorserved as the ‘bait’ for immunoprecipitation, bindingof...
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Tài liệu Báo cáo khoa học: Efficient killing of SW480 colon carcinoma cells by a signal transducer and activator of transcription (STAT) 3 hairpin decoy oligodeoxynucleotide – interference with interferon-c-STAT1-mediated killing pdf
... participates in growth regulation of human breast carcinoma cells.Oncogene 20, 2499–2513.9 Kanda N, Seno H, Konda Y, Marusawa H, Kanai M,Nakajima T, Kawashima T, Nanakin A, Sawabu T,Uenoyama Y ... (2004) The interaction of specific peptide aptamers with the DNA bindingdomain and the dimerization domain of the transcrip-tion factor Stat3 inhibits transactivation and inducesapoptosis in tumor ... never increased by more than twofold (Fig. 6B). In the absence of IFN-ctreatment, there was a low but clearly detectablephosphorylation of STAT3. Finally, to analyse the interaction of both STAT1...
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Tài liệu Báo cáo khoa học: Suppressed catalytic efficiency of plasmin in the presence of long-chain fatty acids Identification of kinetic parameters from continuous enzymatic assay with Monte Carlo simulation ppt
... amidolyticassay of plasmin activity, according to Model I, in the presence of oleate (OA) and arachidonate (AA), or, according to Model III, in the presence of stearate (SA). Using the Monte Carlo ... The ‘0 ’ indicates the set of parameters in the absence of fatty acids. Shaded ellipses combine parametersbelonging to the same type of fatty acid (data for oleate and the absence of fatty acids ... molecule, the amidolytic activity of two truncated plasmin variants was examined(Fig. 8). Miniplasmin (des-kringle 1-4 plasmin) con-tains the kringle 5 and the catalytic domain of plas-min, whereas...
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Tài liệu Báo cáo khoa học: Altered inactivation pathway of factor Va by activated protein C in the presence of heparin doc
... FXa cofactor activity of the reactionintermediate, FVaint. This facilitated the determination of loss of FVa cofactor activity during the initial stage of inactivation and minimized the in uence ... that the inhibition of APC-mediated FVainactivation by heparin is related to the ability of heparinto bind APC, we used recombinant mutants of APCharboring mutations in the heparin-binding ... molecular weight heparin (FragminÒ)had the same effects on the rate constants of FVa inactivation asUFH, but pentasaccharide did not inhibit FVa inactivation.Analysis of these data in the context of...
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Tài liệu Báo cáo khoa học: High activity of human butyrylcholinesterase at low pH in the presence of excess butyrylthiocholine pptx
... form of BuChE, as indicated. In each panel, the solid circlesindicate the measured kcatvalues, the solid squares indicate the measured bkcatvalues, and the lines are the result of fitting the ... mutant form of BuChE, as indicated. In each panel, the solidcircles indicate the measured kcatvalues, the solid squares indicate the measured bkcatvalues, and the lines are the result of ... diad causes the basicity of the histidine to increase, so that it is able toaccept/abstract the Oc proton from the catalytic serine.Transferring a proton from the catalytic serine to the catalytic...
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Báo cáo khoa học: Relationship between functional activity and protein stability in the presence of all classes of stabilizing osmolytes ppt
... havetherefore measured the thermodynamic parameters of RNase -A in the presence of these amino acids andamino acid derivatives, and values of DGD°, measured in triplicate, are given in Table ... DGD° values in the presence of these osmolytes are given in Table 1. How-ever, DGD° values of RNase -A in the presence of alanine, serine, lysine, b-alanine, taurine and dimethyl-glycine have ... 1–12.24 Singh LR, Dar TA, Haque I, Anjum F, Moosavi-Movahedi AA & Ahmad F (2007) Testing the paradigmthat the denaturing effect of urea on protein stability isoffset by methylamines at the...
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