Báo cáo khoa học: " Early growth performance of salal (Gaultheria shallon) from various North American west-coast locations" pot
Báo cáo khoa học: " Early growth performance of salal (Gaultheria shallon) from various North American west-coast locations" pot
... of the plot see legend to figure 2a.Original article Early growth performance of salal (Gaultheria shallon) from various North American west-coast locationsCharles E. Dorwortha, Thomas N. ... the results of the analyses of variance (table II).However, only the volumes of plants grown from seedlots 6 and 23 were significantly different from morethan one of those grown from the other ... Incontrast, the growth performance of seedlot 15 from far-thest north was not reduced compared to seedlots from sites more to the south. It behaved in a similar manner tosome seedlots from Vancouver...
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Báo cáo khoa học: "Improving the Performance of the Random Walk Model for Answering Complex Questions" pptx
... purpose of our experiments is to study theimpact of the syntactic and semantic representationfor complex question answering task. To accomplishthis, we generate summaries for the topics of DUC2007 ... Machines. In Technical Report TR-CSLR-2003-03, University of Colorado.P. Kingsbury and M. Palmer. 2002. From Treebank toPropBank. In Proceedings of the international con-ference on Language Resources ... ROUGE: A Package for Auto-matic Evaluation of Summaries. In Proceedings of Workshop on Text Summarization Branches Out, Post-Conference Workshop of Association for Computa-tional Linguistics,...
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Báo cáo khoa học: "Comparative growth analysis of five first year establishment poplar clones (Populus sp.) grown under a short-rotation intensive culture system" docx
... Nat. Resources For. Res. Inf.Paper #102, 1-1 to 1-6...
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Báo cáo khoa học: "Early clinical experience of radiotherapy of prostate cancer with volumetric modulated arc therapy" pps
... in clinical practice of our institute since Sep-tember 2008 for a variety of indications. The presentstudy reports about the early findings from the treatment of a group of 45 patients affected ... hypo-fractionation. Quality assurance measurementsprovided a confirmation of the robustness of the methodand of the independence of treatment quality from thetechnical features. In fact, pre-treatment QA measure-ments ... objective of this first phase of clinical intro-duction of RA is the assessment of the possibility toadminister to patients standard radiotherapy treatmentsand moreover to investigate the potentials...
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Tài liệu Báo cáo khoa học: Post-translational cleavage of recombinantly expressed nitrilase from Rhodococcus rhodochrous J1 yields a stable, active helical form ppt
... number of degrees of freedom. The twofold axis of the dimer model mustcoincide with the appropriate twofold axis of the stainenvelope. Thus, the two possible degrees of freedom(apart from the ... of putative CN hydrolase from yeast. Proteins:Struct Funct Genet 52, 283–291.10 Sakai N, Tajika Y, Yao M, Watanabe N & Tanaka I(2004) Crystal structure of hypothetical protein PH0642 from ... Activation of the enzyme on oligomerization of the dimers is typical of Rhodococcal nitrilases[17,18], and links formation of the quaternary structureto the activity. Knowledge of interactions...
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Báo cáo khoa học: Mechanisms and kinetics of human arylamine N-acetyltransferase 1 inhibition by disulfiram potx
... the action of DS have alsobegun to emerge with the identification of new pro-tein targets of this drug [6–8]. Among them, XMEssuch as CYP 2E1 and certain GST isoforms haveInhibition of NAT1 functions ... at 37 °C for various periods of time(up to 20 min). The reaction was quenched by the addition of 200 lL of ice-cold aqueous perchlorate (15% w ⁄ v), andF. Malka et al. Inhibition of NAT1 functions ... samples (final concentra-tion of 75 lgÆmL)1with a specific activity towards PAS of 98 ± 7 nmolÆmin)1Æmg)1) with various concentrations of DS (up to a final concentration of 8 lm )in25mmTris ⁄ HCl,...
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Báo cáo khoa học: Hexameric ring structure of a thermophilic archaeon NADH oxidase that produces predominantly H2O pot
... [10,11,15,31]. Previously,the production of H2O2was considered to be the dis-tinctive property of NOX proteins from thermophiles[10,11], with the exception of NOX from P. furiosus,which produces ... proceduresPurification of NOXtp from T. profundusThermococcus profundus cells (8 L) were grown at 80 °Casreported previously [32]. After harvesting, the cells were dis-solved in 20 mm potassium phosphate ... spectral features of proteins with bound flavincofactors (Fig. 4A). The absorbance behavior alsoallowed the determination of the number of flavin mol-ecules bound per mole of NOXtp subunit [17,25,26]....
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Báo cáo khoa học: Protein folding intermediates of invasin protein IbeA from Escherichia coli pdf
... 222 × 10–3 deg cm2 dmol–1presence of saltabsence of saltFig. 5. Effect of salt on the structure of IbeA. Structural changes of IbeA as a function of pH were monitored by studying ellipticityvalues ... spectra of IbeA at pH 7.0and 2.0 and in the presence of 6 m Gdm-HCl areshown in Fig. 3. The lowering of pH from 7.0 to 2.0drastically decreased fluorescence intensity by 70–75%with a blue shift of ... to the quencher.Denaturation of IbeA as a function of Gdm-HClGdm-HCl induced denaturation of IbeA at a given pH,was performed with increasing concentrations of theD. R. Mendu et al. Protein...
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Báo cáo khoa học: Expression and characterization of the protein Rv1399c from Mycobacterium tuberculosis A novel carboxyl esterase structurally related to the HSL family docx
... proximity of His290 tohydrophobic residues from the b8-a8 loop (Trp189,Tyr190), could f avor the displacement of the equilibriumtoward the neutral state of His290.To attest this hypothesis, ... Allcalculations were performed using the software providedby the manufacturer.Kinetic assays. Enzymatic hydrolysis of solutions andemulsions of various esters was followed potentiometricallyat 2 5 °C ... was then washed using five column volumes of 5% and 10% of buffer B (buffer A + 500 mMimidazole).Enzyme was eluted with 50% of buffer B; f ractions of elutedpeaks containing purified Rv1399c...
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Báo cáo khoa học: Molecular identification of monomeric aspartate racemase from Bifidobacterium bifidum pptx
... described by Hashimotoet al . [13]. One unit of the enzyme was defined as theamount of enzyme that catalyzes the formation of 1 lmol of D-aspartate from L-aspartate p er hour.Protein concentrations ... proteinsequencer.ResultsPurification of aspartate racemase from B. bifidumThe aspartate racemase was purified to homogeneity from cell extracts of B. bifidum NBRC 14252. A summary of thepurification is presented ... velocity of the enzymatic aspartate racemiza-tion was measured against various concentrations of bothenantiomers of the amino acid. As shown in T able 2, the KmABFig. 1. SDS/PAGE of aspartate...
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