isotopic patterns at low resolution
Tài liệu Dramatic Attenuation in Fiber Access Terminals at Low Temperatures doc
... Believing that the contraction of the sub-unit could be pulling the fiber and causing microbends, ADC set out to test the theory Choosing a sub-unit that was exhibiting high attenuation loss at low temperature, ... to the same low temperature attenuation issue since the ribbon strands are completely removed from the center tube for accessing individual fibers Rather, the issue appears to be isolated to specific ... as the industry leader in customer satisfaction References O.S Gebizlioglu, "Time- and Temperature-Dependent Material Behavior and Its Impact on LowTemperature Performance of Fiber Optic Cables."...
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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
... that the activity that we measure for bkcat does not approach zero at low pH For a titration that ends at zero activity for the fully protonated histidine, theory predicts that at pH unit below ... the difference between bkcat and kcat at high pH is large relative to the difference at low pH, and the difference between bkcat at high pH and bkcat at low pH is relatively large (Fig 5) In all ... concentration data (data not shown) The A328W mutant has a remarkable pH vs activity profile (Fig 2, bottom right panel) At low pH, bkcat is larger than kcat, but at high pH bkcat is smaller than kcat...
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Báo cáo khoa học: Unusual stability of human neuroglobin at low pH – molecular mechanisms and biological significance docx
... that is thought to realistically mimic the interior of the protein matrix Urea-mediated denaturation The urea-mediated denaturation of Ngb and Mb was followed by monitoring the ellipticity at ... have indicated that globular proteins can be denatured in acid by nonspecific electrostatic repulsions between residues that become positively charged at low pH [49,51] In addition, at low pH, some ... Asahina K, Nakatani K, Minamiyama Y, Seki S & Yoshizato K (2001) Characterization of a stellate cell activation-associated protein (STAP) with peroxidase activity found in rat hepatic stellate cells...
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Báo cáo khoa học: Different roles of two c-tubulin isotypes in the cytoskeleton of the Antarctic ciliate Euplotes focardii Remodelling of interaction surfaces may enhance microtubule nucleation at low temperature doc
... template at cold temperatures [12,35] and that the residue substitutions and conformational changes at the plus-end facilitate longitudinal interaction with the a-tubulin subunit located at the ... 45 cycles of denaturation at 95 °C for 30 s and annealing and extension at 60 °C for 15 s each Following amplification, melting curve analysis of the DNA was performed at temperatures in the range ... Recently, we have shown that activation of the heatshock response in the ciliate T thermophila requires GATA motifs, heat-shock transcription elements, and their cognate transcription factors...
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Maximum reproductive rate of fish at low population sizes potx
... observations are not included in this analysis The SPRF=0 was calculated using estimates of natural mortality, weight at age, and maturity at age Maturity and weight at age were usually estimated ... error variance that we produced simulated reα cruitment values that would closely match the actual data We generated 1000 “realizations” of the 20 populations, randomly generating new log ~ values ... numbers at age under the assumption that catch at age is known without error and that natural mortality at age is known and constant For salmon stocks, spawner abundance is the estimate of the...
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TiO2nanotubes and CNT–TiO2hybrid materials for the photocatalytic oxidation ofpropene at low concentration
... photocatalysts for propene oxidation at low concentration The photocatalytic performance of these new materials was investigated for the oxidation of propene at low concentration, 3.2.1 Oxidation ... completely (at 700 8C) Sample TiO2-NT2 was prepared by heat treatment in Ar at 550 8C followed by a heat treatment in air at 520 8C Sample TiO2-NT3 was prepared by heat treatment in Ar at 700 8C followed ... anatase nanotubes, and thus are ideal candidates for photocatalytic testing The test reaction in this work is the photocatalytic oxidation of volatile organic compounds (VOC) at low concentration,...
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Báo cáo Y học: Characterization of a partially folded intermediate of stem bromelain at low pH ppt
... intensity These observations suggest that the protein at pH 2.0 is present in a conformational state that is different from the native state at pH 7.0 as well as completely unfolded state in the presence ... constant, indicative of the presence of a non-native stable intermediate at low pH The emission spectrum of stem bromelain at pH 7.0 (Fig 2) shows a maximum at 347 nm that suggests that some of the ... the native state of the protein, the denatured state of the protein and of the acid-induced state at pH 2.0 As seen in the ®gure, the spectrum of stem bromelain at pH 2.0 differs from that at pH...
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Báo cáo khoa học: ATPase activity of RecD is essential for growth of the Antarctic Pseudomonas syringae Lz4W at low temperature potx
... for the reactions were calculated Km(ATP) was determined at a saturating concentration (1 lm) of ssDNA, and Km(DNA) was calculated at a saturating concentration of ATP (2 mm) The values obtained ... each case, Vmax (maximal rate of ATP hydrolysis), Km(ATP) (ATP concentration at the half-maximal rate of reaction) and Km(DNA) (DNA concentration at the halfmaximal rate of ATP hydrolysis) for the ... adaptive features that allow them to survive and grow at a very low temperature [10–14] A molecular understanding of these features would be important to our knowledge regarding low- temperature-adapted...
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Báo cáo khoa học: The histidine-phosphocarrier protein of Streptomyces coelicolor folds by a partially folded species at low pH ppt
... denaturation followed by ANS The chemical-denaturation folding of S coelicolor follows a two-state mechanism at neutral and high pH values, as happens in other small proteins [44] The denaturation ... suggesting that protein stability was similar in that pH range It is interesting to note here that the transition at pH 3.5 (Fig 5A) showed a low degree of cooperativity at low temperatures, although ... chemical denaturation curves of HPr at pH 7.5, 10 mM phosphate, followed by fluorescence, far-UV and gel filtration chromatography at 25 °C The agreement between the three probes suggests that the chemicaldenaturation...
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Báo cáo hóa học: " Catalytic ozone oxidation of benzene at low temperature over MnOx/Al-SBA-16 catalyst" pdf
... was heated at 450°C in a Pyrex glass reactor under an O2 flow The catalyst was then cooled and maintained at 80°C In each experiment, 0.05 g of the catalyst was used The ozone flow rate and benzene ... article as: Park et al.: Catalytic ozone oxidation of benzene at low temperature over MnOx/Al-SBA-16 catalyst Nanoscale Research Letters 2012 7:14 Author details Graduate School of Energy and ... 24 h at the same temperature The mixture was then put in an oven at an elevated temperature of 100°C for 24 h After this hydrothermal aging, the solid product formed was recovered by filtration...
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Báo cáo hóa học: " A Versatile Route for the Synthesis of Nickel Oxide Nanostructures Without Organics at Low Temperature" doc
... and the state of water at elevated temperatures is different from that at room temperature The solubility and the reactivity of the reactants also change at high pressures and high temperatures, ... be occurring at the small oxide nuclei that may be present on the metal surfaces Moreover, water at elevated temperatures plays an essential role in the precursor material transformation because ... structural evaluation of NiO nanostructures The EDX measurement indicates that nanoparticles are composed of Ni and O, and the analysis in the NiO nanoparticles/nanoflowers indicates an atomic ratio of...
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Báo cáo hóa học: " Research Article How to Solve the Problem of Bad Performance of Cooperative Protocols at Low SNR Charlotte Hucher, Ghaya Rekaya-Ben Othman, and Jean-Claude Belfiore" potx
... see in the following (see Sections 3.3 and 6.2) that channel state information needs to be known only at destination NEW SELECTION FOR AF PROTOCOLS AF protocols proposed in literature [3, 4, 6] ... 4, 6] bring diversity at high SNR, but their performance at low SNR is poorer than that of the noncooperative scheme To solve this issue, we introduce the adaptive AF strategy where the choice ... simulation results prove Charlotte Hucher et al that the adaptive cooperation enhances the performance of the initial cooperation schemes at high SNR, and solves the problem of poor performance at...
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báo cáo khoa học: " Light has a specific role in modulating Arabidopsis gene expression at low temperature" potx
... Ascorbate Reductase Genes At4 g35090 catalase (Up) At3 g09940 monodehydroascorbate reductase At3 g52880 monodehydroascorbate reductase At1 g20630 catalase (Down) At1 g75270 dehydroascorbate reductase At5 g03630 ... (ANAC102, At5 g63790 and ATAF2, At5 g08790), three AP2/ERF-domain proteins (At2 g23340, At5 g05410 and At4 g23750), five zinc finger proteins (At2 g47890, At5 g04340, At1 g06040, At1 g51700 and At5 g54470), ... were either unchanged (CAT1, At1 g20630) or down regulated (CAT3, At1 g20620) with catalase (CAT2, At4 g35090) as an exception, which was clearly up regulated after all three treatments i.e under the...
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báo cáo khoa học: " Spatial distribution of transcript changes in the maize primary root elongation zone at low water potential" docx
... cultivar-group);} putative amino acid transporter {Oryza sativa (japonica cultivar-group);} putative inositol polyphosphate 5-phosphatase [Oryza sativa] putative MATE efflux family protein {Oryza sativa (japonica ... of water-stressed region with well-watered region (designated C1), water-stressed region with well-watered region (designated C2), and water-stressed region with well-watered region (designated ... although no functional characterization is available [54] Root maturation-related genes Transcripts were indentified that were presumed to be related to tissue maturation in region of stressed roots...
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Báo cáo y học: " Wild-type and central DNA flap defective HIV-1 lentiviral vector genomes: intracellular visualization at ultrastructural resolution levels" doc
... hybridization Step Material Fixation Lowicryl embedding Sectioning (gold grids) Enzymatic digestion Paraformaldehyde Denaturation of grid target DNA Denaturation of hybridization solution Hybridization ... in situ hybridization (FISH) that central DNA Flap defective molecules accumulate at close proximity to the nuclear compartment indicating a late defect in nuclear import following a normal and ... However, the precise nature of the nuclear import replicative defect, such as translocation through the nuclear pore or any step that immediately precedes or follows translocation, was not known...
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Báo cáo y học: "The Nordic back pain subpopulation program - individual patterns of low back pain established by means of text messaging: a longitudinal pilot study" pdf
... course patterns that LBP exhibits over time could help identify homogenous subgroups that would have a more clear-cut response to treatment Moreover it is possible that different course patterns ... The curves that had been categorized differently by the two authors were reevaluated and consensus was obtained regarding their allocation Information on the course patterns in relation to past ... the category Moves towards mainly improved Fluctuating The possible combinations that form thirteen categories, which describe pain courses during 18 weeks First the appropriate category "at the...
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Báo cáo y học: " Optimizing automated characterization of liver fibrosis histological images by investigating color spaces at different resolutions" pptx
... approximated mathematically Therefore, TA appears to be more efficient at characterizing pathological textural features from original spaces as demonstrated for RGB This research has demonstrated that ... resolutions demonstrated that degradation of classification accuracy takes place as resolution decreases Some color spaces were more susceptible to errors than Table Texture features at full resolution ... despite lowering resolution Obtaining acceptable results with RGB at low resolution refutes the idea that TA requires high resolution for good performance The ability of achieving good classification...
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business modeling with uml business patterns at work phần 1 potx
... knowledge packaged in the form of reusable patterns (Resource and Rule Patterns, Goal Patterns, and Process Patterns) § An approach to designing support systems that are in harmony with the business ... date is of type Date with the initial value Current date, which means that when a new object of the class Invoice is created the attribute date of that object will be assigned the current date ... Chapter 7, “Resource and Rule Patterns, ” describe patterns that can be used to resolve typical problem situations that can arise when modeling the structures and relationships (including rules)...
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business modeling with uml business patterns at work phần 5 pdf
... 6.4: An example of the Employment pattern Related Patterns Patterns can be related to other patterns, alternative patterns, or complementary patterns Alternative patterns are similar to each other ... Rule Patterns, ” covers 13 such patterns; Chapter 8, “Goal Patterns, ” describes goal patterns; and Chapter 9, “Process Patterns, ” describes 10 patterns in that category In Chapters and 8, the patterns ... testing stages Patterns found in business models are referred to as business patterns; patterns found in system design are known as architectural patterns (high-level system patterns) ; patterns closer...
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business modeling with uml business patterns at work phần 6 pdf
... in Site Related Patterns The Geographic Location pattern can be combined with all patterns that require addresses or locations to be modeled Source/Credit The Geographic Location pattern is based ... to combine these patterns under the Related Patterns section for the Contract pattern PDM can also be combined with the Business Event-Result pattern, described in the Related Patterns section ... these applications in case of such a change Related Patterns The Organization and Party pattern has similarities to the Product Data Management pattern, and it can be extended in that direction,...
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