parallel processing to extract low level properties of the visual scene
Báo cáo Y học: Properties of group I allergens from grass pollen and their relation to cathepsin B, a member of the C1 family of cysteine proteinases pdf
Ngày tải lên :
08/03/2014, 22:20
... fail to catalyze expansin-like wall extension [17] A similarity of the C-terminal region of expansins to CBDs of bacterial cellulases was further suggested on the basis of conserved spacing of ... refined to further explore the biochemical function of group I allergens Expression of glycosylated and nonglycosylated rPhl p reveals differing stability of these allergens The expression of rPhl ... Y-I-P-K-V, confirming the correct processing of the yeast (a-mating factor) signal sequence for protein export The additional tyrosine resulted from the cloning site Induction of expression of rPhl p in...
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Báo cáo khóa học: Functional properties of the protein disulfide oxidoreductase from the archaeon Pyrococcus furiosus A member of a novel protein family related to protein disulfide-isomerase doc
Ngày tải lên :
16/03/2014, 16:20
... conformation of the protein in the presence of the nucleotide These experiments indicate that the binding and/or hydrolysis of ATP not have any effect on the conformation of PfPDO, possibly because of the ... the programme Microsoft Excel 2000 The curve for the determination of the Kd for ATP was obtained using the program KALEIDA GRAPH 3.0 spectra of PfPDO in the absence and presence of ATP (up to ... insulin The reaction was started by the addition of mM dithiothreitol to both cuvettes Increasing turbidity from precipitation of the insulin B chain was recorded at 650 nm The stock solution of insulin...
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low - level detection of ethanol and h2s with temperature - modulated wo3 nanoparticle gas sensors
Ngày tải lên :
20/03/2014, 13:04
... was heated up to ∼1200 ◦ C by an induction coil in the presence of a gas flow of synthetic air (80% N2 and 20% O2 ) introduced from the bottom of the induction coil The surface of the tungsten ... before the injection of the vapour sample into the airflow and took 20 to complete The sampling rate was set to 1.33 samples per second, i.e., new data were stored every 0.6 s To purge the sensor ... constant flow rate of l/min The working temperature of the sensor was modulated by applying voltage pulses to its heating element The frequency of the modulating signal had to be rather low for any...
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Báo cáo khoa học: "Using Conditional Random Fields to Extract Contexts and Answers of Questions from Online Forums" docx
Ngày tải lên :
23/03/2014, 17:20
... features: · The number of Pronouns in the question · The presence of fillers, fluency devices (e.g “uh”, “ok”) · The presence of acknowledgment tokens · The number of non-stopwords · Whether the question ... attract more users to the service To enrich the knowledge base, not only the answers, but also the contexts are critical; otherwise the answer to a question such as How much is the taxi would be ... Whether the question has a verb or not? Table 3: Features for Linear CRFs Unless otherwise mentioned, we refer to features of the sentence whose label to be predicted rums), and then use them to...
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Báo cáo khoa học: Structural adaptation to low temperatures ) analysis of the subunit interface of oligomeric psychrophilic enzymes pdf
Ngày tải lên :
30/03/2014, 03:20
... using a set of 512 points located on a sphere around each atom The sphere interaction radius of each atom is equal to the sum of the van der Waals radius of the atom type plus the radius of a water ... those of their mesophilic and thermophilic homologs The most variable features are the increase in the number of ionic interactions, the decrease in the number of hydrogen bonds, the decrease in the ... family of the main dataset The number of total ion pairs at the interface was normalized by the number of residues composing the interface For each one of the five enzyme families considered, the...
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báo cáo hóa học: " Psychometric properties of the Child Health Assessment Questionnaire (CHAQ) applied to children and adolescents with cerebral palsy" ppt
Ngày tải lên :
18/06/2014, 19:20
... elaboration of CHAQ; therefore some items were not applied to some younger age groups The higher scores correspond to the highest degree of incapacity The average of the scores of the domains makes up the ... essential to examine the measuring properties of the instruments used in the evaluation of health status or HRQOL for the interpretation of the results and for the best applicability of these instruments ... influence of the age factor but also to the motor limitation of the patient Therefore the proportion of questionnaires with "not applicable" items for each domain was analyzed and shown to be useful...
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báo cáo khoa học: "Low-level expression of HER2 and CK19 in normal peripheral blood mononuclear cells: relevance for detection of circulating tumor cells" doc
Ngày tải lên :
10/08/2014, 22:20
... origin of background and developing methods to selectively eliminate it is a critical step to improving the specificity of the RT-PCR method The goal of this study is to identify the source of background ... Participated in the design of the study, involved in drafting and revision of the manuscript, PF Participated in the design of the study, interpretation of data, involved in drafting and revision of the ... CK19 The relative levels of HER2 are lower than CK19 in epithelial cells, (even in cells with an amplified HER2 gene) while the expression of HER2 is higher than the expression of CK19 in PBMC The...
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báo cáo khoa học:" Psychometric properties of the OLQ-13 scale to measure Sense of Coherence in a communitydwelling older population" potx
Ngày tải lên :
12/08/2014, 01:22
... analysis In both the OLQ-13 and the OLQ-11, there was no unambiguous indication of the number of factors to extract Examination of the screeplot indicated a one factor solution, whereas the Eigenvalues ... using PASW 17 software, and AMOS 17 software for the confirmatory factor analyses (http://www.spss.com) The analysis of the qualitative data was supported by the use of Atlas ti software (http://www.atlasti.com/) ... OLQ-13 was hard to interpret The solution for the OLQ-11 seemed less ambiguous with regard to the theoretical dimensions of Sense of Coherence Factor correlations between the three factors ranged...
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Thermal properties of the vernacular buildings envelopes: the case of the "Sassi di Matera" and "Trulli di Alberobello
Ngày tải lên :
05/09/2013, 14:58
... "natural regulators" of thermohygrometric comfort Constructive characteristics of the "Sassi of Matera" and "Trulli of Alberobello" In the South of Italy, the sites of the "Sassi of Matera" (Figure ... measure of conductance The analyses, done in the laboratory of Technical Physics of the Polytechnic of Bari, were performed on some samples of calcarenite sandstone and calcareous stone of Fasano The ... λaverage = 1.384 W/m K Result of the thermal properties measured in the laboratory The laboratory analyses were carried out in the Laboratory of Technical Physics of the Polytechnic in Bari Measurements...
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Tài liệu Psychometric properties of the quality of life scale Child Health and Illness Profile-Child Edition in a combined analysis of five atomoxetine trials pdf
Ngày tải lên :
12/02/2014, 19:20
... ‘‘How often does your child feel happy?’’) The items of the SPS sub-domain Psychometric properties of the CHIP-CE composed the fourth factor These items did not load onto other factors and no other ... domains, where the items from sub-domains that not belong to the same domain often load together on one factor It is therefore advisable to use the sub-domains rather than the domains of the CHIPCE ... items, which belong to the PC sub-domain, had loading onto the second factor The other two PC items did not have loadings of more than 0.3 onto any factor Only one of the other comfort items (i.e.,...
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Tài liệu Báo cáo khoa học: Toggle switches, pulses and oscillations are intrinsic properties of the Src activation/deactivation cycle doc
Ngày tải lên :
18/02/2014, 11:20
... overshoot) from the low- activity branch in Fig 3A (Off state) to the high-activity branch (On state) Importantly, the reversal of stimulus to level does not return the Src activity to its Off state ... by presenting the pulse of Src activity in the plane of the inactive and active fractions, si and s1 If the duration of the stimulus exceeds the critical value, the trajectory in the (si, s1) ... excite the system again, until the trajectory returns to the initial state Sub-threshold durations of the stimulus give low- amplitude responses because trajectories remain near the lower branch of...
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Tài liệu Báo cáo khoa học: Properties of the recombinant glucose⁄galactose dehydrogenase from the extreme thermoacidophile, Picrophilus torridus ppt
Ngày tải lên :
19/02/2014, 16:20
... at the bottom of the cleft and a lobe containing the structural zinc at the mouth of the cleft and thus exposed to the solvent [8] Gradual depletion of the enzyme first of the structural and then ... in the presence of galactose (data not shown) Highly significant when considering the extremely acidophilic lifestyle of P torridus, and in particular the low cytoplasmic pH in the cells of the ... expression of the glucose dehydrogenase gene of P torridus in Escherichia coli, the biochemical characterization of its product and the effect of zinc ions on the pH and temperature stability of the...
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Tài liệu Báo cáo Y học: Electrochemical, FT-IR and UV/VIS spectroscopic properties of the caa3 oxidase from T. thermophilus docx
Ngày tải lên :
21/02/2014, 15:20
... cooperativity of the other redox centers In order to discriminate the contributions of the cofactors, inhibitors uncoupling or changing the cooperativity can be used Addition of cyanide strongly shifts the ... attributed to the different environment of the heme centers The difference signals observed at 442 nm and 603 nm can be assigned to the contributions of the hemes a and a3, with the position of the ... show deviations to the centrally discussed oxidases The study of these aberrant systems is important to understand the principles of these enzymes The cytochrome c oxidase from T thermophilus studied...
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Tài liệu Báo cáo Y học: Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin doc
Ngày tải lên :
22/02/2014, 04:20
... consequence of the presence of the same kind of spectrum for 4N complexes of GGH, where the a carbon of the His residue is the sole source of chirality [10] However, while positions of the component ... differences in the conformation of the chelate rings The characteristic alternate pattern of the dd bands in the CD spectra is dictated by the conformation of the sixmembered chelate ring involving the ... previously for the reverse reaction of acid decomposition of complexes, studied in detail for the Ni(II) complex of GGH [36,39] The reason for this is the common slow step of the rearrangement of Ni(II)...
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Tài liệu MECHANICAL PROPERTIES OF THE HEART AND ITS INTERACTION WITH THE VASCULAR SYSTEM ppt
Ngày tải lên :
22/02/2014, 09:20
... (i.e., the basic concepts of excitation–contraction coupling) To understand the basic anatomy of the heart and how whole organ ventricular properties relate to the properties of the muscle cells To ... endsystolic pressure (Pes) is identified as the pressure of the left upper corner of the loop; the significance of this pressure will be discussed in detail below Moving to the bottom of the loop, ... instantaneous atrial volume) The pressure of the point at the bottom right corner of the loop is the pressure in the ventricle at the end of the cardiac cycle and is called the end-diastolic pressure (EDP)...
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Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
Ngày tải lên :
07/03/2014, 02:20
... compared with those of avin derivatives The retention time of the prosthetic group bound to recombinant avoredoxin was identical to that of FMN (Fig S3) The A448 : A268 ratio of the holoprotein was ... Ile156 and Pro161 of the other monomer Similarly, Gly175Ala181 forms an anti -parallel intermolecular b sheet with the b12 of the other monomer, and towards the C-terminus, the subsequent residues, ... Resolution of the structure of NADP+-bound FeR revealed that the nicotinamide moiety of NADP+ faces the re-side of the isoalloxazine ring, and that the 2Â-P-AMP moiety is held in the groove between the...
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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
Ngày tải lên :
07/03/2014, 11:20
... with the N-terminal 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 ... to the fibril growth rates In the case of N-WT, the conversion to the fibrillar conformation is presumably very slow under the applied conditions This assumption, and the fact that seeds lose their ... features Possibly, these differences at the structural level are reflected in the different capacities of the two variants to fibrillize upon seeding In order to analyze whether structural differences...
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Báo cáo khóa học: Structural properties of the protein SV-IV potx
Ngày tải lên :
07/03/2014, 14:20
... and the equilibrium of self-association appears to control the biological properties of the protein [7] Moreover, the immunomodulatory activity is related to the structural integrity of the whole ... mixture of the native and acetylated peptides was observed and identified by the mass increase of 42 mass units The relative level of acetylation of a peptide was estimated on the basis of the intensity ... formation of fragments was monitored by RP-HPLC Figure shows chromatograms of the digestion mixtures of the trimeric (Fig 3A) and monomeric (Fig 3B) forms after 12 h incubation Lower amounts of all the...
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Báo cáo khoa học: Spectroscopic and kinetic properties of the horseradish peroxidase mutant T171S Evidence for selective effects on the reduced state of the enzyme potx
Ngày tải lên :
07/03/2014, 21:20
... bands resulting from the tautomerism of the imidazole Nd proton with respect to the donor and acceptor atoms of the proximal His and Asp H-bond [11] The only exception to this is the cationic ascorbate ... demonstrated the sensitivity of the proximal region in determining the electronic and structural properties of the haem pocket In the present study we attempt to obtain further insights into the extent to ... ferrous state of the mutant may contribute to an increase in the disorder and hence entropy of the reduced state of the mutant compared to that of the wild-type protein In contrast to the present...
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