pairwise mechanism for metathesis
Tài liệu Báo cáo khoa học: "A COMPUTATIONAL MECHANISM FOR PRONOMINAL REFERENCE" pot
... checked for minimality during a second Since update-node is a general mechanism for adding or modifying information to a node on the basis of c-commanding constituents it is fairly straightforward ... number, s For bound anaphors, this is straightforward: a bound anaphor and its antecedent must agree in person and number For personal pronouns, on the other hand, eCuwently,NPs are not specifiedfor ... interested in creating syntactic representations for their own sakes, but to make use of them Explicitly representing antecedence information for personal pronouns contributes to this goal In...
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A Survey on Network Security and Attack Defense Mechanism For Wireless Sensor Networks pdf
... packet format and the semantic meaning of the communication protocol In that case, the attacker can modify a packet to change its content so that the receiver obtains wrong information In a WSN, for ... the packet format defined in the network protocol stack The injected packets can carry false information, which may be accepted by receiving nodes Applications deployed in a WSN, for example, ... by the false information Routing protocols can fail due to the false routing information The Sybil attack [15] is a typical example of packet injection D Data Freshness All information describes...
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Báo cáo khoa học: The benzophenanthridine alkaloid sanguinarine perturbs microtubule assembly dynamics through tubulin binding A possible mechanism for its antiproliferative activity Manu Lopus and Dulal Panda docx
... previously [14] Sulforhodamine B assay was performed with some modifications [14] FEBS Journal 273 (2006) 2139–2150 ª 2006 The Authors Journal compilation ª 2006 FEBS 2147 Antiproliferative mechanism of ... and grown for 20 h Then, different concentrations of sanguinarine were added to the wells, and cells were incubated for 20 h The cells were then fixed with 10% trichloroacetic acid for h, rinsed ... goat antimouse IgG (1 : 300 dilution) for h at 37 °C For staining the DNA, antibody-stained cells were incubated with 4¢,6-diamidino-2-phenylindole (1 lgÆmL)1) for 20 s Microtubules and chromosomes...
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A Scalable and Explicit Event Delivery Mechanism for UNIX doc
... descriptors while it is blocked waiting for data (or for output buffer space) UNIX supports non-blocking operation for read() and write(), but a naive use of this mechanism, in which the application ... application to inform the kernel, on each call, of the entire set of “interesting” file descriptors: i.e., those for which the application wants to check readiness For each event, this causes effort and ... perform operations to reverse this state-change For example, it might not read anything at all from a readyfor-reading input descriptor, or it might not read all of the pending data Therefore,...
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Báo cáo khoa học: Complexes of Thermoactinomyces vulgaris R-47 a-amylase 1 and pullulan model oligossacharides provide new insight into the mechanism for recognizing substrates with a-(1,6) glycosidic linkages docx
... conditions as for the wild-type or using a reservoir solution composed of 1–3% (w ⁄ v) PEG10000 and 12.5 mm KH2PO4, leading to different crystal forms (Form and Form 2), because Form could not ... subsites that are more suitable for pullulan than for starch Phe313 changes the conformation of its side chain depending on the structure of the substrate to form favorable interactions with ... particular is a responsible for recognizing pullulan The affinity of pullulan for site-NA is thought to be less than that for site-N and ⁄ or the affinity of starch for site-NA, because only two...
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A new mechanism for modulation of schottky barrier heights on silicon nanowires
... the metal The barrier lowering for this concentration at a distance of nm from the MS interface, enough for appreciable carrier tunneling, is seen to be about 0.2 eV For our experiments, samples ... close to the MS interface For barrier modulation on p-type silicon, a similar effect would be expected from a deep double acceptor like for instance Zn with an energy level for the most shallow captured ... value for substantial tunneling This gives an energy lowering similar to the experimental data as given in Ref [10] Schottky barriers at nanowire end surfaces modified by surface charge For nanowire...
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Báo cáo khoa học: Kinetic mechanism for p38 MAP kinase a A partial rapid-equilibrium random-order ternary-complex mechanism for the phosphorylation of a protein substrate potx
... lm) [26] The simplest mechanism accounting for the ATP hydrolysis is shown in Scheme 2A According to this mechanism, MgATP reversibly binds p38 MAPKa in the active site to form the binary complex ... Menten constant for MgATP, we assume a rapid-equilibrium mechanism where Km ¼ k–a ⁄ ka ¼ 353 lm A conservative estimate for the second-order rate constant of ka ¼ 104 m)1Æs)1 for the binding ... respective binary complexes, if the mechanism was a full rapid-equilibrium mechanism More realistically however, the mechanism is likely to be a partial rapid-equilibrium mechanism, where the aKA represents...
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Báo cáo khoa học: Cholinoceptive and cholinergic properties of cardiomyocytes involving an amplification mechanism for vagal efferent effects in sparsely innervated ventricular myocardium ppt
... cellular basis for the beneficial effects of donepezil, in 5112 Y Kakinuma et al the present study we focused our efforts on the following points First, we investigated intracellular pathways for ACh ... novel mechanism for a direct action of vagally released ACh on the ventricular cardiomyocytes, i.e amplification of the vagal effect via ACh-induced ACh production in cardiomyocytes This mechanism ... difficult to perform real-time analysis of changes in intracellular ACh in various conditions Furthermore, owing to a lack of knowledge of the receptor, binding partners and action mechanisms for donepezil,...
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Báo cáo khoa học: Mechanism for transcriptional synergy between interferon regulatory factor (IRF)-3 and IRF-7 in activation of the interferon-b gene promoter docx
... indicated combinations of transcription factors pairs (0.5 lg for ATF-2, c-Jun, IRF-3E7 and IRF-7Di; lg for IRF-1; 12 ng for p50 and 18 ng for p65) in the presence or absence of cotransfected p300/ ... affinity of ATF-2/c-Jun and of IRF-3/IRF-7 for their target sites within the IFN-b promoter are significantly lower than that for optimal binding sites For example, a reporter driven by a single ... 11-fold for IRF-7 (and 600-fold for IRF-3 + IRF-7) By contrast, IRF-3 stimulated virus-induced )110IFNbCAT activity only ninefold, while IRF-7 stimulated it 29-fold (and 90-fold for IRF-3...
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Báo cáo khoa học: An enzymatic mechanism for generating the precursor of endogenous 13-cis retinoic acid in the brain docx
... ATGCCGTGGAG-3¢) were used for PCR PCR was performed with Pfu-Turbo (Stratagene, La Jolla, CA, USA) at 94 °C for followed by 35 cycles of 94 °C for min, 58 °C for and 72 °C for After agarose gel electrophoresis, ... with an oligo-dT primer and random hexamer PCR was performed at 94 °C for followed by 35 cycles of 94 °C for 30 s, 45 °C for 30 s and 72 °C for 30 s using a pair of degenerate primers (DegRPE65-Fwd1; ... were used for the reaction without RT enzyme as a negative control (RT minus group) PCR was performed with PfuTurbo (Stratagene) at 94 °C for followed by 35 cycles of 94 °C for min, 58 °C for and...
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Báo cáo khoa học: Mechanism for the hydrolysis of hyaluronan oligosaccharides by bovine testicular hyaluronidase docx
... NaCl, at 37 °C for the indicated time For pH experiments, the buffers were glycine ⁄ HCl for pH 2.0–3.0, citrate ⁄ NaOH for pH 3.5–4.0, acetate ⁄ NaOH for pH 4.5–5.5, Mes ⁄ NaOH for pH 6.0–6.5, ... reaction products obtained when the incubation was performed at °C and 37 °C are shown in Fig It can be seen that when the reaction was performed at °C for only and with a small amount of enzyme, multiple ... °C for h Again, there was no evidence for the production of a specific product; instead, the reaction mixture consisted of oligosaccharides of various chain lengths (data not shown) Thus, unfortunately,...
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Báo cáo khoa học: Investigations of the supercoil-selective DNA binding of wild type p53 suggest a novel mechanism for controlling p53 function doc
... various topological forms of DNA either containing or lacking the p53CON We demonstrate that the p53 CTDBS is critical for p53 SCS binding while the p53 CD is responsible for the supercoil nonselective ... evidence for the formation of ternary mAb–p53red–scDNA complexes [37] The antibodies alone (in absence of the p53 protein) had no effect on the mobility of scDNA (Fig 2B, lanes 11 and 12, for Bp53-10.1 ... We therefore performed competition experiments involving sc and linear pBSK(–) DNA (sc/lin competition assay) to evaluate the influence of individual mAbs on the preference of p53red for scDNA...
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Báo cáo hóa học: " Adjustable TXOP mechanism for supporting video transmission in IEEE 802.11e HCCA" potx
... that both proposed mechanisms, including ARROW, outperform the basic mechanism in terms of the system performance and video quality for all video categories ATMV1 is suitable for the slight movement ... QSTA via QAP For the uplink direction, the mechanism requires the feedback information from QSTA However, for downlink, which is QAP traffic itself, QAP can extract the required information directly ... than ARROW (6% for ATMV1 and 8% for ATMV2) ARROW mechanism, with high overprovision allocation, might cause the high TXOP loss factor for slight change in content among video frames For Container...
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Báo cáo hóa học: " Research Article A Novel Biologically Inspired Attention Mechanism for a Social Robot" ppt
... the system looks in the LTM for the best set of weights for obtaining the saliency map according to the task to reach Then, preattentive and semiattentive stages are performed On the other hand, ... one looks for visual landmarks for mobile robot navigation giving, more importance to the colour and intensity contrasts (λ1 = λ2 = 0.35 and λ3 = λ4 = 0.15), and the second one looks for humans ... the right hand Right Point right using the right hand Right forward Point forward using the right hand Stop Move left and right hands forward Hello Wave the right hand Hands up Move left and right...
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Báo cáo hóa học: " Research Article Design and Analysis of an Energy-Saving Distributed MAC Mechanism for Wireless Body Sensor Networks" doc
... 43.31% for a payload length packet of 50 bytes; (iii) BSN-MAC outperforms IEEE 802.15.4 MAC in 7.20% for payload length packet of 80 bytes; (iv) DQ-MAC outperforms IEEE 802.15.4 MAC in 36.65% for ... and argumentation for maximizing its throughput performance [17] A DQ-MAC protocol consists of several strategic rules, independently performed by each station by managing the aforementioned four ... shown for a traffic load of 80% (i.e., high-density area) It can be seen that (i) BSN-MAC outperforms IEEE 802.15.4 MAC in 19.09% for payload length packet of 50 bytes; (ii) DQ-MAC outperforms...
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Báo cáo hóa học: "Research Article A Mobility-Aware Link Enhancement Mechanism for Vehicular Ad Hoc Networks" pot
... 85.00% CONCLUSION In this paper, a link enhancement mechanism for VANETs is proposed Alternate route construction mechanism and congestion avoidance mechanism based on mobility pattern are presented ... avoidance mechanism In case congestion occurs in a node along the routing path, we allow the congested node to piggyback congestion information in the data packets to its neighbors for notifying ... numerator and the denominator of (1), respectively FOR j = to m ni i= // The reasoning procedure for the jth rule // ni : the number of linguistic variables for the ith parameter // Fuzzifier // Compute...
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Báo cáo hóa học: " Research Article A Complexity-Aware Video Adaptation Mechanism for Live Streaming Systems" pot
... allocation mechanism Target average encoding time for each frame (ms) Actual average encoding time for each frame (ms) Average PSNR for the 1st high-priority encoder (dB) Average PSNR for the 1st ... [MTotal NNZMB ]T for the ith channel Estimated distortion for the ith channel Average encoding time for the ith channel The current operation point on the complexitydistortion curve for the ith channel ... Ttarget ) Actual encoding time for the current frame Target encoding time for each frame Available encoding time for the subsequent frames Average encoding time for the encoded frames Number of...
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Báo cáo y học: "γ A novel mechanism for the regulation of IFN-γ inducible protein-10 expression in rheumatoid arthritis" ppsx
... cycles The mixture was first incubated for at 94°C; it was then cycled 35 times at 95°C for 30 s and at 58°C for 60 s, and elongated at 72°C for 75 s This format allowed optimal amplification with ... 2-mercaptoethanol The RNA was further extracted with chloroform-phenol and then alcohol precipitated Semiquantitative reverse transcription (RT)-PCR was performed as previously described [23] Briefly, 2-µg ... 5′-GAT-TCA-GAC-ATC-TCTTCT-CAC-CC (antisense) for IP-10 [24], and 5′-GTG-GGG-CGC-CCC-AGG-CAC-CA (sense) and 5′-CTC-CTT-AAT-GTC-ACG-CAC-GAT-TTC (antisense) for β-actin, which served as an internal...
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Báo cáo y học: "Differential expression, function and response to inflammatory stimuli of 11β-hydroxysteroid dehydrogenase type 1 in human fibroblasts: a mechanism for tissue-specific regulation of inflammation" pps
... were labelled with VIC Reactions occurred as follows: 50°C for minutes, 95°C for 10 minutes, 44 cycles of 95°C for 15 seconds and 60°C for minutes Data were obtained as Ct values (the cycle number ... iU), or IL-4 (10 ng/ml) for 24 hours Total RNA from these cells was then used to assess expression of mRNA for 11βHSD1 In each case mRNA levels for 11β-HSD1 were normalized for the housekeeping ... glycyrrhetinic acid (+ G; µmol/l) for 24 hours Cells were then assessed expression of IL-6 mRNA and protein (a) For mRNA analyses, target gene data were normalized for levels of the housekeeping...
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Báo cáo y học: "tatin-induced expression of CD59 on vascular endothelium in hypoxia: a potential mechanism for the anti-inflammatory actions of statins in rheumatoid arthritis" pptx
... hybridization to a radiolabelled cDNA probe for human CD59 (gift from H Waldmann, University of Oxford, UK) as described previously [27] Integrated density values for each band were obtained with an ... assessed by flow cytometry HUVEC were incubated in 1% or 21% O2 for 48 hours with or without atorvastatin and were then reoxygenated for hours For analysis of the C3 binding, EC were suspended in veronal ... serum For analysis of C9 deposition, cells were resuspended in VBSG, in 20% normal human serum or in heat-inactivated serum EC were incubated with serum for 90 minutes (C3 binding) and for hours...
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