Báo cáo khoa học: Cytoskeleton-modulating effectors of enteropathogenic and enterohemorrhagicEscherichia coli: role of EspL2 in adherence and an alternative pathway for modulating cytoskeleton through Annexin A2 function pot

Tài liệu Báo cáo khoa học: "From HOPE en I''''ESPERANCE On the Role of Computational Neurolinguistics in Cross-Language Studies " pptx

... but are often generic and mark masculine, feminine, or plural (Gross, 1977; Goffic and McBride, 1975). And furthermore, these same articles often are not translated into meaning preserving sentences ... contributes significantly to our increased under- standing of representations which have been defined within linguistics, psycholinguistics, neurolinguistics, and AI approaches to language study. ... The study includes off-line picture naming which forces use of articles in all of the above contexts, as well as on-line production of these morphemes in an attempt to determine in which way...

Báo cáo khoa học: "Last but Definitely not Least: On the Role of the Last Sentence in Automatic Polarity-Classification" pdf

... (Giora and Lee, 1996) that when the DT appears also at the end of a text it is somewhat information-ally redundant. However, functionally, it plays a role in wrapping the text up and marking ... documents of the Ziff-Davis newswire corpus of articles reviewing computer hardware and software. In this corpus, each document was accompanied by a set of topic keywords and a small abstract of ... of a sentence within a text with its degree of in- formativeness. Giora (Giora, 1985, Giora, 1988) defined a discourse topic (DT) as the least informative (most uninformative) yet dominant...

Báo cáo khoa học: "Medical treatment for the terminally ill: the ‘risk of unacceptable badness’"

... underlying disease processes [2]. An unintended side effect of modern technological advanceshas been the plausibility of maintaining moribund patients in astate of suspended animation for prolonged ... witnessed much turmoil regarding the ‘lifeis sacred at any cost’ maxim [1]. Current technology iscapable of indiscriminately maintaining some of the vitalfunctions of the body, but the same technology ... of diminishing returns. However, there is a continuing trend of surrogates demanding that moribund patients be kept on lifesupport after prevailing medical opinions concur that there isno meaningful...

Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt

... reagents and the recombinant humanTRAIL ⁄ APO 2 ligand were purchased from Invitrogen and Feldan Bio (St-Laurent, QC, Canada), respectively. Thecaspase 3 substrate (Ac-DEVD-pNA) and the inhibitorsubstrate ... polyubiquitin chains. EMBO Rep 7, 1147–1153.7 Feng L, Guedes S & Wang T (2004) Atrophin-1-inter-acting protein 4 ⁄ human Itch is a ubiquitin E3 ligase for human enhancer of ﬁlamentation 1 in transforminggrowth ... characterized by an N-terminal C2 domainresponsible for guiding intracellular localization tointernal membranes, four WW domains involved in substrate recognition and a C-terminal catalyticdomain [1]....

Tài liệu Báo cáo khoa học: Acetylcholinesterase from the invertebrate Ciona intestinalis is capable of assembling into asymmetric forms when co-expressed with vertebrate collagenic tail peptide doc

... Data are the mean ± SE of ‡ 8 determi-nations for recombinant enzyme and three and four determinations for enzyme extracted from adult C. intestinalis in the presence and absence of Triton X-100, ... however, that thebranch length for C. intestinalis AChE is the longest in the tree, and the bootstrap value for the branchingbetween amphioxus and C. intestinalis is one of theweakest in the tree.DiscussionWe ... depen-dencies for ATCh and BTCh hydrolysis by an extract of COS-7 mon-key cells expressing recombinant C. intestinalis AChE cDNA.Transfected COS-7 cells producing C. intestinalis AChE wereextracted in...

Tài liệu Báo cáo khoa học: The Ets transcription factor ESE-1 mediates induction of the COX-2 gene by LPS in monocytes doc

... factor-alpha inversely regulates prostaglandinD2 and prostaglandin E2 production in murinemacrophages. Synergistic action of cyclic AMP oncyclooxygenase-2 expression and prostaglandin E2synthesis. ... the carboxy-terminal Ets DNA binding domain of ESE-1 and competes with intact endogenous ESE-1 for binding to target gene promoters. The seconddominant-negative mutant, Dominant Negative 2(DN2), ... coac-tivators and other cofactors needed for transactivation of ESE-1, thereby depriving intact ESE-1 of its factorsneeded for transactivation. DN1 and DN2 were clonedinto adenovirus vectors and the...

Tài liệu Báo cáo khoa học: Kinetic basis for linking the ﬁrst two enzymes of chlorophyll biosynthesis doc

... Kinetic basis for linking the ﬁrst two enzymes of chlorophyll biosynthesisMark Shepherd, Samantha McLean and C. Neil HunterRobert Hill Institute for Photosynthesis and Krebs Institute for ... concentrations of ChlM, SAM and MgD were ﬁxed at 0.5 lM,1mM and 30 lM, respectively. This wasperformed when ChlM and SAM were preincubated in the pres-ence (s) and absence (d) of 0.75 lM ChlH in syringe ... buffer and 6 column vol-umes of binding buffer containing 60 mm imidazole (washbuffer) to remove any loosely bound contaminants. TheHis-tagged ChlM was eluted with binding buffer containing250...

Tài liệu Báo cáo khoa học: "Enhanced word decomposition by calibrating the decision threshold of probabilistic models and using a model ensemble" pdf

... slightly changed ourexperimental setup. Instead of dividing datasetsduring 10-fold cross-validation into training and test subsets with the ratio of 9:1 we randomly splitthe data into training, ... mathematical model and performed experiments on language data of the morphologically complex language Zulu. Wecompared the performance on increasing train-ing set sizes and analysed for each word ... results than the individual modelsthemselves and therefore manages to leverage theindividual strengths of both to a certain extend.However, can we pinpoint the exact contribution of each individual...

Tài liệu Báo cáo khoa học: "Learning to Compose Effective Strategies from a Library of Dialogue Components" doc

... Peek and Chickering, 2005; Frampton and Lemon, 2006), for selecting initiative and con-ﬁrmation strategies (Singh et al., 2002); for detect-ing speech recognition problem (Litman and Pan,2002); ... embed-ding the provision and gathering of information in e.g. social dialogue. In the latter category of dia-logue systems, a high level of naturalness of interac-tion and the occurrence of longer ... constisting of: generation of (limited) exploratory dialogue data, using a train-ing system; creating an MDP from these data and the rewards assigned by the training users; off-linepolicy learning...

Tài liệu Báo cáo khoa học: "Keyword Extraction using Term-Domain Interdependence for Dictation of Radio News" ppt

... than similarities be- tween an unit and any other domains, domainj seems to be the domain of unit~. The system se- lects the domain which is the largest of all similarities in N of domains ... results of domain identification. We con- ducted domain identification experiments using two kinds of input data, i.e. correct phoneme sequence and phoneme lattice and two kinds of domains, ... vectors of term- domain interdependence. In our previous experiments, we used 5 domains which were sorted manually and calcu- lated 5 feature vectors for classifying domains of each unit of...

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