Tài liệu Báo cáo khoa học: "A Sentimental Education: Sentiment Analysis Using Subjectivity Summarization Based on Minimum Cuts" doc

... A Sentimental Education: Sentiment Analysis Using Subjectivity Summarization Based on Minimum CutsBo Pang and Lillian LeeDepartment of Computer ... incorporation of cross-sentencecontextual constraints.1 IntroductionThe computational treatment of opinion, sentiment, and subjectivity has recently attracted a great dealof attention (see references), ... polarity-classiﬁcation accuracythat results.2.2 Context and Subjectivity DetectionAs with document-level polarity classiﬁcation, wecould perform subjectivity detection on individualsentences...

Tài liệu Báo cáo khoa học: A novel electron transport system for thermostable CYP175A1 from Thermus thermophilus HB27 doc

... data-base NCBInr using mascot (Matrix Science, Boston, MA,USA).Cloning, expression, and purification of FdxFdx (TTC1809) was amplified by PCR using genomic DNAas a template and two oligonucleotide ... condi-tions was determined by gel filtration on a Superdex-200HR column, which was calibrated using molecularmass standards and equilibrated with buffer A containing150 mm KCl. Gel filtration ... theoptimal reaction conditions, we assessed the effects of pH(4.0–7.4), Fdx (30–960 nm) and Tween 20 (0.1–1.6%) on b-carotene hydroxylation activity. The b-carotene hydrox-ylation reactions were carried...

Tài liệu Báo cáo khoa học: Modeling of tRNA-assisted mechanism of Arg activation based on a structure of Arg-tRNA synthetase, tRNA, and an ATP analog (ANP) ppt

... required for theaminoacylation reaction are present at sufﬁcient con-centration in the crystallization solution, the aminoacy-lation reaction does not occur during the long timeneeded for crystal ... also containingthe ATP analog adenosine-5¢-(b,c-imido)triphosphate(ANP); we found one reasonable mechanism, based on newly obtained structural information about the posi-tion of ATP bound on ... reaction, the Arg-NHOH formationreaction, and the deacylation reaction. (A) Arg (cyan), ATP (orange) coordinated by Mg2+and A76 (green) of tRNA assisting the Arg-AMP for-mation reaction on P....

Tài liệu Báo cáo khoa học: "A Broad-Coverage Grammar Checker Using Pattern Grammar" doc

... conflict with one another. Let us note that this general framework for error detection and correc-tion is an original contribution of our work. In ad-dition, we incorporate probabilities conditioned ... that are commonly used in learner dictionaries. For instance, we use V-ing for the tag VBG denoting the progressive verb form, and Pron and Pron$ denotes a pronoun and a possessive pronoun respectively.27consecutive ... you” and “in an attempt to helping you”)(2) wrong preposition (or infinitive-to)(A) wrong preposition (e.g., “to depends of it”)(B) wrong preposition and verb form (e.g., “to play an important...

Tài liệu Báo cáo khoa học: "A COMMON FRAMEWORK FOR ANALYSIS AND GENERATION" potx

... representation language. For any such system, only a fraction of the pos- sible sentences of the representation language will correspond to direct translations of NL sentences, and the only way ... and we can sometimes tell whether one sentence entails another, or whether one con- tradicts another. To get from here to a decision that one representation scheme is more appropri- ate than ... algorithm looks effec- tive, so long as (a) it is reasonable to assume that an application program can be relied on to pro- duce realisable expressions in the representation language and (b) there...

Tài liệu Báo cáo khoa học: A DExD⁄ H box RNA helicase is important for K+ deprivation responses and tolerance in Arabidopsis thaliana docx

... nutrientacquisition despite varying nutritional conditions in soil[1]. K+concentrations in soil usually range from 0.04%to 3%, but the worldwide distribution of K+is incon-sistent [2]. ... inhibition of plant growth and development [4].As K+availability in soil may vary considerably,depending on environmental and soil conditions, plantsmust be able to adjust to changing K+concentrations.When ... domain consisting of eight or nine conservedamino acid motifs. Superfamily 2 consists of three sub-families, known as DEAD, DEAH, and DExH ⁄ D, on the basis of variations within a common DEAD...

Tài liệu Báo cáo khoa học: a-enolase: a promising therapeutic and diagnostic tumor target ppt

... invasion, and is sub-jected to a specific array of post-translational modifications, namely acety-lation, methylation and phosphorylation. Both ENOA overexpression andits post-translational modifications ... inthe ENOA amino acid sequence.Cell typeAcetylation Methylation PhosphorylationReferenceResidue Position Residue Position Residue PositionEmbryonic kidney Tyr 57 111Ser 63Normal pancreas Lys ... compilation ª 2011 FEBSConclusionsTaken as a whole, these findings illustrate the multi-functional properties of ENOA in tumorigenesis, andits key implications in cancer proliferation, invasionand...

Tài liệu Báo cáo khoa học: A systems biology approach for the analysis of carbohydrate dynamics during acclimation to low temperature in Arabidopsis thaliana doc

... steady-state concentrations. We present amethod based on dynamic modelling that allows forthe quantiﬁcation and visualization of cellular rates ofmetabolite interconversion during an acclimation pro-cess ... depends on the concentration ofthe reaction product and the dissociation constant Ki,Bforinhibitor binding.The rate of hexose -based sucrose synthesis was describedby the mass action rate ... sugar concentrations on the acquisi-tion of freezing tolerance in accessions of Arabidopsisthaliana with contrasting cold adaptation – evidence fora role of rafﬁnose in cold acclimation. Plant...

Tài liệu Báo cáo khoa học: A strategy for discovery of cancer glyco-biomarkers in serum using newly developed technologies for glycoproteomics ppt

... construction of calibrationcurves across the 186 genes with threshold values, dis-tinguishing signals that arise from actual amplificationfrom arising from nonspecific amplification.As demonstrated ... information on glyc-ogenes. In the GGDB, the information on each glyco-gene is stored in XML format: gene names (genesymbols), enzyme names, DNA sequences, tissue distri-bution (gene expression), ... statistical analysis of lectin signals makes it possibleto select an optimal lectin–antibody set and facilitatesconstruction of a sandwich assay for glyco-markervalidation.Confirmation of glycan...

Tài liệu Báo cáo khoa học: a-Defensins increase lung ﬁbroblast proliferation and collagen synthesis via the b-catenin signaling pathway doc

... siRNA Control siRNAβ-catenin siRNACon D1 D2 Con D1 D2 Con D1 D2Con D1 D2 ConD1 D2Con D1D2ConD1D2Con D1 D2ConD1D2Collagen-IGAPDH0.00.20.40.60.81.01.2β-catenin siRNAControl ... and a-defensin-2 on lungﬁbroblast proliferation are concentration-dependent.a-defensins in concentrations similar to those ininﬂammatory lung diseases promote proliferation andcollagen synthesis ... that monitors theincorporation of BrdU into newly synthesized DNA. TheBrdU was detected using anti-BrdU-peroxidase conjugatein accordance with the manufacturer’s instructions. Afterreactions...

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