Báo cáo khoa học: " A morphological and molecular study of Anaplasma phagocytophilum transmission events at the time of Ixodes ricinus tick bite" pps

... morphological and molecular study of Anaplasma phagocytophilum transmission events at the time of Ixodes rici-nus tick bite Acta Veterinaria Scandinavica 2010, 52:43Received: 26 February 2010 Accepted: ... Rikihisa Y: Mechanisms to create a safe haven by members of the family Anaplasmataceae. Ann N Y Acad Sci 2003, 990:548-555.21. Wamsley HL, Barbet AF: In situ detection of Anaplasma spp. by DNA target-primed ... inany medium, provided the original work is properly cited.Research A morphological and molecular study of Anaplasma phagocytophilum transmission events at the time of Ixodes ricinus tick...

Báo cáo khoa học: Kinetic studies and molecular modelling attribute a crucial role in the speciﬁcity and stereoselectivity of penicillin acylase to the pair ArgA145-ArgB263 pdf

... properties. The kinetic para-meters of the PA-catalysed hydrolysis of the studiedphenylacetyl arylamides are compared in Table 2. The substrates are arranged in a decreasing order of the ratio of their ... acylase by AM1 calculations. Amino acid residues of the enzyme are at their X-ray coordinates [19]. Substrates having local symmetry of the leaving group (top left and bottom right) bind at anequilibrium ... stabil-ization of the tetrahedral intermediate. Experimental data[21] for the efﬁcient hydrolysis of NIPAB catalysed by the ArgB263Lys mutant PA and the lack of hydrolytic activityfor the ArgB263Leu PA...

Báo cáo khoa học: "A Morphological Analyzer and Generator for the Arabic Dialects" pdf

... usable in natural language processing(NLP) applications such as natural language gen-eration and machine translation, and the lexemeprovides a usable lexicographic abstraction. Notethat the ... University and UIUC.Nizar Habash. 2004. Large scale lexeme based arabic morphological generation. In Proceedings of Traite-ment Automatique du Langage Naturel (TALN-04).Fez, Morocco.L. Kataja and ... detailedevaluation of MAGEAD.1 IntroductionIn this paper we present MAGEAD, a morphologi-cal analyzer and generator for the Arabic languagefamily, by which we mean both Modern StandardArabic...

Báo cáo khoa học: "A Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization" potx

... classification is re-lated to the quantity of information used. So a quantitative metric of the information a feature space can provide is need. Feature Quantity (Ai-zawa, 2000) is suitable ... Linguistics A Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization Jingyang Li Maosong Sun Xian Zhang National Lab. of Intelligent ... different tasks. One of the generally ac-cepted connections between Information Re-trieval and Text Categorization is that an infor-mation retrieval task could be partially taken as a binary classification...

Báo cáo khoa học: "A FRIENDLY AND FLEXIBLE FRONT-END FOR DATA MANAGEMENT SYSTEMS" pptx

... views of the same data base, or the same view of a restructured data base. It can be interfaced with various data management systems currently it can access a relational data base via INGRES ... application name of each application that the user may access. Associated with an applicatlon name is a set of file names of the tables for the application. If access is to be restricted, a ... '~taC is the cransacclon number for the shlpmanc of bolts from Colonial co Ajax?" 3.2 DATA BASE TABLES The data base cables describe the data base as viewed by the data management system....

Báo cáo khoa học: "A Morphological Analysis Based Method for Spelling Correction" docx

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Báo cáo khoa học: Enzymatic characterization and molecular modeling of an evolutionarily interesting fungal b-N-acetylhexosaminidase pot

... regions of the Ramachandran plot. The deviation of geometrical parameters from idealvalues (G-factors) is higher than )0.5, characterizingan acceptable model. The overall average G-factor esti-mated ... kJÆmol)1(Fig. 8A) . The accommodation of this substrate into the substrate binding site is otherwise unaffected and proceeds in the same way as the standard N-acetyl sub-strate. However, the substrate is ... O28 (at the C3 atom of the pyranosering) of this non-reducing sugar to the catalytic asparticacid (Asp) responsible for proper orientation of the acetyl group during the formation of the oxazo-linium...

Báo cáo khoa học: A new and efﬁcient method for inhibition of RNA viruses by DNA interference pptx

... and anti-sense strand (5¢-ATGAGTTTTCCAGAGCAACTT-3¢), and siRNA was synthesized using DNA templates (sense strand,5¢-AAATGAGTTTTCCAGAGCAACCCTGTCTC-3¢; anti-sense strand, 5¢-AAGTTGCTCTGGAAAACTCATCCTGTCTC-3¢) ... pEGFP-N3-323 and anti-gp41 siDNA at the concen-trations indicated, and harvested after 24 h for total RNA isolation. (B) RT-PCR ampliﬁcation products of total RNA from HeLa cells transfect-ed as indicated. ... that the antiviral effect of the examinedODNs was due to the action of viral RNase H.In summary, our data suggest that the DNAi path-way may have converging steps with RNAi, or exploitthe...

Báo cáo khoa học: "A COMPLETE AND RECURSIVE FEATURE THEORY*" doc

... [15]: the feature graph algebra ~" is given as a standard model, and the class of feature algebras is obtained by means of an axiomatization. Both approaches to fixing a feature theory have ... every path p. A path p is called a prefix of a path q, if there exists a path p' such that pp' = q. We also assume an infinite alphabet of variables and adopt the convention that x, ... of a feature tree a at a path p E Da is the feature tree defined by (in relational notation) pa := {(q ,A) l(pq, A) Ea}. A feature tree a is called a subtree of a feature tree 7- if ~r is a...

Báo cáo khoa học: "A GRAMMAR AND A LEXICON FOR A TEXT-PRODUCTION SYSTEM" pptx

... One issue reiatat to this that has been brought uD was that different ~ external to the grammar find resonance in different I=ari~ of the grammar and that there is a partial correlation between ... of the grammar and that of the eubparts of the lexicon and on the strategies for integrating these components with each other and with other parts of the system. In the course of the I~resentstion ... vocabulary. There is also a correlation between conceptual organization and the organization of part of the grammar. The double arrow between the two boxes represents the mapping (realization...

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