Báo cáo khoa học: "Effects of irrigation and nitrogen fertiliser on the growth and nutrient relations of Prunus avium L and ’Colt’ (Prunus avium x Prunus pseudocerasus) in the nursery and after transplantation" doc

Báo cáo khoa học: Retrocyclin RC-101 overcomes cationic mutations on the heptad repeat 2 region of HIV-1 gp41 ppt

... ‘wild-type’ retrocyclin-1 by a single arginine-to-lysine mutation on one of the b-turns. It is nonhemolyt-ic for human red blood cells, and noncytotoxic againstseveral human cell lines at concentrations ... using the protein models of HR1 and HR2focused on docking small molecules to the helices [36]. In contrast, RC-101 contains a large number of ﬂexibleside chains and ﬂexible side groups. Consequently, ... HR1 alone did not result in a strong binding energy [Fig. 2]. Conversely, the minimum energy of binding to HR2 is predominantlylower than values for small molecule inhibitors previ-ously docked...

Báo cáo khoa học: "Effects of irrigation and nitrogen fertiliser on the growth and nutrient relations of Prunus avium L and ’Colt’ (Prunus avium x Prunus pseudocerasus) in the nursery and after transplantation" doc

... and nitrogen fertiliser on the growth and nutrient relations of Prunus avium L and ’Colt’ (Prunus avium x Prunus pseudocerasus) in the nursery and after transplantationNA ... investigates the interaction of nitrogen fertiliser and irrigation on the growth and nutrient relations of cherryseedlings and cuttings in the liner nursery and the subsquent ... available on the influence of irrigation on seedling nutrient relations and subsequent growth and survival after out-planting (Duryea and McClain, 1984).This report investigates...

Báo cáo khoa học: What’s in a covalent bond? On the role and formation of covalently bound flavin cofactors doc

... B. The isoalloxa-zine ring of FAD is in yellow. The axis of the pink helix pointsdirectly at the C2-O of the isoalloxazine. Cys397, covalently boundto the 8a-carbon of the isoalloxazine ring, ... phenylalanine, the enzyme could still tightly bind the flavin noncovalently. Moreover, the mutantTable 3. Redox potentials of covalent flavoproteins and their corresponding mutants containing noncovalently ... covalently linked to a cysteinevia the C6 position of the flavin isoalloxazine moiety.Removal of the covalent bond by mutating the Cys30to an alanyl resulted in the formation of 6-hydroxy-FMN...

Tài liệu Báo cáo khoa học: "Parsing, Projecting & Prototypes: Repurposing Linguistic Data on the Web" doc

... fromcontext (e.g., other neighboring examples or the textsurrounding the instance); other IGT instances havemultiple translations or language lines (e.g., one part in the native script, and another ... another in a Latin transliteration).Because of the irregular structure of IGT instances, the regular expression templates used in the originalODIN system performed poorly. We apply machinelearning ... and Previous work on ODINODIN is a collection of Interlinear Glossed Text (IGT)harvested from scholarly documents. In this section,we describe the original ODIN system (Lewis, 2006), and the...

Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt

... elements contain information about the characters who speak and what they said at each dialogue turn. On the other hand, context elements contain all the additional information (explanations and ... learning module which is responsible for collecting the meaning of the given term from the user or, alternatively, from an external source of information. Once the definition is collected and ... in the encoding for-mat, etc. The final dialogue collection used in the IRIS implementation consists of dialogues from 153 movie scripts, mainly belonging to the comedy, action and family...

Báo cáo khoa học: "Tools for Multilingual Grammar-Based Translation on the Web" docx

... that help developers of translation sys-tems on the one hand, and authors and translators—i.e. the users of the systems on the other. In the MOLTO project (Multilingual On- Line Trans-lation)3, ... nor-mal application programmer who builds a lexicon onlyneeds the regular mkV function.Extending a lexicon with domain-speciﬁc vocabu-lary is typically the main part of the work of a con-crete ... functions that return propositions.As a running example in this and the next sec-tion, we will use the class of integers and the two-place property of being divisible ( x is divis-ible by y”). The...

Báo cáo khoa học: "Extracting Paraphrases from Deﬁnition Sentences on the Web" pptx

... 11(5):135–149.Roberto Navigli and Paola Velardi. 2010. Learningword-class lattices for deﬁnition and hypernym extrac-tion. In Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics ... corpora:exploiting massively parallel news sources. In Pro-ceedings of the 20th international conference on Com-putational Linguistics (COLING 2004), pages 350–356.Joseph L. Fleiss. 1971. Measuring ... distributional similarity. Another limitation of these methods is that they can ﬁnd only paraphrasesconsisting of frequently observed expressions sincethey must have reliable distributional similarity...

Báo cáo khoa học: Effects of thymoquinone on isolated and cellular proteasomes pot

... both in isolated complexes and in glioblastoma cells. This inhibition leads to intra-cellular increases in the levels of apoptotic proteinssuch as p53 and Bax, and may be linked to the onset of apoptotic ... cells and 62.48 lm forT98G cells.TQ effects on the proteasome functionality of glioblastoma cellsConsidering the major role of the proteasome in medi-ating numerous cellular pathways, including ... ade-nocarcinoma, uterine sarcoma and leukemic cell lines,with minimal toxicity for normal cells [6]. In a mouse model, the injection of the essential oilinto the tumor site signiﬁcantly inhibited solid tumordevelopment...

Báo cáo khoa học: Effects of the G376E and G157D mutations on the stability of yeast enolase – a model for human muscle enolase deﬁciency pdf

... change in the conformation of this loop. Changes in the conformation of the backbone at this point and changes in the orientation of other side chains, as aresult of the introduction of the large ... Full line, wild-type; short brokenlines, G376E; long broken lines, G157D. (B) Full line, wild-type; longbroken lines, wild-type in 0.3M NaClO4; short broken lines, W56F. The W56F sample contained ... activity rela-tive to the wild-type enolase. This is not surprising,considering the location of these changes. Glycine 157is in one of the loops that moves on binding of sub-strate and divalent...

Báo cáo khoa học: Effects of salt on the kinetics and thermodynamic stability of endonuclease I from Vibrio salmonicida and Vibrio cholerae potx

... calculation. The protein mole-cules occupied 90% of the box in the ﬁnal calculations. The molecular surface was calculated using a solvent probe of 1.4 A˚. The solvent was described using a dielectric ... model used is unable to tackle the increasedcooperativity of unfolding, but may also be explainedby an increase in the degree of irreversible unfolding(Table 1). The reversibility of thermal ... Kmvalue of the non-halophilic enzyme increasedconsiderably with the addition of salt. These resultsimply that Kmsalt tolerance is a feature typical tohalotolerance. The role of kcatis less clear....

Xem thêm