Báo cáo khoa học: "Conceptual Coherence in the Generation of Referring Expressions" potx
... human), they had distinct types (e.g. duke, prince, bachelor). In the other half, entities were of the same type, that is the NPs introducing them had the same nominal head, but had distinguishing ... use the information contained in the SketchEngine database 1 (Kilgarriff, 2003), a largescale implementation of Lin’s theory based on the BNC, which contains grammatical tr...
Ngày tải lên: 17/03/2014, 04:20
... to the complete mineraliza- tion of the pyrrolidine ring of nicotine, which after oxidation by 6-hydroxy-l-nicotine oxidase, is cleaved off from the pyridine ring of nicotine in the form of CH 3 -4-aminobutyrate. ... expression of these genes depends on the presence of nicotine in the growth medium and we have determined the enzyme activities of the proteins....
Ngày tải lên: 19/02/2014, 07:20
... of the signaling event. In particular, the rapid degradation of signaling proteins by the protea- some ⁄ ubiquitin system appears to play an important role in the control of the duration of the ... h). Nevertheless, it could also be explained by changes in translation or maturation of the protein. An increase was also observed in the rate of degradation of...
Ngày tải lên: 20/02/2014, 03:20
Tài liệu Báo cáo khoa học: Adaptive changes in the expression of nuclear and mitochondrial encoded subunits of cytochrome c oxidase and the catalytic activity during hypoxia pptx
... suppression of respiration during hypoxia. In the absence of differential regulation of a specific nuclear gene coding for the subunits of CytOX, changes in the microenvironment of the cell may induce ... shows the effects of hypoxia on the steady state levels of nuclear genome encoded CytOX IV and Vb mRNAs. There was no change in the levels of these mRNAs...
Ngày tải lên: 20/02/2014, 23:20
Báo cáo khoa học: Factors involved in the assembly of a functional molybdopyranopterin center in recombinant Comamonas acidovorans xanthine dehydrogenase pot
... utilize cysteine as the source of sulfur [19]. Therefore, the level of sulfuration of recombinant XDH may be in uenced by the redox state of the thiols in the cell. Indeed, the level of XDH AB activity observed ... of XDH requires the incorporation of the MPT center, placement of the terminal sulfur ligand on the Mo, and the incorporation of two [2Fe...
Ngày tải lên: 16/03/2014, 23:20
Báo cáo khoa học: "Case Revisited: In the Shadow of Automatic Processing of Machine-Readable Dictionaries" ppt
... semantic and pragmatic codes in LDOCE, and examples in LDOCE can help to obtain such theories. 3. Formation of the context layer: the unification of the base layer and the de- 337 ... to indicate dif- ferent levels of activeness. In what follows, Cases such as agent and instrument have somewhat different meanings than the conventional ones. We use them just fo...
Ngày tải lên: 17/03/2014, 08:20
Tài liệu Báo cáo khoa học: "Detecting Novel Compounds: The Role of Distributional Evidence" potx
... independently of their posi- tion (i.e., independently of whether they are heads or modifiers). Consider the compounds cocaine customer and baby calf in Table 2. The likelihood of the words cocaine and ... this section we introduce the features used in the machine learning experiments described in Sec- tion 4 and the motivation behind their selection. In our experi...
Ngày tải lên: 22/02/2014, 02:20
Tài liệu Báo cáo khoa học: Nuclear receptors in the mosquito Aedes aegypti Annotation, hormonal regulation and expression profiling ppt
... presence of 20E, however, favors the formation of the AaEcR⁄ AaUSP heterodimer [13], indicating that the regulation of the activity of these proteins occurs through protein–pro- tein interactions, ... single protein. Interestingly, during the initial process of identifying the NR family members in the A. aegypti genome, we predicted two isoforms of AaFTZ-F1, differ...
Ngày tải lên: 18/02/2014, 13:20
Tài liệu Báo cáo khoa học: Electrostatic contacts in the activator protein-1 coiled coil enhance stability predominantly by decreasing the unfolding rate docx
... interpretation in distinguish- ing interacting from noninteracting proteins. One Fig. 1. Schematics of library designs. The helical wheel diagram looks down the axis from the N-terminus to the C-terminus. ... of using peptides as the starting point in the generation of therapeutics is now a growing area [18,19]. Peptides harbour the potential for chemical and biologi...
Ngày tải lên: 18/02/2014, 13:20
Tài liệu Báo cáo khoa học: Isochore structures in the chicken genome ppt
... versa, indicating a mosaic structure of the chromosomes. A jump in the Àz 0 n curve indicates an increase of the G + C con- tent; whereas a drop down in the Àz 0 n curve indicates a decrease of the ... the upper panel shows the cumulative percentage of the values at or below each interval. The Y-axis in the lower panel shows the number of sequences scorin...
Ngày tải lên: 19/02/2014, 07:20