Báo cáo khoa học: A1-L1 Micromechanical studies of mitotic chromosome structure docx

... 2007 A1-L1 Micromechanical studies of mitotic chromosome structure J. F. Marko Northwestern University, Evanston, IL, USA I will discuss experiments which probe the large-scale organization of mitotic ... Compar- ison of genomic structures from three species will tell us how molecular requirements for the maintenance of chromosome are variable depending on size and com...

Ngày tải lên: 16/03/2014, 10:20

... buffer and stored at )20 °C in aliquots of 1 mL (sample named as ÔinputÕ). The immunofractionation of RAR–DNA complexes was performed by addition of 10 lgÆmL )1 of RARc antibody (Santa Cruz Biotechnology, ... the pattern of p53 and c-Jun gene expression showed in Figs 2 and 3. Immunoprecipitation of complex RAR–DNA To elucidate the mechanism of this pattern of expression, the...

Ngày tải lên: 08/03/2014, 08:20

... A h the leftmost word of A the rightmost word of A tgt the translation of A p the translation of A h the leftmost word of the translation of A the rightmost word of the translation of A Table 2: Features ... semantic role of the argument, the head word and the boundary words of the argument. On the target side, the trans- lation of the verbal predicate, the translation...

Ngày tải lên: 19/02/2014, 19:20

... Component of Natural Processing George A. Miller Cognitive Science Laboratory Princeton University Language Abstract Computational linguistics is generally considered to be the branch of engineering ... useful things with linguistic signals, but it can also be viewed as an extended test of computational theories of human cognition; it is this latter perspective that psychol-...

Ngày tải lên: 20/02/2014, 18:20

... interpretations of two of the texts: the discourse trees of one analyst mirrored the paragraph structure of the texts, while the discourse trees of the other mirrored a logical organization of the ... a satellite. 4. The abstract structure of most texts is a binary, tree-like structure. 5. If a relation holds between two textual spans of the tree structure of a te...

Ngày tải lên: 22/02/2014, 03:20

... but in each of the 10 folds we train on 90% of the 4000 questions in Question- Bank and on all of Sections 02-21 of the Penn-II Treebank. In both experiments we also backtest each of the ten grammars ... Oswald VP VB kill (b) Figure 9: Parser output trees at the level of Lexical-Functional Grammar f- structure (attribute-value structure encodings of basic predicate-argument...

Ngày tải lên: 08/03/2014, 02:21

... length is the number of words comprising a given type of phrase, divided by the number of phrases of this type. It was computed for PP, NP, VP, ADJP, ADVP. Two versions of the features were computed—one ... shallow structural features: case studies of machine translation and human-written text Jieun Chae University of Pennsylvania chaeji@seas.upenn.edu Ani Nenkova University...

Ngày tải lên: 22/02/2014, 02:20

... surprising. The three-dimen- sional structure of Escherichia coli ACP is the proto- type of bacterial and plant ACP structures [14–17]. The solution structure of ACPs consists of a three- helix bundle and ... the minor forms of the holo- ACP structure, on the basis of their percentage contri- butions (65% and 35%, respectively) to the overall structure of the protein. The...

Ngày tải lên: 16/03/2014, 10:20

... performance of a bronchoalveolar lavage for culture, or start of or a change in antimicrobial therapy in case of unex- pected infiltrates on the CXR; repositioning of tubes in case of malposition of orotracheal ... ultrasound of the thorax in case of pleural effusion on the CXR, start or change in medication (diuretics); insertion of a pleural drain; and repositioning of d...

Ngày tải lên: 25/10/2012, 10:39

... based on the structure of the available inhibitors of cathepsin D [19], a lysosomal protease of mamma- lian cells, and chalcones and phenothiazines have been assayed as inhibitors of falcipain-2 ... the processing of apicoplast protein leader sequence. Inhibition of any of these activities could contribute to MA interference in the maturation of the parasite. Polypharmacolog...

Ngày tải lên: 14/02/2014, 14:20