Báo cáo khoa học: Catalyzing separation of carbon dioxide in thiamin diphosphate-promoted decarboxylation ppt

... of the conjugate formed from ThDP and benzoyl- formate. Scheme 1. Covalent intermediates derived from thiamin diphosphate in the decarboxylation of pyruvate. Catalyzing separation of carbon dioxide ... FEBS REVIEW ARTICLE Catalyzing separation of carbon dioxide in thiamin diphosphate-promoted decarboxylation Ronald Kluger and Steven Rathgeber Davenport Ch...

Ngày tải lên: 23/03/2014, 06:20

... role of informa- tion retrieval in answering “relationship” questions, a new class complex informa- tion needs formally introduced in TREC 2005. Since information retrieval is of- ten an integral ... Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions, pages 523–530, Sydney, July 2006. c 2006 Association for Computational Linguistics The Role of Information Retriev...

Ngày tải lên: 08/03/2014, 02:21

... aspect of linguistic quality separately. 3 Indicators of linguistic quality Multiple factors in uence the linguistic quality of text in general, including: word choice, the ref- erence form of entities, ... Manning. 2005. In- corporating non-local information into information extraction systems by gibbs sampling. In Proceed- ings of ACL, pages 363–370. K. Fraurud. 1990. Defini...

Ngày tải lên: 16/03/2014, 23:20

... for a snippet of meeting Bmr024 are shown in Figure 1, in the interval beginning 5 minutes into the meeting and ending 20 minutes later. (The meeting is actually just over 50 minutes long but only ... Conversation-Independent Modeling The training of conversation-independent models, given a corpus of K-heterogeneous meetings, is achieved by iterating over all meetings and testing ea...

Ngày tải lên: 17/03/2014, 00:20

... measure which were the head nouns being conjoined in cer- tain types of coordinate noun phrase. In this paper we look at different measures of word similarity in order to discover whether they ... Hogan ∗ Department of Computer Science Trinity College Dublin Dublin 2, Ireland dhogan@computing.dcu.ie Abstract The ability to detect similarity in conjunct heads is potentially a use...

Ngày tải lên: 17/03/2014, 04:20

... language processing relies on manually created dictionar- ies, which have inconsistencies in defining word units and limitation in the quantity. [1] proposed a word extraction algorithm employing C4.5 with ... some string features such as entropy and mutual information. They reported a result of 85% in precision and 50% in recall measures. For word segmentation, the longest matching...

Ngày tải lên: 17/03/2014, 07:20

... in one-on-one tutoring, its computational model- ing, and its application to the design of more effective Intelligent Tutoring Systems. A data collection of tutoring sessions in the domain of basic Computer ... 1990), such speed indicates a quick skimming of the text, whereas reading for learning typically has a lower speed, in the order of 200 words/minute. 5 Future work The...

Ngày tải lên: 31/03/2014, 00:20

... not repress the level of PPARc protein in committed prea- dipocytes under physiologically relevant conditions. Expression of miR-27 is elevated in obese mice In order to gain insights into the potential ... We further investigated the kinetics of miR-27 expression during adipogenesis using quantitative real-time PCR. As shown in Fig. 1C,D, expression of both miR-27a and miR-27...

Ngày tải lên: 18/02/2014, 08:20

... interact with a number of functional groups, including the aromatic side chains of some amino acids, through a stacking mechanism [42]. The interaction of arginine with aromatic amino acids of aB-crystallin ... of insulin. A C B Fig. 2. aB-crystallin protects against the DTT-induced aggregation of insulin, and this activity is enhanced by Arg-HCl. Insulin ( , 0.25 mgÆmL )1 ) was i...

Ngày tải lên: 18/02/2014, 16:20

... strong, neutralizing action of the cytosolic RNase inhibitor (cRI), a 50-kDa protein containing 16 leu- cine-rich repeat motifs [7,8]. In fact, onconase from Rana pipiens eggs [9], and seminal RNase ... of EIE were recorded at 30° inter- vals of r from 0 to 360°; (d) the inclination of the dimer major axis with respect to the z axis, hence to the membrane plane, was changed (by incl...

Ngày tải lên: 19/02/2014, 06:20