Báo cáo khoa học: "Semantic Retrieval for the Accurate Identification of Relational Concepts in Massive Textbases" ppt

Báo cáo khoa học: "Semantic Retrieval for the Accurate Identification of Relational Concepts in Massive Textbases" ppt

Báo cáo khoa học: "Semantic Retrieval for the Accurate Identification of Relational Concepts in Massive Textbases" ppt

... in MEDLINE at the end of 2004 (14,785,094 articles). The follow- ing sections explain in detail off-/on-line process- ing for the text retrieval system for MEDLINE. 3.1 Off-line processing: HPSG ... development of efficient methods of access- ing information in huge texts. Furthermore, user demand has shifted toward the retrieval of more precise and complex inform...
Ngày tải lên : 17/03/2014, 04:20
  • 8
  • 523
  • 0
Tài liệu Báo cáo khoa học: A role for the intersubunit disulfides of seminal RNase in the mechanism of its antitumor action docx

Tài liệu Báo cáo khoa học: A role for the intersubunit disulfides of seminal RNase in the mechanism of its antitumor action docx

... thus blocking protein synthesis and leading cells to death. The current model proposed for the mechanism of antitumour action of BS-RNase is based on the ability of the protein to resist the neutralizing ... plateau. These data indicate that the cell sulfhydryls responsible for the exchange with the protein disulfides are located in the plasma membrane. Furthermor...
Ngày tải lên : 20/02/2014, 11:20
  • 8
  • 604
  • 0
Báo cáo khoa học: Structural basis for the erythro-stereospecificity of the L-arginine oxygenase VioC in viomycin biosynthesis docx

Báo cáo khoa học: Structural basis for the erythro-stereospecificity of the L-arginine oxygenase VioC in viomycin biosynthesis docx

... substrate specificity for its native substrate l-arginine, but also tolerates l-homoarginine and l-canavanine (Fig. 3A, Table 1). These findings can be explained by the coor- dination of l-arginine in the active ... conformational control of the bound sub- strate, which enforces a gauche(–) conformer for v 1 instead of the trans conformers observed for the asparagine oxy...
Ngày tải lên : 16/03/2014, 02:20
  • 14
  • 505
  • 0
Báo cáo khoa học: "Medical treatment for the terminally ill: the ‘risk of unacceptable badness’"

Báo cáo khoa học: "Medical treatment for the terminally ill: the ‘risk of unacceptable badness’"

... much turmoil regarding the ‘life is sacred at any cost’ maxim [1]. Current technology is capable of indiscriminately maintaining some of the vital functions of the body, but the same technology ... underlying disease processes [2]. An unintended side effect of modern technological advances has been the plausibility of maintaining moribund patients in a state of suspend...
Ngày tải lên : 25/10/2012, 10:45
  • 2
  • 463
  • 0
Tài liệu Báo cáo khoa học: "Unsupervised Search for The Optimal Segmentation for Statistical Machine Translation" doc

Tài liệu Báo cáo khoa học: "Unsupervised Search for The Optimal Segmentation for Statistical Machine Translation" doc

... segmentation metric that takes into account both sides of the SMT training corpus. We formulate the objec- tive function as the posterior probability of the training corpus according to a genera- tive ... granularities of the two languages by starting with a fine-grained seg- mentation of the Arabic side of the corpus and then merging or deleting Arabic morphemes us- in...
Ngày tải lên : 20/02/2014, 04:20
  • 6
  • 445
  • 0
Báo cáo khoa học: New evidence for the role of calcium in the glycosidase reaction of GH43 arabinanases pot

Báo cáo khoa học: New evidence for the role of calcium in the glycosidase reaction of GH43 arabinanases pot

... distribution of BsArb43B in the proximity of the active site. Arabinotriose in the binding cleft is represented using sticks. (B) Detailed view of the binding cleft with arabinotri- ose. (C) Details of the ... for the optimal activity of BsArb43B. Furthermore, to determine whether the role of the calcium is structural, thermal shift assays were per- formed to...
Ngày tải lên : 15/03/2014, 23:20
  • 13
  • 568
  • 0
Tài liệu Báo cáo khoa học: Poly(ADP-ribose) The most elaborate metabolite of NAD+ Alexander Burkle pptx

Tài liệu Báo cáo khoa học: Poly(ADP-ribose) The most elaborate metabolite of NAD+ Alexander Burkle pptx

... regulated by the phos- phorylation state of the protein [35]. About 10% of cellular tankyrase protein is recruited to telomeres through binding of its ANK domain to TRF1. Thus the binding of TRF1 ... ADP-ribose polymer formation may therefore facilitate the process- ing of DNA strand breaks arising endogenously during the chromatin remodelling steps of sperm cell matur-...
Ngày tải lên : 20/02/2014, 01:20
  • 14
  • 396
  • 0
Tài liệu Báo cáo khoa học: "Guided Learning for Bidirectional Sequence Classification" ppt

Tài liệu Báo cáo khoa học: "Guided Learning for Bidirectional Sequence Classification" ppt

... U is the score of an action. In other words, the score of an hypothesis is the sum of the score of the most recent action h.A and the scores of the top hypotheses of the context states. The score ... context of NN for book. Then we maintain the top two hypotheses for span book interesting as shown below. The second most favorable label for interesti...
Ngày tải lên : 20/02/2014, 12:20
  • 8
  • 398
  • 0
Báo cáo khoa học: A region within the C-terminal domain of Ure2p is shown to interact with the molecular chaperone Ssa1p by the use of cross-linkers and mass spectrometry doc

Báo cáo khoa học: A region within the C-terminal domain of Ure2p is shown to interact with the molecular chaperone Ssa1p by the use of cross-linkers and mass spectrometry doc

... from the X-ray structure of the C-terminal domain of Ure2p and integrates the finding that the N-terminal domain of Ure2p is flexible. An enlargement of the region of Ure2p involved in the interaction ... Ure2p assembly into fibrils either because of a change in the conformation of this stretch or the crowding of a surface interface involved in intermolecula...
Ngày tải lên : 15/03/2014, 00:20
  • 12
  • 510
  • 0
Báo cáo khóa học: Mechanistic insight into the peroxidase catalyzed nitration of tyrosine derivatives by nitrite and hydrogen peroxide doc

Báo cáo khóa học: Mechanistic insight into the peroxidase catalyzed nitration of tyrosine derivatives by nitrite and hydrogen peroxide doc

... to the affinity of nitrite for the protein site where it is transformed into the nitrating species, in the presence of the phenol. Interestingly, these constants resemble the reciprocal of the nitrite ... formation of the nitrophenolic derivatives, in the initial phase of the reactions. The conversion of the data from DAÆs )1 to M Æs )1 was performed u...
Ngày tải lên : 16/03/2014, 16:20
  • 12
  • 414
  • 0

Xem thêm

Từ khóa: