Tài liệu Báo cáo khoa học: "Seeing stars: Exploiting class r

Tài liệu Báo cáo khoa học: "Seeing stars: Exploiting class relationships for sentiment categorization with respect to rating scales" doc

... 2005. c 2005 Association for Computational Linguistics Seeing stars: Exploiting class relationships for sentiment categorization with respect to rating scales Bo Pang and Lillian Lee (1) Department of Computer ... explic- itly incorporates information about item similarities together with label similarity information (for in- stance, “one star” is closer to “two...

Ngày tải lên : 20/02/2014, 15:20

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Tài liệu Báo cáo khoa học: Infrared spectroscopy as a tool for discrimination between sensitive and multiresistant K562 cells doc

... linear discrimi- nant analysis was performed on sensitive and multiresistant cells spectra in order to establish a diagnostic tool for multiresistant pattern. For each of t he two methods of data reduction ... searches for the variables containing the greatest interclass variance and the smallest intraclass variance, and constructs a linear combination of the variables to discrimina...

Ngày tải lên : 21/02/2014, 03:20

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Tài liệu Báo cáo khoa học: "Web augmentation of language models for continuous speech recognition of SMS text messages" docx

... query selection algorithm for the retrieval of web text data to augment a statistical language model (LM). The number of retrieved rel- evant documents is optimized with respect to the number of queries ... than the background data, and we wish to obtain more text with this crucial n-gram. The opposite is true for the last n-gram. We need to transform the ranking into ρ(·) v...

Ngày tải lên : 22/02/2014, 02:20

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Tài liệu Báo cáo khoa học: An alternative isomerohydrolase in the retinal Muller cells of a cone-dominant species doc

... that cone photoreceptors recovered light sensitivity following photobleaching when the cone photoreceptors are con- nected with other retinal cells, but not with the RPE; rod photoreceptors did not ... °C for 5 min fol- lowed by 35 cycles of 94 °C for 1 min, 58 °C for 1 min and 72 °C for 2 min. After agarose gel electrophoresis, the PCR product was puriﬁed and cloned into the pGEM...

Ngày tải lên : 14/02/2014, 14:20

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Tài liệu Báo cáo khoa học: Angiopoietin-like proteins: emerging targets for treatment of obesity and related metabolic diseases pptx

... N-termi- nus for protein secretion, and secreted angiopoietin functions to maintain the vascular system and hemato- poietic stem cells through the Tie2 receptor [6]. How- ever, ANGPTLs do not bind to either ... angiopoietin-like protein; PGC-1a, peroxisome proliferator-activated receptor-c (PPARc) coactivator 1a; PPAR, peroxisome proliferator-activated receptor. FEBS Journal 278 (2011)...

Ngày tải lên : 14/02/2014, 22:20

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Tài liệu Báo cáo khoa học: Crystal structure of Klebsiella sp. ASR1 phytase suggests substrate binding to a preformed active site that meets the requirements of a plant rhizosphere enzyme doc

... leaving enough freedom for the bulky phy- tate to rotate for further dephosphorylation steps or for alternative substrates to bind to the active site. Indeed, PhyK is able to dephosphorylate a ... Z-score was 47.0 for 402 superimposed C a atoms of AppA and 41.9 for 391 superimposed C a atoms of G1P. Despite the structural similarity, the sequence identity with PhyK is only...

Ngày tải lên : 16/02/2014, 09:20

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Tài liệu Báo cáo khoa học: Mixed lineage leukemia: histone H3 lysine 4 methyltransferases from yeast to human pptx

... mono- and dimethylated-K4 of histone H3 (Table 4). LSD1 has been shown to interact with repressors like (co)repres- sor for element-1-silencing transcription factor and activation complexes like ... Ryan OW, Golshani A, John- ston M et al. (2003) The Paf1 complex is required for histone H3 methylation by COMPASS and Dot1p: linking transcriptional elongation to histone methylation....

Ngày tải lên : 16/02/2014, 14:20

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Tài liệu Báo cáo khoa học: Paradoxical interactions between modiﬁers and elastase-2 Patricia Schenker and Antonio Baici docx

... due to higher conforma- tional ﬂexibility that allows the molecule to form strong interactions with several biomolecules [13]. PPS was used in this study as a reference molecule with uniform sulfation ... In the absence of inhibitors or activators, a liberator does not interfere with enzyme activity [11,17]. We were unable to measure the binding of glycosa- minoglycans to elasta...

Ngày tải lên : 16/02/2014, 14:20

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**Tài liệu Báo cáo khoa học: Neuronal growth-inhibitory factor (metallothionein-3): reactivity and structure of metal–thiolate clusters* doc**

... growth-inhibitory factor (GIF) [1] because of the discovery that it is a factor in brain extract with the ability to inhibit neuronal outgrowth. Moreover, MT3 or GIF was reported to be down-regulated ... cooperatively to MT3 at pH 7.3. Upon adding seven equivalents of Cd(II) or Zn(II) to MT3, distributions of metal loading were detected, ranging from ﬁve to nine for Cd(II) and f...

Ngày tải lên : 16/02/2014, 15:20

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Tài liệu Báo cáo khoa học: The multicopper oxidase from the archaeon Pyrobaculum aerophilum shows nitrous oxide reductase activity docx

... measurements were performed with a silver ⁄ silver chloride electrode, calibrated with a quinhydrone-saturated solution at pH 7.0. The redox potentials are quoted with respect to the standard hydrogen ... titrated to the desired pH with 0.5 m NaOH), as previously described [11]. For measurements with metal ions, the pH was chosen in accordance with the stability of the met...

Ngày tải lên : 18/02/2014, 04:20

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