pattern clusters and its evaluation by automatically generated sat analogy questions

Ngày tải lên: 23/03/2014, 17:20

Ngày tải lên: 05/09/2013, 08:40

... the proton electrochemical potential generated both by the H + -ATPase and H + -PP i ase [11]. By analogy, this model may also include the protein encoded by the tt12 gene in Arabidopsis thaliana ... equation and the apparent K M and V max values were derived with their standard errors. The competitive and noncompetitive K i values were derived from the equations K Mi ¼ K M (1 + [I] ⁄ K i ) and ... inhibited by cyanidine 3-glucoside (K i ¼ 51.6 lm) and mainly noncompetitively by cyanidin (K i ¼ 88.3 lm). Two antisequence antibodies against bilitranslocase inhibited this carrier. In analogy...

Ngày tải lên: 20/02/2014, 01:20

... incubation were taken at 1, 2 and 3 h, and extracellular and intracellular media were separated by centrifugation and analysed in par- allel by 1 H NMR spectroscopy and by TLC. Under these conditions, ... were separated by centrifugation and analysed, in parallel, by 1 H NMR spectroscopy and by TLC. Consumption of the substrates and pro- duction of the final metabolites (succinate and acetate) were ... following substrates: glucose; cellobiose; a mixture of glucose and cellobiose; and cellulose. Intracellular and extracellular media were analysed by 1 H-NMR and by TLC. The first important finding is that no cellodextrins...

Ngày tải lên: 07/03/2014, 17:20

... absorp- tivity (e) and the normalized rate constant k can be obtained from the fitted values of A and R divided by the protein concentration (e ¼ A/[Tf] and k ¼ R/[Tf]). The depend- ence of e and k on the ... apo-Tf was not fully saturated by Yb 3+ however, the major Yb-bound Tf species is mainly Yb 2 -Tf. Fluorescence labeled Yb-Tf and Fe 2 -Tf were prepared by incubating Fe 2 -Tf and Yb 2 -Tf solution ... recognized by and bind to TfR on the surface of K562 cells in a manner similar to Fe 2 -Tf. However, the higher saturation concentration of Yb 2 -Tf (0.2 l M vs. 0.05 l M for Fe 2 -Tf) and its competition with...

Ngày tải lên: 08/03/2014, 09:20

... Japan. DUC and TSC both aim to compile standard training and test collections that can be shared among researchers and to provide common and large scale evaluations in single and multiple ... If we count the number of model units that are marked as good summary units and are selected by systems, and use the number of model units in various summary lengths as the sample ... system, NeATS, and its evaluation in DUC-2001. We were encouraged by the content and readability of the results. As a prototype system, NeATS deliberately used simple methods guided by a few principles:...

Ngày tải lên: 17/03/2014, 08:20

... affect the viewer and the user." Architecture can establish a meaning and a feeling; it will affect man's mood. The mood is created and controlled by an architect's use and design of ... Architecture and Its Legacy. Chicago: The University of Chicago Press, 1994; xxv + 198 pp.; 113 ills. Richard Etlin, in his study, Symbolic Space: French Enlightenment Architecture and Its Legacy, offers ... of unity, solidarity, and amity to which the Union is dedicated." The building itself is not too grand in size to impose a visitor, yet his subtle use of pilasters and a characteristic three-arch...

Ngày tải lên: 21/03/2014, 22:51

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Ngày tải lên: 30/03/2014, 11:20

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Ngày tải lên: 31/03/2014, 07:20

Ngày tải lên: 22/06/2014, 19:20

Ngày tải lên: 05/09/2013, 10:17

... tongues and sharp teeth,  (89) and he saw them form a circle and move even slowly closer and closer  1 + 2 (positive addition) 42 nd  (90) His hand went to the fire  (91) and he ... clause expands on another by one of three ways: by elaborating, by extending, or by enhancing. In this way expansion can be divided into three categories: elaboration, extension and enhancement, ... are called by Halliday “field, tenor and mode”. Field, tenor and mode determine the experiential meaning, interpersonal meaning and textual meaning, respectively. In order to understand a text,...

Ngày tải lên: 29/01/2014, 14:44

... amorphous aggregates and fibrillar deposits. Fig. 5. Aggregation of a-synuclein after 240 h. Samples containing MPTP (A and C) and MPP + (B and D) were analysed by SDS ⁄ PAGE (A and B) on 5–15% crosslinked ... aggregation by dopamine in the presence of MPTP and its metabolite Prashant N. Jethva, Jay R. Kardani and Ipsita Roy Department of Biotechnology, National Institute of Pharmaceutical Education and Research ... 100 lM MPTP and 50 lM dopamine (F), in the presence of 200 lM MPTP and 50 lM dopamine (G), in the presence of 100 l M MPP + and 50 lM dopamine (H) and in the presence of 200 lM MPP + and 50 lM...

Ngày tải lên: 14/02/2014, 19:20

... due to their flexibility and proximity to inhibitors and mutations: the flaps, the 80¢s loops and the hydrophobic clusters formed by res- idues Ile47, Ile54, Thr80, Ile84 and Ile50¢ from the opposite ... mutation I50V shows nine-fold worse inhibition by darunavir (DRV) relative to wild- type enzyme [19], and 50- and 20-fold decreased inhibi- tion by indinavir and SQV [17,18]. Unlike Ile50, Ile54 does ... different inter- actions between PR and inhibitors, the absence of the C-HÆÆÆO contact between flap residue 50 and Thr80 in PR I50V –APV, and its presence in PR I50V –SQV and PR WT complexes, contributes...

Ngày tải lên: 18/02/2014, 04:20

... buffer. Shown are stefin A and stefin B at pH 5 and variant 2 of ste- fin B and the P79S mutant of the variant at both pH 7 and pH 5. Each panel is a plot of heat change on ligand addition (kcalÆmole )1 ) against ... of CuSO 4 in the buffer were used (50 and 150 lm) giving 1 : 1 and 1 : 3 protein to Cu 2+ ratios. Figure 6 and Table 2 show the outcome of the fibril- lation assays with and without Cu 2+ present in the medium. ... B by one amino acid residue Fig. 7. Inhibition of amyloid fibril growth as observed by TEM. Samples at 34 lM protein concentration were incubated at 25 °C in the stand- ard fibrillation buffer and...

Ngày tải lên: 19/02/2014, 06:20

... FEBS Induction of raft-like domains by a myristoylated NAP-22 peptide and its Tyr mutant Raquel F. Epand 1 , Brian G. Sayer 2 and Richard M. Epand 1,2 1 Department of Biochemistry and Biomedical Sciences, ... (2000) Shared and unique roles of CAP23 and GAP43 in actin regulation, neurite outgrowth, and anatomical plasticity. J Cell Biol 149, 1443–1454. 2 Zakharov VV, Capony JP, Derancourt J, Kropolova ES, Novitskaya ... addition, the protein has no hydropho- bic segment and its free energy of partitioning into membranes can be accounted for by the insertion of its myristoyl group [11]. Myristoylated proteins are...

Ngày tải lên: 07/03/2014, 17:20

... can be represented by subtraction (Y- X) (Damashek, 1995), and is called differentia words, by analogy with definition sentences in dictionaries, which contain genus words and differentia. In ... multiple newspaper articles, and for visualizing various characteristics of them by using a directed graph. A set of articles is represented by a set of word vectors, and the similarity between ... manually linked at a high cost in terms of time and effort. This paper describes methods for relating news- paper articles automatically, and its application for a Webcasting application. A...

Ngày tải lên: 08/03/2014, 06:20