proof that the angle sum of a triangle is 180 degrees
Báo cáo Y học: Incorporation of 3-nitrotyrosine into the C-terminus of a-tubulin is reversible and not detrimental to dividing cells potx
Ngày tải lên :
17/03/2014, 10:20
... indicates clearly that the two compounds are incorporated into tubulin at the same site Another biochemical characteristic of tubulin is its ability to act as substrate of the detyrosinating ... incubation was the same in both cases (data not shown), indicating that replacement of tyrosine by 3-nitrotyrosine at the C-terminus of a- tubulin is not relevant to the association of carboxypeptidase ... dividing the optical density of each band stained with antibodies to Glu- and nitrotyrosinated tubulin by that of an identical sample stained with DM 1A antibody Capabilities of nitrotyrosinated and...
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Báo cáo toán học: "The characteristic polynomial of a graph is reconstructible from the characteristic polynomials of its vertex-deleted subgraphs and their complements" doc
Ngày tải lên :
07/08/2014, 06:20
... in their respective coefficients of x The list of the characteristic polynomials of the vertex deleted subgraphs of the two graphs is shown in Table This is hardly an indication that counter-examples ... subgraph and its complement This is crucial to the proof of Theorem 3.1 Finally, the referee noted that the result from the title can be reformulated as follows: The eigenvalues and main angles of ... to prove that the characteristic polynomial is also reconstructible But there is an alternative argument to this Let PG (x) be the derivative of the characteristic polynomial of G Then (see [9])...
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Báo cáo khoa học: Esculentin-1b(1–18) – a membrane-active antimicrobial peptide that synergizes with antibiotics and modifies the expression level of a limited number of proteins in Escherichia coli doc
Ngày tải lên :
16/03/2014, 00:20
... Mangoni ML, Maisetta G, Di Luca M, Gaddi LM, Esin S, Florio W, Brancatisano FL, Barra D, Campa M & Batoni G (2008) Comparative analysis of the bactericidal activities of amphibian peptide analogues ... permeation/proteome proteome of the target microorganism and no microbial resistance; and (b) the design of potential coadjuvants of those antimicrobial agents that are already available after ... where A and B are the MICs of drug A and drug B in the combination, MICA and MICB are the MICs of drug A and drug B alone, FICA and FICB are the FICs of drug A and drug B and n is the number of...
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Báo cáo toán học: "A Combinatorial Proof of the Log-concavity of a famous sequence counting permutations" potx
Ngày tải lên :
07/08/2014, 08:22
... function proof we know of in which a sequence whose length is quadratic in terms of the length of the input objects is shown to be log-concave The proof of our claim 2.1 The outline of the proof It is ... and decrease the entry of p that was one larger than p1 by one Let the obtained permutation be p Similarly, decrease q1 by 1, and increase the entry of q that was one larger than q1 by Let the ... is easy to see that the sequence (ak )0≤k≤m is log-concave if and only if ak al ≤ ak+1 al−1 for all k ≤ l − One implication is trivial, and the other becomes obvious if we note that log-concavity...
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In this paper, we investigate the relationship between migration and species distribution in multizone environment. We present a discrete model for migration of three competing species over three zones. We prove that the migration tactics of species leads
Ngày tải lên :
16/10/2015, 09:09
... the system is down and False when it is operational It is the value carried by the root of the DFT Due to these new gates the static analysis based on cut sets and the Markov chain approach are ... the dormant has the same failure rate as an operating one, and it is called ”warm” otherwise • FDEP The FDEP gate has one main input connected to a component or another gate and it has several ... necessary to build the new sample-path Such a phenomenon is defined as the coupling of sample-paths Note that it is not proved that the sample-paths couple and this is not necessary for the proof of...
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The Marketing Strategy of a multinational join stock company.doc
Ngày tải lên :
27/10/2012, 16:51
... sales of products is another main task of the department • Financial and Accounting department: this department deals with all financial and accounting matters Another main function is to manage ... (Japanese), Trane (American) and Sanyo (Japanese) These are famous brands in the world market and Vietnamese consumers highly appreciate them A multinational join stock company has never had any ... company only sold famous brands that are Toshiba (Japanese), Mitsubishi (Japanese) Then recently it has expanded and started to sell other brands: Trane (American) and Sanyo (Japanese) This is...
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Tài liệu Issues Involved When Updating the Primary Key of a Parent Row pptx
Ngày tải lên :
24/12/2013, 01:17
... made in the child DataTable This is the default None Indicates that no action takes place SetDefault Indicates that the DataColumn values in the child DataTable are to be set to the value in the ... CustomerID of J6COM A copy of this row is stored in a DataTable named customersDT There is a row in the Orders table that also has a CustomerID of J6COM A copy of this row is stored in a DataTable named ... Third Case Assume the following: • • • Cascade Update Related Fields is unchecked UpdateRule is set to None The CommandText of the Command object in the UpdateCommand of the DataAdapter is the same...
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Tài liệu Báo cáo khoa học: Involvement of two positively charged residues of Chlamydomonas reinhardtii glyceraldehyde-3-phosphate dehydrogenase in the assembly process of a bi-enzyme complex involved in CO2 assimilation doc
Ngày tải lên :
19/02/2014, 16:20
... PsativumA SoleraceaA 197 Chlamy 200 Synechocystis 198 Synechococcus 199 R R R R R R R R R R R R R R R R R R R R A A A A A A A A A A R R R R R R R R R R A A A A A A A A A A A A A A A A A A A A A ... T T T T T G G G G G G G G G G A A A A A A A A A A A A A A A A A A A A K K K K K K K K K K A A A A A A A A A A V V V V V V V V V V S S S S A A A S A A L L L L L L L L L L V V V V V V V V V V L ... with NADH and NADPH, but the catalytic rate constant using NADPH was only half that of the wild type The catalytic efciency, expressed as kcat/Km, of the R197E mutant using NADPH was then about...
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Tài liệu Báo cáo khoa học: "Learning the Latent Semantics of a Concept from its Definition" pptx
Ngày tải lên :
19/02/2014, 19:20
... Proceedings of Fifth Annual Meeting of the North American Chapter of the Association for Computational Linguistics Ravi Sinha and Rada Mihalcea 2007 Unsupervised graph-based word sense disambiguation ... 144 Rada Mihalcea 2005 Unsupervised large-vocabulary word sense disambiguation with graph-based algorithms for sequence data labeling In Proceedings of the Joint Conference on Human Language Technology ... disambiguation In the 12th Conference of the European Chapter of the ACL Satanjeev Banerjee and Ted Pedersen 2003 Extended gloss overlaps as a measure of semantic relatedness In Proceedings of the...
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Tài liệu Báo cáo khoa học: The single tryptophan of the PsbQ protein of photosystem II is at the end of a 4-a-helical bundle domain docx
Ngày tải lên :
21/02/2014, 00:20
... determined numerical values of the ratio a/ b, and is the theoretical numerical value of ratio a/ b for a mixture of aromatic amino acids (Tyr and Trp), containing the same molar ratio as the protein ... script a is the peak–peak distance between the maximum at %287 nm and the minimum at %283 nm, and the script b is the peak–peak distance between the maximum at %295 nm and the minimum at %290 ... good and the programs did not mark any as poor or inappropriate Another structural analysis, obtained by the VERIFY3D program [61], gave an average value of 0.21, which is greater than zero, the...
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Tài liệu Báo cáo Y học: Thermostability of manganese- and iron-superoxide dismutases from Escherichia coli is determined by the characteristic position of a glutamine residue pdf
Ngày tải lên :
21/02/2014, 01:21
... mutagenesis reactions together with oligonucleotides ECF-Q69G d(5¢-AACAACGCAGCTGGGCTCTG GAACCAT), ECF -A1 41Q d(5¢-TCAACCTCTAACCAG GCTACTCCGCTG) ECM-G77Q d(5¢-AACAACGCTGG CCAGCACGCTAACCAC) and ECM-Q14 6A ... effects of a combination of key residues Further analysis of these and other mutant SODs is currently underway ACKNOWLEDGEMENTS We are indebted to G Peplow, F Yamakura and T Matsumoto for the analyses ... Tamagawa, H., Iwakura, K., Tsunasawa, S & Tsunemitsu, A (1990) Characterization of superoxide dismutases purified from either anaerobically maintained or aerated Bacteroides gingivalis J Bacteriol...
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Báo cáo khóa học: Mutational and computational analysis of the role of conserved residues in the active site of a family 18 chitinase docx
Ngày tải lên :
07/03/2014, 14:20
... shows that in the presence of the substrate, rotation of Asp142 towards Glu144 lowers the pKa of the latter by 0.8 pH units The calculated effects of the D140N and D215N mutations varied drastically ... pKa calculations indicate that Glu144 has a slightly elevated pKa in the free enzyme that, at least in part, results from the vicinity of Asp215 (Table 3, rows and 4) The calculations indicate ... why the D142N mutant retains considerable activity, whereas the D14 2A mutant does not It has been shown by X-ray crystallography that replacement of the Asp142 analogue by alanine in other family...
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Báo cáo khoa học: "Techniques to incorporate the benefits of a Hierarchy in a modified hidden Markov model" pptx
Ngày tải lên :
08/03/2014, 02:21
... (grammar parsing) at least as accurately as the HMM This is assignment is a task that HHMMs are generally not well suited to Table shows the F1 -measures of identified semantic roles for each ... chunking task The results suggest that the partial flattening process is capable of improving model accuracy when the input data contains complex hierarchical structures The evaluation involves analysing ... sequence of observations The process ends when a final state is entered The difference between a standard HMM and a hierarchical HMM is that individual states in the hierarchical model can traverse...
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Báo cáo Y học: Subsite mapping of the binding region of a-amylases with a computer program ppt
Ngày tải lên :
08/03/2014, 09:20
... SUMA software: subsite mapping of amylases This software calculates the apparent binding energies on the basis of the measured bond cleavage frequencies The calculations are based on the equation: ... Subsite map of barley a- amylase isoenzyme The binding a nities were calculated according to the data of Table Fig Subsite maps for porcine pancreatic a- amylase (PPA) The solid bars are related to ... position of the cleavage site can vary according to the calculations The primary calculated subsite energy values can be refined to the best agreement of the measured and recalculated BCF data by the...
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Báo cáo Y học: Crystal structure of the catalytic domain of a human thioredoxin-like protein pdf
Ngày tải lên :
08/03/2014, 22:20
... less negative) than the latter As the C-terminal region is rich in acidic amino acids, if it does have some interaction with the N-terminal domain, the mechanism of regulating the catalytic activity ... 1ERT) as a search model, then refined smoothly in alternating steps of automatic adjustment with CNS and manual adjustment with the program O [34] The final model has a final R-factor of 0.222 with a ... served as control The absorbance at 650 nm is plotted against time reduction assay (data not shown) As expected, the HishTRXL-C failed to reduce insulin, demonstrating that the N-terminal region is...
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Báo cáo Y học: Kinetic and biochemical analyses on the reaction mechanism of a bacterial ATP-citrate lyase ppt
Ngày tải lên :
08/03/2014, 22:20
... absence of CoA Taking into account the reaction mechanism of mammalian ACL [23], the nal step of the reaction can be assumed to be the nucleophilic attack of CoA to the phosphorylated carbonyl carbon ... to and phosphorylation of the a subunit Another function of AclB was found to be stabilization of the enzyme, as AclB prevented the degradation of AclA that was otherwise observed in the absence ... dissociation (AB) are shown in lanes and 4, the individual AclA subunits (a) are shown in lanes and 5, and AclB subunits (b) in lanes and Molecular masses (kDa) are indicated on the side of each panel The...
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Báo cáo " Influence of laser parameters on the stationary operation of a two-mode random micro laser " pdf
Ngày tải lên :
14/03/2014, 13:20
... studying the influence of laser parameters on saturated values of mode photon densities, we vary one of parameters in table and remain invariable all the rest of parameters The obtained results are ... Hoang, M.H Hanh / VNU Journal of Science, Mathematics - Physics 23 (2007) 139-142 Discussion and conclusion In the stationary operation of two-mode random microlaser, the variation of laser parameters ... makes the decrease of the one of other mode The reason perhaps is due to the conservation of energy in the operation of two-mode random microlaser However, this result reflects the energy transformation...
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Đề tài " On the Julia set of a typical quadratic polynomial with a Siegel disk " ppt
Ngày tải lên :
14/03/2014, 22:20
... ) is the Green arc of ∂ P k Proof The bounds in (i) are immediate consequences of real a priori bounds (Theorem 2.5) and the fact that f has a cubic critical point at (compare the proof of Theorem ... S1 at Lemma 4.10 There exist the following asymptotically universal bounds: n area(P0 An+2 ) n area(P0 n area(Pqn+1 An+2 ) n area(Pqn+1 area(Qn An+2 ) area(Qn An+2 ) An+2 ) An+2 ) n n area(P0 ... Lemma 4.9 There exists the following asymptotically universal bound: n area(P0 ) |I n |2 Proof This is an immediate consequence of (4.9) in Theorem 4.3 and the fact that ∂U0 makes an angle of...
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Đề tài " The diameter of the isomorphism class of a Banach space " pdf
Ngày tải lên :
15/03/2014, 09:20
... X is a separable infinite dimensional Banach space then its isomorphism class has infinite diameter with respect to the Banach-Mazur distance One step in the proof is to show that if X is elastic ... separability Our method of proof involves the concept of an elastic Banach space Say that X is K-elastic provided that if a Banach space Y embeds into X then Y must K-embed into X (that is, there ... SPACE 425 Theorem If X is a separable Banach space and there is a K so that every isomorph of X is K-elastic, then X is finite dimensional A key step in our argument involves showing that an elastic...
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