utilization of thermal properties for understanding baking and staling processes

... mds, and mss are the intercepts and slopes of the lower and upper baselines of the melting curves, respectively; T is the temperature of interest in Kelvin, a is the molar fraction of strands ... in terms of coupled processes of formation and association of single-stranded helices Biochemistry 38, 84098422 28 Rouzina, I & Bloomeld, V.A (1999) Heat capacity eects on the melting of DNA General ... [28,29,3638], the effect of heat capacity change on the thermodynamic properties of duplex formation, except for a few studies [3942], has been lacking Therefore, systemic and extensive investigations...

Ngày tải lên: 22/02/2014, 07:20

... techniques For tasks of this kind, DiMLex can supply the set of cue words to be looked for and support the initial disambiguation of cues in the text Depending on the depth of the syntactic and semantic ... t e x t understanding In text understanding, discourse markers serve as cues for inferring the rhetorical or semantic structure of the text In the approach proposed by Marcu [1997], for example, ... parsing of natural language text." In: Proceedings of the 35th Annual Meeting of the ACL and 8th Conference of the European Chapter of the ACL, Madrid, July 1997 J Martin English Text - System and...

Ngày tải lên: 20/02/2014, 18:20

Ngày tải lên: 21/02/2014, 09:20

... personality and diligence, which I will treasure my whole life I also gratefully acknowledge Prof V.O.K Li, Prof G.L Li, Prof Y.C Wu, Prof S.C Chan, Prof T.S Ng and Prof Agnes S.L Lam for their ... analysis of channel estimation for the first M1 OFDM symbols 100 4.4.2 MSE analysis of channel estimation for the last M2 OFDM symbols 103 4.4.3 MSE analysis of channel estimation for one OFDM block ... studies the channel estimation for OFDM systems and system capacity for MIMO-OFDM systems, this chapter briefly introduces the background of OFDM systems and MIMO systems OFDM is an effective technology...

Ngày tải lên: 20/11/2012, 11:28

... density of activated carbons and to determine pHzpc Results and discussion 4.1 Effect of initial dye concentration To investigate the effect of initial dye concentration on the performance of the ... concentration profile and a more efficient performance were obtained in the case of smaller particle sizes All the curves show the classic “S” shape profile The enhancement of the column performance ... results of Thomas model constants for the adsorption of MB, BR and BY onto PAC2 and F400 It is clear from the table that maximum solid-phase concentration of the solute, qo, increased in the order of...

Ngày tải lên: 05/09/2013, 16:11

... the activity and promote intellectual understanding of cross-cultural issues Anyway, preparation of both of these activities seems to be time-consuming and require a certain level of familiarizing ... for a much richer understanding of culture than heretofore envisaged by the majority of language teachers 2.2 Common approaches to the teaching of culture In the history of culture teaching different ... textbook among 23 the set of English textbooks for senior high school in Vietnam and the analysis of its cultural content may set an initial step for the analysis of the whole set of high school English...

Ngày tải lên: 07/09/2013, 12:58

... controllers of the activity of catalysts, signals for generating the catalysts and other molecules, sources of energy, and components of the physical structure of the cell Today, we understand many ... a thousand proteins That number of catalysts is still very complicated, and we have as yet no conceptual tools for understanding a network of reactions of such complexity But this level of complexity ... of the properties of matter: L J Henderson’s theory of the fitness of the environment Journal of the History of Biology, 29, 155–96 Fry, I (2000) The Emergence of Life on Earth: A Historical and...

Ngày tải lên: 14/02/2014, 09:20

... Overview of the principal melanotic pathways and some of the proposed sites of activity of DOPA decarboxylase (DDC), tyrosinase (TYR), tyrosine-3-hydroxylase (TAH), peroxidase (PER), and phenylalanine ... tetrahydrobiopterin; GSH, reduced glutathione compounds, and reducing agents, the activities of melanogenic enzymes and competitive oxidases, and the availability of enzyme cofactors The two-step reaction sequence ... the early stages of melanogenesis, despite reports of the involvement of peroxidase–H2O2 systems in later stages during the oxidation of indolequinone precursors of eumelanin and benzothiazinylalanine...

Ngày tải lên: 07/03/2014, 17:20

... view of the interactions of papain with loop L6 of chagasin and loop L2 of cystatin B (C) Zoom-in view of the interactions of papain with loop L4 of chagasin and the N-terminal segment of cystatin ... difference of 9° between these complexes may be correlated with the variation of the rate of binding and affinity for chagasin of these enzymes On the other hand, in the two crystal forms of the chagasin–cathepsin ... carbonyl group of the main chain of M90 and the nitrogen atom of A35 A similar stabilizing contact between cystatin B loops L2 and L1 is formed by the mainchain carbonyl of Q101 and the peptide...

Ngày tải lên: 16/03/2014, 04:20

... features of proteins of the GH72 family and demonstrate that the most N-terminal highly conserved cysteine is crucial for the folding and maturation of Gas1p Materials and methods Strains and growth ... sequence of GAS1 Twenty-five cycles of a 45 s melting step at 94 °C, a annealing step at 50 °C for Gas1E161Q-H and 53 °C for Gas1E262Q-H, and a extension step at 72 °C were performed and the Taq ... using two sets of primers For sGas1E161Q-H, a pairing of the forward primer XHup and reverse primer RMGLN161 (5¢-TGTTAGTAACTTGATTACCGGCGAAG-3¢), and a pairing of the forward primer FMGLN161 (5¢-CTT...

Ngày tải lên: 16/03/2014, 18:20

... 2.81% of natural land area, however, aquaculture production is still potential and its capability can be expanded further based on the potential of exploitation and utilization of tidal peak and ... hunger and reduce poverty for the farmers - Developing spatial organization of high effective economic models have created new awareness, and goods and market understanding for inshore farmers of ... accounted for 6.2% of GDP in 2004 The marine economic consists of the branches of catching and exploiting organism sources and seafood processing 3.2.1 The catching and exploiting sources of the...

Ngày tải lên: 22/03/2014, 12:20

... impacts of HVHF processes can be greater than the impacts of conventional gas exploration and production processes per unit of gas extracted The challenge of ensuring the integrity of wells and other ... required for recovery of a given volume of gas than for recovery of the same volume of gas from conventional reservoirs Of the order of 50 shale gas wells might be needed to recover the same volume of ... greater intensity of of formation Monitoring and control of hydraulic activity fracturing process Number, size, timing and concentration of delivery slugs of fracturing fluid and proppant Hydraulic...

Ngày tải lên: 23/03/2014, 00:20

... has identified large families of isoforms of TAXI-type inhibitors in wheat grain [17] The amino acid sequences of TAXI-I and TAXI-II isoforms share a high degree of identity (UniProt accession ... acids in the active site and in the thumb region of BSX and of TAXI-type inhibitors that are crucial for xylanase-inhibitor interaction [1–4] Structural information on TAXI isoforms other than TAXI-IA ... (B,D) Cascade of conformational changes upon association of TAXI-IA (B) and rTAXI-IIA (D) with BSX in the aglycon-binding sites of the xylanase, determined by Tyr174 (subsites +1 and +2) and Tyr88...

Ngày tải lên: 23/03/2014, 05:22

... parts of speech of * This work was supported in part by the National Science Foundation, and in part by the U.S Army Signal Corps, the Air Force Office of Scientific Research, and the Office of ... part by the U.S Army Signal Corps, the Air Force Office of Scientific Research, and the Office of Naval Research, and in part by the National Bureau of Standards 1963 ANNUAL MEETING ... exocentrism, and homography In the present paper, a format for the description of Russian items is offered and a program for testing the connectability of pairs of Russian items is sketched This system...

Ngày tải lên: 23/03/2014, 13:20

... Fig SDS/PAGE analysis of trypsin-catalysed cleavage of recombinant wild-type CTPS in the absence and presence of ligands For each gel: lane contains molecular mass standards and lanes 26 contain ... masses of % 25 and % 28 kDa In the presence of ATP and UTP (10 mM each) (B), and CTP (2.5 mM) (C), only production of the 10- and 53-kDa cleavage fragments is observed In the presence of GTP ... wild-type CTPS because of slow cleavage at Lys432 In the presence of ATP and UTP, cleavage of R429A at Lys187 was suppressed and only the 10- and 53 kDa fragments were formed because of slow cleavage...

Ngày tải lên: 23/03/2014, 17:22

... BBMVs Aliquots of 20 lL of 100 nM of wild-type Cry1Aa were mixed with lg of BBMVs and incubated for 15 or h at 37 °C Samples were then mixed with SDS-PAGE sample buffer and incubated for at various ... (365)LYRRIILG(372), R311, N376, G442 and Y445 (Figs 2, and 5), and therefore loops 1, and (especially loop 2) are good candidate regions for the introduction of mutations to obtain mutant toxins ... cadherin-like receptor BtR175 of B mori Indeed, improvement of these loops by mutation has been performed for several Cry toxins For example, loop mutants of Cry1Ab and loop mutants of Cry3Aa have higher...

Ngày tải lên: 29/03/2014, 22:21

... concentration LaHtot and pH consists out of two major steps, namely, (i) determination of medium related parameters (i.e., the parameters of Eqs (14) and (15)), and (ii) determination of growth and production ... the parameters a, b and c of expression (14) and a1, b1, c1 and pH0 of expression (15) are identified Simulations of relations (14) and (15) with the estimated parameter values for the case study ... projects OT/99/24 and COF/98/008, the Institute for the Promotion of Innovation by Science and Technology in Flanders (IWT), the Fund for Scientific Research-Flanders (FWO) as part of project G.0267.99,...

Ngày tải lên: 05/05/2014, 08:44

... 0.01) and Mel/ noM-A sequences (p < 0.05) Furthermore, the majority of Mel/M-A and Ctrl/M-A CDR3 were 12 amino acid long (32.9% and 31.9% respectively), while most of CDR3 of Mel/noM-A and Ctrl/HLA-A2+ ... Melan-A-specific CTL isolated from PBL and from tumor sites of HLA-A2+ melanoma patients, independently of the stage of disease and of the methodological approaches used for T-cell cloning The same motif ... contributions FS, and AS have made substantial contribution in the acquisition and alignment of sequences, in the analysis and interpretation of data, and helped to draft the manuscript LC, BP, PGN, and PN,...

Ngày tải lên: 18/06/2014, 15:20

... negotiation of new power dynamics between patients and care givers and training and supervision where appropriate Page of Assessment of methodological quality of studies We undertook an assessment of ... patient in Uganda and South Africa found that mean costs were almost a third less in the former ($US331 vs Page of Table 1: Characteristics and outcomes of studies on the impact of task-shfting ... [54,55] and Rwanda [56-58] have also reported highly satisfactory outcomes in terms of mortality and retention-in-care for both adults and children Home-based care, treatment support, and other...

Ngày tải lên: 18/06/2014, 17:20

... understand the lesson, his father often explains it for him a understand b his c often d for > d 145 Most of the building in this town are rather unattractive, but this church is an exception a of ... presented reward for the return of her lost bracelet a presented b for c of d lost > a 155 We are interested of the conservation of forests a interested b of c conservation d of > b 156 I think there ... way of teaching moral lessons to young people a goodest b teaching c moral d to > a 189 I talk about the Tower of London, and then of the lives of people in England today a the b and c of d...

Ngày tải lên: 18/06/2014, 17:20