sequences the nmr responses and the types of contributing nuclei
STRUCTURE ANALYSIS OF POLYSACCHARIDE ESTERS
Ngày tải lên :
25/10/2013, 16:20
... KOH and back-titration of the excess base is one of the oldest and easiest methods for the determination of the DS In the case of short-chain aliphatic esters (C2 –C4 ) of glucans, galactans and ... Completeness of the reaction is confirmed by the disappearance of the ν(OH) band in the FTIR spectra The mixed ester obtained is highly soluble in CDCl3 , and the standard H NMR NMR spectrum (Fig ... confirming the assignment Consequently, the spectral integrals of the protons of the AGU and the methyl protons of the propionyl moiety can be applied to calculate both the partial and the overall...
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Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
Ngày tải lên :
07/03/2014, 02:20
... Resolution of the structure of NADP+-bound FeR revealed that the nicotinamide moiety of NADP+ faces the re-side of the isoalloxazine ring, and that the 2Â-P-AMP moiety is held in the groove between the ... Pro154, Ile156 and Pro161 of the other monomer Similarly, Gly175Ala181 forms an anti-parallel intermolecular b sheet with the b12 of the other monomer, and towards the C-terminus, the subsequent ... of the logarithms of the concentration ratios for oxidized and reduced forms of the mediator versus that of recombinant avoredoxin Reduction titration of avoredoxin by NAD(P)H The reduction of...
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Báo cáo khoa học: Comparative structure analysis of proteinase inhibitors from the desert locust, Schistocerca gregaria pptx
Ngày tải lên :
08/03/2014, 10:20
... Furthermore, the results of the H±D exchange experiment suggest a signi®cant difference in the internal ¯exibility of the molecules The rigid nature of the second b strand is consistent with the ... in the P2¢ and P3¢ positions of the binding loop The residues with the greatest DdNH values are Thr16 and, more interestingly, Gln35 The majority of the residues affected, including Thr16 and the ... Cys27 These data together with the calculated structures are indicative of a number of intersheet hydrogen bonds in both of the molecules The exchanging properties of the amide protons of SGCI[L30R,...
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Báo cáo khoa học: A novel mass spectrometric approach to the analysis of hormonal peptides in extracts of mouse pancreatic islets ppt
Ngày tải lên :
17/03/2014, 10:20
... truncated C-peptides lacking the five Table Measured and theoretical masses of the pancreatic islet peptides The experimental masses agree well with the theoretical masses of the candidate peptides Mass ... collected The spectrum was calibrated using a dataset of a sample of standard peptides After calibration, the masses of the standard peptides differed by maximum 1.1 p.p.m from the theoretical ... through the cathode heater was set to 2.2 A The cathode surface potential was )1 V and the anode potential was 10 V Both end-plate potentials of the ion trap were set at 1.5 V and the duration of the...
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báo cáo hóa học:" Growth and structure analysis of tungsten oxide nanorods using environmental TEM" doc
Ngày tải lên :
21/06/2014, 17:20
... confirmed on the edge of the nanorods; the steps grew and moved to the top of the nanorods, as observed from the [100] direction in Figure 5a The steps were not confirmed on the edge of the nanorod ... tungsten wire, so this acts as the tungsten supply for the nanorods Therefore, the growth of WO3 on the edge of the nanorod starts from the bottom to the top of the nanorod The reason that WO3 nanorod ... growth, and there were no catalysts on the top of the nanorod in Figure 5a Therefore, the growth mechanism of the WO3 nanorod was not VLS Moreover, origin gases are needed in the case of the VS...
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Báo cáo y học: "Gene expression analysis of nuclear factor I-A deficient mice indicates delayed brain maturation" pot
Ngày tải lên :
14/08/2014, 07:21
... probe sets The higher the signal intensity is on this reference chip, the more red the color; similarly, and the lower the signal intensity, the more green is the curve's color (following the spectrum ... transcription factors and ribosomal proteins, and comprise only 10.4% of probe sets on the microarray Figures and show the distribution of gene functions in the upregulated and downregulated groups, ... further support when one looks at the function of the dysregulated genes Gene function When the list of genes changed at P16 was analyzed using Gene Ontology (GO) terms, a total of 34.6% of all...
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Crystal structure analysis of pils, a type lvb pilin from salmonella typhi
Ngày tải lên :
14/09/2015, 10:57
... the lattice; the y-axis is in the b direction and the z-axis is in the c direction The x-, yand z-axes together form a right-handed coordinate system The possibilities of types of unit-cell arrangements ... close up view of the peptide bound region 76 Figure 4-11 Superposition of the complex structure and the native structure in the vicinity of the peptide 77 The surface charge property of the native ... and thermal stress, which are caused by differential expansion of target material at the edge of the focal spot The heating of the anode caused by the electron beam at the focal spot limits the...
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A study on the structure of the speech “ I have a dream” by Martin Luther King A systemic functional grammar analysis
Ngày tải lên :
10/08/2015, 19:48
... grammar as the theoretical framework 1.2 Aims of the study In carrying out the research, the writer aims to: Illustrate the key concepts in FG Analyze the structure and meaning of the speech ... metafunctions and cohesion which are closely related to the study will be examined in detail 1.4 Methodology of the study The structure and meaning of the speech will be focused in the study, therefore the ... (2006)… The content of the speech “I have a dream” is retrieved from the official and popular website www.americanrhetoric.com 1.6 Design of the study There are four main chapters in this minor thesis...
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ANALYSIS OF MICROBIAL COMMUNITY STRUCTURE AND IN SITU ACTIVITY OF NITRIFYING BIOFILMS
Ngày tải lên :
05/09/2013, 08:40
... microprofiles of O2, NH4+, NO2-, and NO3- in the autotrophic nitrifying biofilm (B) The distribution and magnitude of the estimated specific rates of net consumption and production of NH4+, NO2-, and ... NO3- (C) The solid lines are the best fits from the model to calculate the specific consumption and production rates of NH4+, NO2-, and NO3- The biofilm surface was at a depth of zero The values ... localization, and quantification of microbial populations, (2) the determination of physicochemical microenvironment, and (3) the measurement of their in situ activity Combination of FISH and microsensor...
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An Analysis of Domestic Water Demand Structure and Water Recycling in Beijing
Ngày tải lên :
05/09/2013, 10:17
... The other questionnaire was answered by the household at the end of the six-day survey for each day of the study period The questions were read before and after each period of water use, and the ... However, the continued over-withdrawal of water resources since the 1980s has led to the depletion of aquifers, reducing water availability on the one hand and increasing cost of water supply on the ... that most of the water supply systems depend on groundwater, and that part of the municipal water is directly discharged into the environment The next task consisted of calculating, the per capita...
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an economic analysis of financial structure
Ngày tải lên :
05/01/2014, 16:56
... information and engage in undesirable activities • Separation of ownership and control of the firm – Managers pursue personal benefits and power rather than the profitability of the firm Tools ... Sarbanes-Oxley Act of 2002 (cont’d) – Beefs up criminal charges for white-collar crime and obstruction of official investigations – Requires the CEO and CFO to certify that financial statements and disclosures ... executives of other companies in return for their companies’ future business Why Do Conflicts of Interest Arise? II • Auditing and Consulting in Accounting Firms – Auditors may be willing to skew their...
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02 three dimensional static and dynamic analysis of structure
Ngày tải lên :
12/01/2014, 21:45
... (1.23) L and is defined as the axial flexibility of the member It is AE important to note that the stiffness and flexibility terms are not a function of the load and are only the material and geometric ... Remember the result obtained from a computer model is an estimation of the behavior of the real structure The behavior of the structure is dictated by the fundamental laws of physics and is not ... Two-Dimension Truss Element The axial deformation of the element can be expressed as the sum of the axial deformations resulting from the four displacements at the two ends of the element The total axial...
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Tài liệu Báo cáo khoa học: Analysis of proteins and peptides on a chromatographic timescale by electron-transfer dissociation MS ppt
Ngày tải lên :
18/02/2014, 16:20
... observed ions of type c¢ and z¢Æ define sequences at the N-terminus and C-terminus of the protein, respectively These sequences match to the 50S ribosomal protein, L34 Lines above and below the protein ... pair of fragment ions of type c¢ and z¢Æ Subtraction of the m ⁄ z values for the fragments within a given ion series that differ by a single amino acid affords the mass and thus the identity of the ... modified and unmodified versions of the L34 protein are present in a ratio of : 20 Analysis of the spectra recorded on the other peaks in the base peak ion chromatogram allowed us to detect and identify...
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Tài liệu Báo cáo khoa học: Quantitative analysis of the experimental O–J–I–P chlorophyll fluorescence induction kinetics Apparent activation energy and origin of each kinetic step Steve Boisvert, David Joly and Robert Carpentier doc
Ngày tải lên :
19/02/2014, 05:20
... the amplitudes and rate constants of the two other phases The above should be governed by the balance between the rate of reduction and oxidation of the acceptor side of PSII by the available ... evaluate the contributions and kinetics of the three main components of the FI traces Deconvolution of the traces with the sum of three exponential rises provided an excellent t between simulated and ... correspond to the end of the JI phase [8,28,29] It is likely that the emergence of a peak for I in the FI curves depends on the relative amplitude and rate constant of the JI phase compared to the amplitudes...
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Tài liệu Báo cáo khoa học: Unusual metal specificity and structure of the group I ribozyme fromChlamydomonas reinhardtii23S rRNA pptx
Ngày tải lên :
19/02/2014, 07:20
... positioned in the catalytic center [9,10] Owing to the complexity of the ribozyme reactions and the polyanionic nature of RNA, the catalytic chemistry and folding of group I ribozymes (and other large ... whereas binding of a minimum of m Mn2+ ions forms the inactive complex The sizes of the active and inactive fractions are the result of competitive metal binding to RNA The values of n and m are estimated ... most of P9.1 is neutral The 5Â strand of P9.0 is protected despite the absence of the 3Â strand For the idiosyncratic P7.1 and P7.2 domains, the helices are weakly protected, except for the 3Â...
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Tài liệu Báo cáo khoa học: "Identifying Linguistic Structure in a Quantitative Analysis of Dialect Pronunciation" docx
Ngày tải lên :
20/02/2014, 12:20
... between the instances in the data set (Davison, 1992) On both the maps the biggest division is between East and West The border between these two areas goes around Pleven and Teteven, and it is the ... Alignment of word pronunciation pair The alignments were carried out using the Levensthein algorithm,4 which also results in the calculation of a distance between each pair of words The distance is the ... the data set used in the project, as well as on the process of the aggregate analysis will be given 3.1 Data Set The data used in this research, as well as the research itself, are part of the...
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Tài liệu Báo cáo Y học: Functional analysis of DM64, an antimyotoxic protein with immunoglobulin-like structure from Didelphis marsupialis serum pdf
Ngày tải lên :
21/02/2014, 01:21
... the region between the second and third domains were predicted to form the metalloproteinase-binding site [24] A remarkable difference between the sequences of DM64 and DM43 is the presence of ... Using the oligonucleotides DML250R and T7 and the cDNA library as template, the nucleotide sequence was extended by PCR to obtain the N-teminal sequence, signal peptide and the 5¢UTR region The ... loops of these extra Ig-like domains, indicating that the shift from an antihemorrhagic to an antimyotoxic molecule could be the result of a combination of these two features, presence of the gap...
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Tài liệu Báo cáo khoa học: Domain IV of mouse laminin b1 and b2 chains Structure, glycosaminoglycan modi®cation and immunochemical analysis of tissue contents pptx
Ngày tải lên :
21/02/2014, 03:20
... that 71±93% of the extractable laminin c1, b1 and b2 chain were already solubilized by EDTA and detergent Furthermore, the content of extractable laminin-1 was calculated based on the c1 and b1 chain ... lower amounts of b2 chain (4±20% of b1) were found As expected, the highest amounts of b1 chain were found in the EHS tumor, while the content of b2 chain did not exceed 0.2% The amounts of c1 chain ... 20%) of such inhibition assays [36], in most cases in good agreement with the sum of b1 and b2 chains It served therefore as an internal control for the quality of the data Tissue extracts of mice...
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Tài liệu Báo cáo Y học: NMR-based determination of the binding epitope and conformational analysis of MUC-1 glycopeptides and peptides bound to the breast cancer-selective monoclonal antibody SM3 pptx
Ngày tải lên :
21/02/2014, 15:20
... 36% of the interaction of the full peptide with the binding cavity of SM3 The sizes of the surfaces were determined using distances between ligand ˚ atoms and protein atoms of less than A These ... a distance of A or less to the ligand The C-terminal part of the peptide (RPAP) has close contacts to the next protein in the crystal cell and is therefore stabilized on the surface of SM3 It ... reference pairs The build-up of the trNOE between Asp2-b and b¢ is much faster than that of the other two reference points indicating differences of the rotational correlation times of these proton...
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