STRUCTURE ANALYSIS OF POLYSACCHARIDE ESTERS
... obtained by elemental analysis a = number of analyte in the repeating unit b = number of analyte in the introduced group Mr (RU) = the molar mass of the repeating unit 8.2 Optical Spectroscopy In ... chemical engineering data of esterification reactions, which are obtained in a direct and non-invasive inline manner by using remote Raman sensors This is illustrated by the synthesis of cellulose ... content, distilling the resulting mass to obtain all of the lower fatty acids in the form of a distillate, titrating a given amount of the distillate with standard alkali, and determining the different...
Ngày tải lên: 25/10/2013, 16:20
... avoredoxin and A fulgidus FeR is low (17%) Among the avin-containing electron-transfer proteins of Desulfovibrio species, the structures of the FMN-binding protein and avodoxin were determined by ... [5,6] Interestingly, the residues corresponding to metal ion binding are totally different in both FeR and M acetivorans avoredoxin These cysteine residues are replaced by threonine and leucine in ... one cysteine residue at or around the site corresponding to the zinc-binding site of avoredoxin These lines of evidence raise questions as to why a zinc ion binds robustly to DvMF avoredoxin and...
Ngày tải lên: 07/03/2014, 02:20
... mobility of this region plays a key role in the mechanism of inhibition An increasing amount of structural data indicates that a ¯exible proteinase binding loop is not an uncommon feature of proteinase ... NMR studies of internal dynamics of serine proteinase protein inhibitors: binding region mobilities of intact and reactive-site hydrolized Cucurbita maxima trypsin inhibitor (CMTI)-II of the squash ... Recombinant chymotrypsin inhibitor 2: expression, kinetic analysis of inhibition with alpha-chymotrypsin and wild-type and mutant subtilisin BPN¢, and protein engineering to investigate inhibitory...
Ngày tải lên: 08/03/2014, 10:20
Báo cáo khoa học: A novel mass spectrometric approach to the analysis of hormonal peptides in extracts of mouse pancreatic islets ppt
... of the many compounds of the pancreatic islet extract (Fig 1a) The prominent signals in the spectrum originated from products of proinsulin Two insulin variants are expressed in mouse, insulin ... spectrometry of insulin J Am Chem Soc 104, 2948 36 Furuta, M., Carroll, R., Martin, S., Swift, H.H., Ravazzola, M., Orci, L & Steiner, D.F (1997) Incomplete processing of proinsulin to insulin accompanied ... affects the intracellular level of calcium and specific binding of C-peptide to plasma membrane has been observed During proinsulin conversion, insulin and C-peptides are produced in equimolar...
Ngày tải lên: 17/03/2014, 10:20
báo cáo hóa học:" Growth and structure analysis of tungsten oxide nanorods using environmental TEM" doc
... Figure 3b, were confirmed in Figure 3a Lattice dots were aligned in intervals of 0.38 nm in the longer directional axis of the nanorods and in intervals of 0.37 nm in the perpendicular direction ... not introduced in the environmental TEM The possibility of the evaporation of tungsten oxide, which existed originally or formed by heating in oxygen on the wire, was imagined However, the heating ... the top of the prominence (Figure 4b) These results indicate that a heaving bottom wire was not the origin of this prominence Furthermore, tungsten does not exist in vapor form, so the prominence...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo y học: "Gene expression analysis of nuclear factor I-A deficient mice indicates delayed brain maturation" pot
... information Genome Biology 2007, 8:R72 interactions Interestingly, a number of genes encoding myelin-related proteins exhibited significantly reduced expression in brains Moreover, agenesis of ... transcription factor binding [27] In addition to the use of such a matrix for NFI binding motifs, we also considered the phylogenetic conservation of these binding sites by comparing the mouse, rat, ... (RNA binding motif protein 3) 98967_at 2.59 0.0002 Fabp7 (fatty acid binding protein 7, brain) Provided is a list of genes significantly dysregulated more than 1.5-fold in Nfia-/- mouse brain relative...
Ngày tải lên: 14/08/2014, 07:21
Crystal structure analysis of pils, a type lvb pilin from salmonella typhi
... proteins into supersaturation The ‘salting in effect is explained by considering the protein as an ionic compound According to the Debye-Huckel theory for ionic solutions, an increase in the ... activity of the ions in the solution and increases the solubility of ionic compounds In ‘salting out’, precipitation is achieved by increasing the effective concentration of the protein, usually by ... the protein phase angle [Drenth, 1999] 1.8 MAP FITTING AND REFINEMENT 1.8.1 Fitting of maps Building and fitting of a structural model into an electron density map is performed using an interactive...
Ngày tải lên: 14/09/2015, 10:57
A study on the structure of the speech “ I have a dream” by Martin Luther King A systemic functional grammar analysis
... facilitating communication in all modes, not as an isolated area of study” (G Lock, 1996) As having the experience of drilling with a number of grammar exercises in schooling as well as being the ... concepts in FG Analyze the structure and meaning of the speech “ I have a dream” by Martin Luther King Suggest some further implications for language teaching and learning 1.3 Scope of the ... absorbed in this linguistic aspect, the stronger my notion of its applications in language teaching and learning becomes Hence, I decided to conduct a study on the structure and meaning of the...
Ngày tải lên: 10/08/2015, 19:48
ANALYSIS OF MICROBIAL COMMUNITY STRUCTURE AND IN SITU ACTIVITY OF NITRIFYING BIOFILMS
... bacterial community within an autotrophic nitrifying biofilm After reaching the steady-state condition, microprofiles of NH4+, NO2-, NO3-, and O2 in the biofilms were measured by use of microsensors, ... distribution of NH4+- and NO2 oxidizing bacteria in the corresponding biofilm determined by use of FISH technique (Fig.3A) We also analyzed the spatial distribution of ammonia- and nitrite-oxidizing bacteria ... microprofiles of NH4+, NO2-, and NO3- in an autotrophic nitrifying biofilm that was initially fed with enrichment culture of nitrifying bacteria (bioaugmented biofilm) This bioaugmented biofilm...
Ngày tải lên: 05/09/2013, 08:40
An Analysis of Domestic Water Demand Structure and Water Recycling in Beijing
... 2005, Tongxin press, Beijing, China (in Chinese) Beijing Municipal Bureau of Statistics (2005b) Beijing statistical yearbook 2005, China statistics press, Beijing, China (in Chinese) Beijing Water ... for cooking in Beijing (31%) is 1.3 times that of Tokyo (23%) It is assumed that water use for cooking in Beijing includes food washing, cooking, dish washing, and boiling water The use of water ... provided by the household Target water uses were food washing, cooking, dish washing, boiling water, face washing, tooth-brushing, using washing machine, showering, foot washing, toilet flushing,...
Ngày tải lên: 05/09/2013, 10:17
an economic analysis of financial structure
... Conflicts of Interest Arise? II • Auditing and Consulting in Accounting Firms – Auditors may be willing to skew their judgments and opinions to win consulting business – Auditors may be auditing information ... information • Financial Intermediation Asymmetric Information Conflicts of Interest • Conflicts of Interest is a type of moral hazard problem caused by economies of scope • Arise when an institution ... Conflicts of Interest Arise? I • Underwriting & Research in Investment Banking – Information produced by researching companies is used to underwrite the securities The bank is attempting to simultaneously...
Ngày tải lên: 05/01/2014, 16:56
02 three dimensional static and dynamic analysis of structure
... in Structural Analysis 7-3 General Theory Associated With Constraints 7-4 Floor Diaphragm Constraints 7-6 Rigid Constraints 7-11 Use of Constraints in Beam-Shell Analysis 7-12 Use of Constraints ... examination of the stresses and strains at the interface between two materials A typical interface for a two-dimensional continuum is shown in Figure 2.1 By definition, the displacements at the interface ... B Internal Virtual Work f d Figure 3.1 Method of Virtual Forces The principle of virtual forces states (in my words) if a set of infinitesimal external forces, R , in equilibrium with a set of...
Ngày tải lên: 12/01/2014, 21:45
Tài liệu Báo cáo khoa học: Analysis of proteins and peptides on a chromatographic timescale by electron-transfer dissociation MS ppt
... subheading and then select the Proteomics link) One of the proteins of interest to the Cell Migration Consortium is paxillin, a scaffolding protein involved in focal adhesions [9] Shown in Fig ... contains 21 proteins involved in mRNA binding The 50S, or L, subunit contains 34 proteins, binds to tRNA, and mediates peptidyl transfer Shown in Fig 4A is the base peak chromatogram from a 90 min, ... coverage indicated by dotted lines below the sequence), we are presently exploring chemistry that will allow us to introduce charge in regions of the protein that are devoid of basic residues Recording...
Ngày tải lên: 18/02/2014, 16:20
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
... the reduction of QA in DCMU-inhibited PSII is accounted for by the OJ phase Interestingly, this decrease of AJI was compensated for by the equivalent increase of AOJ, making the sum of contributions ... centers are inhibited for QB reduction by binding of a DCMU molecule in the QB pocket; the remaining PSII centers are unaffected However, a saturating concentration of DCMU would inhibit completely ... N,N,NÂ,NÂ-tetramethylp-phenylenediamine [23,24] The use of a nonsaturating concentration of DCMU, an inhibitor known to close the PSII reaction center by binding in the QB pocket and blocking electron transfer...
Ngày tải lên: 19/02/2014, 05:20
Tài liệu Báo cáo khoa học: Unusual metal specificity and structure of the group I ribozyme fromChlamydomonas reinhardtii23S rRNA pptx
... and the binding of a minimum of n Mg2+ ions leads to formation of the active complex, whereas binding of a minimum of m Mn2+ ions forms the inactive complex The sizes of the active and inactive ... 2638 binding site in P7 An obvious explanation for this result is that binding of GMP prevents an inhibitory Mn2+ from binding to this site Interestingly, 2Â-dGTP inhibits Pb2+ cleavage of the ... fraction of metal-binding sites in RNA [29] An alternative explanation for GMP-induced folding of the ribozyme in Mn2+ is that binding of the cosubstrate to its site induces a conformational change in...
Ngày tải lên: 19/02/2014, 07:20
Tài liệu Báo cáo khoa học: "Identifying Linguistic Structure in a Quantitative Analysis of Dialect Pronunciation" docx
... explaining 35% of the total amount of variance The main drawback of applying this technique in dialectometry is that it is not directly related to the aggregate analysis, but is rather an independent ... stress is indicated by a high vertical line before the syllable’s vowel Detailed explanation of Levensthein algorithm can be found in Heeringa (2004) 63 The results were analyzed using clustering (Figure ... sounds and that sound correspondences involve series of segments In future work some kind of a feature representation of segments should be included in the analysis in order to deal with the drawbacks...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo Y học: Functional analysis of DM64, an antimyotoxic protein with immunoglobulin-like structure from Didelphis marsupialis serum pdf
... glycoprotein with an isoelectric point of 4.5, comprising 15% carbohydrate Its molecular mass determined by MALDI-TOF MS was 63 659 Da, in agreement with the value of 63 kDa obtained by gel filtration in ... results on amino acid sequence and molecular mass of DM64, DM43 and a1B-glycoprotein, it Fig Inhibition of in vivo myotoxicity of myotoxins I or II by DM64 Groups of four mice were injected intramuscularly ... DM43 first three domains and are present in the inhibitory receptors of Fig Inhibition of in vitro cytotoxicity of myotoxins I or II by DM64 Cytotoxicity was analyzed in vitro using C2C12 skeletal...
Ngày tải lên: 21/02/2014, 01:21
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
... corresponding regions in b1IV and b2IV domains Our data also indicate that tissue laminins containing b1 chains may Ó FEBS 2002 Laminin b1 and b2 chains (Eur J Biochem 269) 439 Fig Immunogold staining ... domain IV, and a coiled-coil (cc) domain II,I in the short arm of these laminin chains [2] (Fig 1B) They are of similar size and share 41% identical residues including four out of ®ve cysteines ... 2002 Laminin b1 and b2 chains (Eur J Biochem 269) 437 Fig Immunohistochemical localization of laminin b2 chain in basement membranes of adult mouse tissues by antibodies against b2IV (A) In kidney,...
Ngày tải lên: 21/02/2014, 03:20
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
... the protein, we docked the ligand into the binding site with the software tool FLEXIDOCK within the software package SYBYL (e) We carried out another constrained MD over 100 ps in the binding pocket ... contribution of Arg4 to binding by analyzing the surface of the residues covered by the protein They also see an interaction of the C-terminal part RPAP with the surface of the antibody In the shorter ... conformation of the peptide as determined from the trNOE study fits perfectly into the binding cavity of the protein During constrained MD simulation of the peptide/ antibody complex in a water...
Ngày tải lên: 21/02/2014, 15:20
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