characterization and division of property on dissolution
Báo cáo hóa học: " Synthesis, Characterization, and Microwave Absorption Property of the SnO2 Nanowire/Paraffin Composites" doc
... moment contributions of each constituent and their relative volume concentration [23] Among EMTs, the Bruggeman (BG) formula is the most commonly used In this work, the complex permittivity e of SnO2 ... found on the substrate The powder samples were characterized by high resolution transmission electron microscopy (TEM) and selected-area electron diffraction (SAED) on a JEM-2010 transmission electron ... that with an increase of CNT content in composite, the electric field of short-distance resonance multipoles leads to dominance of reflection property rather than absorption property They reported...
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Báo cáo y học: "Characterization and modeling of the Haemophilus influenzae core and supragenomes based on the complete genomic sequences of Rd and 12 clinical nontypeable strain" potx
... have demonstrated that the NTHi form biofilms on the respiratory mucosa of humans and other mammals and it has been hypothesized that this contributes to the chronicity of these infections [1,2] ... observations that the NTHi form biofilms during chronic infections and that these infections are often polyclonal suggests that multiple unique strains are co-localized within an environment demonstrated ... distributed and unique genes and most of these non-core genes display typical H influenzae codon usage reports clinical strains that shows different combinations of possession and loss of the lic2C...
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On the performance characterization and evaluation of RNA structure prediction algorithms for high performance systems
... number of non-pairing nucleotides on one side of a secondary structure is different from the number of nucleotides on the other side of the secondary structure Bulge is a special type of internal ... algorithms and therefore the quality of the result depends strongly on the validity of our knowledge about the values of the energetic parameters One of the reasons for a deviation of the minimumenergy ... related to the secondary structures and are highly dependent on the accurate and quick prediction of the secondary Chapter Introduction structures Therefore, our work on predicting secondary structure...
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Characterization and deactivation of sulfided red mud used as hydrogenation catalyst
... hydrogenation of those compounds accounts for more than 75% of the total hydrogen consumption Fig shows the evolution of the conversion of the different compounds with reaction time The evolution of ... sharp decline of conversion in the initial deactivation period, and anthracene showed not only a higher conversion, but also a slower decrease of conversion during the full time of reaction If the ... of a catalyst surface layer to a depth of about I/zm, and supplies information on the distribution of certain elements, providing maps in which the brightness of every pixel depends on the concentration...
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Tài liệu Báo cáo khoa học: Preliminary molecular characterization and crystallization of mitochondrial respiratory complex II from porcine heart ppt
... FP band is not very clear in the agarose gel, and the longest band was used to run another PCR reaction for amplification Experimental procedures Extraction, purification and crystallization of ... the mitochondrial matrix as succinate dehydrogenase Succinate oxidation is coupled to reduction of ubiquinone to ubiquinol at the mitochondrial inner membrane as one part of the electron transport ... provide a detailed report of the preparation, gene sequencing, N-terminal sequencing and crystallization of mitochondrial complex II from porcine heart Characterization of respiratory complex II...
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Tài liệu Báo cáo khoa học: Physico-chemical characterization and synthesis of neuronally active a-conotoxins docx
... Many of the neuronally active a-conotoxins show a high conservation of the local backbone conformation although the surfaces are unique [3,25a] The common Post-translational modifications of neuronally ... recognition of these PTMs, if present, in the course of characterization of native a-conotoxins Analysis of neuronally active a-conotoxins using HPLC and MS, including identification of post-translational ... identification Although there are standard procedures for reduction and alkylation, their application to conopeptide analysis and characterization is by no means trivial, and often optimization on a...
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Tài liệu Báo cáo khoa học: Characterization and mode of action of an exopolygalacturonase from the hyperthermophilic bacterium Thermotoga maritima doc
... formation of a d-galacturonate peak could be observed directly after addition of PelB, which is the result of its established galacturonase activity Only when high concentrations of PelB were used on ... activity zone of the cytoplasmic fraction (not shown) No activity on PGA was observed when the corresponding medium fraction was concentrated and similarly analysed Mode of action of PelB To ... 6.4) PGA and xylogalacturonan (modied hairy regions) were used at concentrations of 0.25% (w v), and (un)saturated oligoGalpA and methylated oligoGalpA were used at an end concentration of or 2.5...
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Tài liệu Báo cáo Y học: Characterization and regulation of yeast Ca2+-dependent phosphatidylethanolamine-phospholipase D activity docx
... pattern and extent of stimulation of the membrane and soluble yeast PtdEtnPLD activity by Ca2+ and their inhibition by other divalent cations is highly comparable The mechanism of action of Ca2+ ions ... an initial activation phase at concentrations of 10)6 to 10)5 M and a Membrane-bound None Ca2+ Mg2+ Co2+ Ba2+ Mn2+ Zn2+ Fig Effect of increasing Ca2+ concentration on membrane and cytosolic PtdEtn-PLD ... Triton X-100 was added The final concentration of Triton X-100 in assay reactions containing C6-NBD-PtdEtn was 0.25 mM The Ó FEBS 2002 hydrolysis of C6-NBD-PtdEtn was monitored by the production of...
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Characterization and Authentication of Olive and Other Vegetable Oils pptx
... Optimization of the Separation Conditions 7.3.2 Construction of Data Matrices and LDA Models 7.4 Classification Using Sterol Profiles Established by UPLC-MS 7.4.1 Construction of Data ... 9.4.2 Construction of Data Matrices and MLR Models 9.5 Prediction of OFA Concentration in VOOs Using FTIR and MLR 9.5.1 Description of FTIR Spectra and Construction ... Classification Using Phenolic Compound Profiles Obtained by CEC 8.1.1 Construction of the Monolithic Columns and Optimization of the Separation Conditions 8.1.2 Characterization...
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Báo cáo khoa học: Enzymatic toxins from snake venom: structural characterization and mechanism of catalysis ppt
... facilitate identification of the key substrates of individual SVMPs and enable a better understanding of the molecular mechanism of action of P-III SVMPs Functional role of the non-enzymatic proteins ... catalytic base for abstraction of the a-amino proton during substrate oxidation Inspection of the level of conservation of this residue shows that it is structurally conserved in all the enzymes ... was observed In addition, the alpha carbon atom of the ligand and the N5 of FAD are positioned on the mirror plane, suggesting that a ‘catalytic axis’ of oxidation is conserved between the two...
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Báo cáo khoa học: Characterization and regulation of a bacterial sugar phosphatase of the haloalkanoate dehalogenase ppt
... codon 10 of araL and codon of E coli lacZ The araL¢-¢lacZ translational fusion is under the control of the strong promoter (Para) of the araABDLMNPQ-abfA operon (Fig 6B) However, expression from ... the control of the operon promoter, which is a very strong promoter, and basal expression in the absence of inducer is always present [14] The second level of regulation within the operon that ... expression of the operon is constitutive In a previous study [14], the addition of arabinose to an early-exponentially growing culture of this mutant resulted in immediate cessation of growth...
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Báo cáo Y học: Synthesis, characterization and application of two nucleoside triphosphate analogues, GTPcNH2 and GTPcF pdf
... MgCl2 and mM dithioerythritol Note the splitting of the b-phosphate resonance into two states for RasÆGTPcNH2ÆMg2+ (bottom spectrum) and the stabilization of one conformation upon complexation with ... complexation (state A) and with saturated magnesium complexation (state B) (see Tables and 2) Thus, the only parameters to be adjusted were the relative populations of Table J-Coupling constants of ... appearance of three discrete resonance lines with similar intensity confirms the uniformity and the conformational identity of the substrate The observed mean half width of, e.g 4.7 Hz for the c-resonance...
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Báo cáo khoa học: Mycobacterium tuberculosis ClpC1 Characterization and role of the N-terminal domain in its function ppt
... Fig Construction and purification of M tuberculosis ClpC1 and its deletion mutants (A) SDS ⁄ PAGE of purified full-length ClpC1 and deletion mutants, ClpC1D1 and ClpC1D2 (B) Full-length ClpC1 and ... under the standard conditions The ATPase activity of ClpC1, ClpC1D1 and ClpC1D2 was inhibited by ADP in a concentration dependent manner (Fig 4D) The effect of divalent metal ions and salt on the ... regulation of virulence genes, and cell adhesion and invasion in the pathogen Listeria monocytogenes [24–26] It has recently been demonstrated that partial disruption of heat-shock regulation in...
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Báo cáo khoa học: Cloning, characterization and localization of a novel basic peroxidase gene from Catharanthus roseus potx
... the plants and kept on ⁄ 10 MS media A and 3¢-UTR regions PCR amplification consisted of lL short-term exposure (2 min) of leaves under a UV lamp of cDNA template in a reaction volume of 50 lL, ... using genomic DNA of C roseus Primer pairs were: #GSP-4 and #PFLF1 (lanes and 2); #GSP-2 and #GSP-4 (lanes and 4); #GSP-2 and #PFLR-1 (lanes and 6); and #PFLF-1 and #PFLR-1 (lanes and 8) (B) Schematic ... Schematic organization of the CrPrx gene The asterisk indicates the position of the codon encoding the first amino acid of the mature protein, and the regions of the distal and proximal histidines...
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RCUK Policy and Code of Conduct on the Governance of Good Research Conduct pptx
... creation of false data or other aspects of research, including documentation and par ticipant consent Falsification This includes the inappropriate manipulation and/ or selection of data, imagery and/ or ... only in the conduct of research but in publication of materials, preparation of conference papers, etc and the conduct of peer review Ethical approval procedures • ROs should have clear and full ... RCUK Code of Conduct and those of other relevant professional bodies; • be drawn to the attention of all staff on appointment; • be easily available at all times in guidance manuals and on websites...
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Production, purification, characterization, and applications of lipases pot
... coli (Reetz and Jaeger, 1998) Construction of appropriate His-tagged fusion proteins permitted overexpression, secretion, and one-step purification of lipase from culture supernatants of the homologous ... Sepharose gel Adsorption of the lipase on the gel depended on the salt concentration and the ionic strength of the mobile phase (Diogo et al., 1999) A mobile phase of 20% (wt/ vol) ammonium sulfate in ... lipases of G candidum and Yarrowia lipolytica, respectively The domain of sequence conservation occurs in the N-terminal half of the protein For the resolution of isoforms via heterologous expression,...
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Báo cáo khoa học: Analysis of the region for receptor binding and triggering of oligomerization on Bacillus thuringiensis Cry1Aa toxin potx
... contribution of contact and non-contact residues of antibody in the affinity of binding to antigen The interaction of mutant D1.3 antibodies with lysozyme J Mol Biol 234, 958–964 Gomez I, Miranda-Rios ... region is located on or around (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 ... modification of mutant toxins To identify the binding of DFs after purification, cysteine mutant toxins were subjected to SDS-PAGE under reducing and nonreducing conditions The reducing condition was...
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Báo cáo khoa học: Helicobacter pylori single-stranded DNA binding protein – functional characterization and modulation of H. pylori DnaB helicase activity pptx
... the position of the ssDNA in the absence of SSB protein and the subsequent retardation of the band with an increasing amount of SSB is also shown *Position of the double-stranded control DNA ... fmol of (c-32P)ATP and the required amount of DnaB (50 ng), along with pmol of M13mp18 ssDNA and various concentrations of SSB The reaction mixtures were incubated at 37 °C for 30 and the reactions ... Effect of HpSSB on ATPase activity of HpDnaB in the presence of ssDNA The release of radiolabeled Pi from (c-32P)ATP was monitored in the absence and presence of different concentrations of HpSSB...
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Báo cáo khoa học: Purification, characterization and biosynthesis of parabutoxin 3, a component of Parabuthus transvaalicus venom pptx
... records as a function of external rPBTx3 concentration Each point represents the mean ± SD of three individual determinations (D) Effect of rPBTx3 on activation and inactivation kinetics of Kv1.3 channels ... formation of the disulfide pairing [44] and is also conserved throughout these sequences of all the members of subfamily of a-KTx, including PBTx3 Because of these similarities and conservation of ... current almost completely (Fig 4G) and this effect was reversible upon washout After equilibration of the channels and application of the same concentration of commercially available rAgTx2, quantitatively...
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Preparation, characterization and application of heterogeneous solid base catalyst for biodiesel production from soybean oil
... dissolvable in methanol 3.3 Influence of the transesterification reaction conditions The transesterification process consists of a sequence of three consecutive reversible reactions where the triglyceride ... problem of appropriate determination of sulfur is important both from environmental and analytical aspects, because some specifications order to the compulsion decrease of the concentration of sulfur ... transesterification reaction Based on these results, the optimal preparation conditions of the catalyst are load KOH, support Nd2O3, loading amount 30% and calcination temperature of 600 C Therefore,...
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