studies on the reverse micellar extraction of peroxidase from cruciferae vegetables of the bajio region of méxico
Equilibrium and kinetic studies on the liquid liquid extraction and stripping of l phenylalanine via reversed micelles
Ngày tải lên :
05/10/2015, 21:28
... influence of the ionic strength of the aqueous feed solution on the extraction rate by varying the salt (KCl) concentration They have found that increasing the concentration of KCl results in the reversed ... pool of the reversed micelles through the channel of the bud Fusion of the interfacial surfactant layer in the neck of the bud occurs, followed by the diffusion of the amino acid-containing reversed ... in the region of the shell of reversed micelles are expelled from the interface as the curvature of reversed micelles increases under certain conditions, hence, decreasing the size of the reversed...
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Tài liệu Báo cáo khoa học: Comparative studies on the functional roles of N- and C-terminal regions of molluskan and vertebrate troponin-I pdf
Ngày tải lên :
20/02/2014, 01:20
... amount of nonspecific precipitation of the TnI-fragment was also monitored by simultaneous centrifugation of the sample containing no actin-tropomyosin under the same conditions Reconstitution of ... of the troponin complex In molluskan muscles, the C-terminal region does not function and troponin regulates contraction only through the activation exerted by the N-terminal region of TnI Experimental ... in the absence of divalent cation Therefore, this interaction potentially participates in both the Ca2+-dependent activation of the contraction and the maintenance of structural integrity of the...
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Tài liệu Báo cáo Y học: Studies on the nonmevalonate pathway of terpene biosynthesis The role of 2C-methyl-D -erythritol 2,4-cyclodiphosphate in plants docx
Ngày tải lên :
22/02/2014, 07:20
... 4-phosphate converted into lipid-soluble material increased with the concentration of the profferred substrate; saturation was reached at a substrate concentration of less than mM The transformation of ... of the isomerization rate) of the methyl group of IPP and the (Z)-methyl group of DMAPP, and an even slower exchange (0.5% of the isomerization rate) of the olefinic hydrogen of DMAPP corresponding ... [26] for NMR data of the authentic compound) The absence of singlet signals for the carbon atoms 1, 2, 2-Me, and in the spectrum of the isolated material demonstrates that the proffered material...
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Case Studies on the Effectiveness of State Financial Incentives for Renewable Energy pdf
Ngày tải lên :
06/03/2014, 19:20
... some regions of the state On the other hand, only a small fraction of those claiming the tax credit take advantage of the low-interest loan Furthermore, the property-tax exemption complements the ... interconnection agreement The utility’s support of and cooperation with the Illinois program has smoothed the path to interconnection In fact, utilities in other parts of the state not offer ... Bolinger of the Lawrence Berkeley National Laboratory, Matthew Brown of the National Conference of State Legislatures, Jane Weissman of the Interstate Renewable Energy Council, Frederick Beck of the...
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Báo cáo khoa học: Studies on the role of the receptor protein motifs possibly involved in electrostatic interactions on the dopamine D1 and D2 receptor oligomerization pdf
Ngày tải lên :
07/03/2014, 03:20
... residues in the C-tail of the D1 receptor The efficiency of energy transfer was reduced to 0.8% A possible interpretation of the data suggests that the indicated basic region of ic3 of the D2 receptor ... acidic region of the C-tail of the D1 receptor might be involved in the interactions between the two dopamine receptors In addition, the subcellular localization of D1–CFP, D2–YFP and all the mutants ... and D2 is the effect of impaired heterodimerization of the dopamine receptors Moreover, confocal microscopy experiments revealed that modification of the Arg-rich region in the ic3 of the D2 receptor...
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Báo cáo khoa học: Biosynthesis of isoprenoids – studies on the mechanism of 2C-methyl-D-erythritol-4-phosphate synthase pdf
Ngày tải lên :
16/03/2014, 06:20
... above, these initial conditions were rapidly conducive to steady conditions where and were present in very similar concentrations, and the rates of the forward reaction (conversion of to 3) and the ... [29,30] The formation of from the linear deoxyketose-type substrate has been shown to proceed by cleavage of the bond between C-3 and C-4 and the generation of a novel bond between C-1 and C-3 of the ... 4-phosphate [28] The reductive reaction step has been shown to involve the transfer of a hydride ion from the pro-S position at C-4 of NADPH to the RE position of C-1 of reaction intermediate...
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Báo cáo khoa học: Isothermal unfolding studies on the apo and holo forms of Plasmodium falciparum acyl carrier protein Role of the 4¢-phosphopantetheine group in the stability of the holo form of Plasmodium falciparum acyl carrier protein docx
Ngày tải lên :
16/03/2014, 10:20
... between the two proteins (as indicated by the values of DGwater, Cm and Tg) hence arise from the changes in the surface of the protein because of the interactions of the cofactor with the protein ... contrasting reports about the interaction of the 4Â-PP group with the polypeptide backbone and its effect on the stability of holo-ACP The average major conformation of the holo-ACP NMR structure ... apparent from the solution denaturation studies that the holo form of the protein has greater stability than the apo form The differences in the unfolding thermodynamic parameters of the two forms...
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Báo cáo khoa học: Studies on the regulatory properties of the pterin cofactor and dopamine bound at the active site of human phenylalanine hydroxylase pptx
Ngày tải lên :
17/03/2014, 09:20
... dene the position, orientation, conformation and hydrogen bonding network of the pterin cofactor in the three structures Superpositions of the binary and ternary complexes of hPAH onto the crystal ... plasmon resonance (SPR) response) of the immobilized enzyme [2527] Approximately 25 ngặmm)2 (0.48 pmol ể FEBS 2003 Fig The eect of pterin cofactor on the global conformational transition of tetrameric ... decrease of phosphorylation rate seen at the concentration x of H4biopterin vo is the rate in the absence of H4biopterin and vmin is the rate at very high concentrations of H4biopterin The observed...
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STUDIES ON THE ECOLOGY AND CONSERVATION OF BUTTERFLIES IN EUROPE: Vol. 1: General Concepts and Case Studies pptx
Ngày tải lên :
23/03/2014, 01:20
... intentionally left blank Studies on the Ecology and Conservation of Butterflies in Europe Studies on the Ecology and Conservation of Butterflies in Europe Vol 1: General Concepts and Case Studies ... Chain Monte Carlo model of the population dynamics in the two populations in relation to the spatial configuration of nectar and host-plant patches showed that the spatial configuration of larval ... variation, suggesting a contribution of directional selection to the differentiation among populations Geographic gradients are of special interest for the study of climatic adaptation because the...
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Báo cáo khoa học: NMR studies on the interaction of sugars with the C-terminal domain of an R-type lectin from the earthworm Lumbricus terrestris pot
Ngày tải lên :
23/03/2014, 04:21
... titration experiments From the theoretical calculations of Kd for the ratios of sugar-free to sugarbound peak intensities as a function of sugar concentration, the protein concentration was lowered ... that the chemical exchange of the a sugar-binding site upon the addition of lactose or b-Me-Gal was in the slow exchange regime The STD effect for sugar arose from the contribution of both the ... second signal at [sugar] ⁄ [EW29Ch] = 3–4 and the resonance signal of the side-chain NH of Trp33 appeared at the position of the second signal corresponding to the bound state (Fig 3B) Because the...
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Báo cáo Y học: Structural studies on the core and the O-polysaccharide repeating unit of Pseudomonas aeruginosa immunotype 1 lipopolysaccharide pot
Ngày tải lên :
24/03/2014, 03:21
... assigned based on the coupling constant values and those for amino sugars by correlation of the protons at the nitrogen-bearing carbons to the corresponding carbons The configurations of the glycosidic ... reducing end of the biological repeating unit, has the b configuration when linking the O-polysaccharide to the core but the a configuration when connecting the repeating units to each other in the O-polysaccharide ... blocks the attachment of the fi 3-linked Rha, which is the acceptor of the O-polysaccharide A competition of the corresponding rhamnosyl transferases may provide a mechanism for regulation of the content...
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amsterdam university press from the sword to the plough three studies on the earliest romanisation of northern gaul jun 1996
Ngày tải lên :
11/06/2014, 13:59
... comparison to the sandy regions of Drenthe in the northern Netherlands the number of excavations was small and the extent of the excavated areas restricted.25 The rescue excavations to the south of ... examples and the Bronze Age and Iron Age of the MDS region With one exception, the argumentation tries to stay clear of a reliance on ethnographic examples .The exception concerns the assumption of a ... widened to include the social and ideational dimensions of the landscape and their long-term transformations.55 The sandy region of the southern Netherlands functioned as a kind of laboratory in...
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Báo cáo khoa học: "In vitro studies on the modification of low-dose hyper-radiosensitivity in prostate cancer cells by incubation with genistein and estradiol" pot
Ngày tải lên :
09/08/2014, 09:22
... proof has not been published yet Our data support an independence of the HRS in regard to ER- or p53/p21-expression Effects of the combination of irradiation and hormone incubation In combination ... irradiation and genistein incubation (5–30 μM, 24 h before irradiation – 10 d after irradiation) on clonogenic survival of PC-3 cells, too [24] Only a concentration of 15 μM genistein reduced clonogenic ... (figure 6) In contrast, incubation with high hormone concentrations (10 μM) abolished the increase in p21 expression Irradiation increases fraction of cells in G2/M in PC-3 Analysis of cell cycle...
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Báo cáo khoa học: "Comparative studies on the pathogenicity and tissue distribution of three virulence variants of classical swine fever virus, two field isolates and one vaccine strain, with special regard to immunohistochemical investigations" ppt
Ngày tải lên :
12/08/2014, 18:22
... in the cytoplasm of the epithelial (Figure 8), mononuclear and reticular cells When using the probe on the sections of the uninfected animals or the BHV-5 specific probe on the sections of the ... detected the virus from the tonsils and lymph nodes of all infected animals, with the exception of the tonsil samples of one pig (Table 1) The virus was also re-isolated from the spleen, kidneys, ... hybridisation studies, participated in the evaluation and summarizing of the findings and wrote the draft of the manuscript FK applied for funding of the project, participated in the design of the study...
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Báo cáo y học: " The limitations of observational studies on the treatment of severe sepsis" ppsx
Ngày tải lên :
12/08/2014, 19:21
... Other crucial weaknesses of Messori and colleagues’ survey lie in its observational nature and the lack of any standardisation of definitions or outcomes Controlled studies usually indicate the ... patients from hospital, which varies among countries Overview of studies Messori and colleagues also report the results of a metaanalysis of four studies of AT III in sepsis [5–8] Conclusions are ... reference to the confidence intervals, that there is no difference between the studies or that their observational study has a very similar result to the other studies cited In the same way,...
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