stable metastable and unstable ions
Báo cáo y học: "Eotaxin-1 in exhaled breath condensate of stable and unstable asthma patients" pdf
... with unstable ICS-treated asthma and steroid-naïve asthma and between eotaxin-1 and serum ECP in the group of ICS-treated stable asthma (Figure 3, Figure 4) Statistically significant correlations ... (on the basis of symptoms and other recognized tests, such as reversibility test or /and bronchial provocation tests) The patients with unstable ICS-treated asthma and stable ICS-treated asthma ... Page of 10 exacerbations, and no use of systemic steroids in the previous 12 months The patients with unstable asthma had required one or more hospitalizations for asthma and more than three...
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DSpace at VNU: Microscopic calculation of the interaction cross section for stable and unstable nuclei based on the nonrelativistic nucleon-nucleon t matrix
... interaction cross sections induced by stable and unstable He, Li, C, and O isotopes on 12C target By using the well tested nuclear g.s densities for the stable 4He, 12C, and 16O isotopes, we found ... combinations of stable as well as unstable projectiles on different targets At these bombarding energies our knowledge of the empirical optical potential is scarce, especially for unstable systems, and ... Franey and Love [13] The folded optical potentials and inelastic form factors are used further as inputs for the standard optical model and DWIA calculations of total reaction cross sections and...
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Tài liệu Báo cáo khoa học: Insights into the interaction of human arginase II with substrate and manganese ions by site-directed mutagenesis and kinetic studies Alteration of substrate specificity by replacement of Asn149 with Asp docx
... S-(2-boronoethyl)-l-cysteine (BEC) His120 and His145, and the corresponding His101 and His126 in arginase I, were described among the ligands for coordination of Mn2+A and Mn2+B, respectively [9,24] However, ... arginase I and Mn2+B in arginase II Because ligands to the metal ions are strictly conserved in these enzymes, the difference would reside in the length of the ligand– metal separations In this ... experimental and computational methods, will be initiated soon in our laboratory General conclusions In addition to substantiate the participation of His120 and His145 as ligands for the manganese ions...
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Báo cáo khoa học: Systematic quantification of complex metabolic flux networks using stable isotopes and mass spectrometry pptx
... isotopomer fractions of the corresponding metabolite pools, (iii) the equations relating the net and exchange fluxes to the forward and reverse fluxes of the network reactions, and (iv) the equations describing ... corresponding reactions in the Appendix) Group 1: the net fluxes of reaction 10 and combined reactions 23–24 and 25–26 Group 2: the net fluxes of reactions 38, 39, 40, 41, 42, 18 and 28 Both groups ... ratios at PEP and H4D nodes and the Fig The estimated net flux distribution exchange fluxes of all reversible reactions in the network Apart from reactions 3, 11, 15–19, 27, 29–33, 36–44 and the biomass...
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Báo cáo khoa học: Variants of b2-microglobulin cleaved at lysine-58 retain the main conformational features of the native protein but are more conformationally heterogeneous and unstable at physiological temperature potx
... nucleated cells It has become clear that this compact, seven b-stranded protein is conformationally unstable after cleavages and truncations, and that even intact b2m may, to a minor extent, adopt an ... fragments 56–58 and 59–64, i.e at the opened loop D–E, and at the start of strand E [15] Interestingly, similar deviations are also found in fragment 26–35, i.e at the end of strand B and at loop ... vitro requires nonphysiological conditions with respect to pH and ionic strength, the presence of divalent metal ions, or some of the truncations ⁄ deletions that have been reported to be present...
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Báo cáo khoa học: Effects of sphingomyelin, cholesterol and zinc ions on the binding, insertion and aggregation of the amyloid Ab1)40 peptide in solid-supported lipid bilayers ppt
... important for raft membranedependent aggregation and neurotoxic action, in particular the presence of sphingomyelin, cholesterol and zinc ions Results and Discussion In order to characterize the interaction ... layer before and after binding of peptide and subsequent aggregation, and of the layer composed of peptide (or a portion of the peptide) that extends beyond the lipid surface Both p- and s-polarized ... b-sheet, and even smaller amounts of a-helix [41] We therefore assume that the peptide layer on the DOPC and SM membrane surface consists of such a mixture of oligomers and secondary conformations...
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Báo cáo khoa học: Disorder–order transition of k CII promoted by low concentrations of guanidine hydrochloride suggests a stable core and a flexible C-terminus doc
... 360 nm in a spectrofluorimeter (Hitachi F-3000) Wavelength and bandpass were set at 360 and 2.5 nm, respectively, for both excitation and emission The protein sample within the sample chamber ... measurements, both at far- and near-UV regions, provide excellent means of studying structural and conformational features of proteins The effect of low concentrations of GdnHCl on the secondary ... gel filtration The positions of CII alone and in the presence of 0.1 M GdnHCl are shown in this plot, along with protein molecular weight standards Clearly, both these positions indicate tetrameric...
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The influence of NO 3 −, CH3COO−, and cl− ions and the morphology of calcium hydroxyapatite crystals
... obtained Different sizes and shapes of the crystals can be explained by different interactions of hydroxyapatite with the anions of the initial salts: adsorption of acetate anions on the HA surface, ... chloride ions for the hydroxyl groups of HA, and “inertness” of nitrate anions The thermal treatment of the samples at 500–1100°C for h led to the formation of faceted crystallites and an increase ... groups (up to wt %) [3] The presence of the absorption bands of nitrate and acetate groups can be explained by adsorption of the corresponding ions on the surface of HA crystals Further annealing...
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Báo cáo y học: " Surfactant disaturated-phosphatidylcholine kinetics in acute respiratory distress syndrome by stable isotopes and a two compartment model" potx
... tissue and alveoli (F12 and F21) and de novo synthesis (P) of disaturated-phosphatidylcholine were also smaller than in controls Fractional rates of transfer between tissue and airways (k21 and ... prematurity, lung malformations and infections [18,32-36] However there are aspects of the present work, both conceptual and technical, that warrant special comment Basic assumptions The design of the ... http://respiratory-research.com/content/8/1/13 Authors' contributions PEC participated to the design and coordination of the study and drafted the manuscript GMT, MC, CC performed the data modeling and analysis CO and AV were responsible...
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THE ECG IN ACUTE MYOCARDIAL INFARCTION AND UNSTABLE ANGINA
... Infarction and Unstable Angina: Diagnosis and Risk Stratification 2002 ISBN 1-4020-7214-7 Previous volumes are still available THE ECG IN ACUTE MYOCARDIAL INFARCTION AND UNSTABLE ANGINA Diagnosis and ... MYOCARDIAL INFARCTION AND UNSTABLE ANGINA Developments in Cardiovascular Medicine 232 A Bayés de Luna, F Furlanello, B.J Maron and D.P Zipes (eds.): ISBN: 0-7923-6337-X Arrhythmias and Sudden Death ... Killip class, prior MI and prior coronary artery bypass grafting 10 THE ECG IN ACUTE MYOCARDIAL INFARCTION AND UNSTABLE ANGINA SIZE OF AREA AT RISK, SEVERITY OF ISCHEMIA, AND SITE OF CORONARY OCCLUSION...
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Investigation on K2Ti4O9 Whisker Absorbent and Applications in Heavy Metal Ions Removal
... Water and Environment Technology, Vol.5, No.1, 2007 RESULTS AND DISCUSSION Absorption behavior of PTW Fig shows the relationship between the quantity of PTW and the adsorption efficiency of Pb2+ and ... crystal [5] So that the metal ions could rather easily penetrate into the crystal layer and substitute K+ ions to form stable metallic/potassium tetratitanates The metal ions would then be removed ... the ion size and the separation coefficient of PTW on these two ions [3] - 14 - Journal of Water and Environment Technology, Vol.5, No.1, 2007 The effect of time on absorption of Pb2+ and Cd2+ on...
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Characterization of the Carbon Stable Isotope Ratio and Fatty Acid Structure of Zostera japonica in Coastal Areas
... Sampling sites for seagrasses Table Sampling conditions and cooperating institutions during sampling Table - Sampling conditions and cooperating institutions during sampling Site Z japonica Code Sampling ... 18:2n6c and LCFAs were contained in greater amounts in the roots and rhizomes than in the leaves and stems, and 18:3n3 was contained in lesser amounts in the roots and rhizomes than in the leaves and ... of 18:2n6c, 18:3n3 and LCFAs in the leaves and stems was compared with that in the roots and rhizomes The roots and rhizomes contain more 18:2n6 and LCFAs than the leaves and stems (n = 15, p...
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Tài liệu Báo cáo khoa học: Homologous expression of the nrdF gene of Corynebacterium ammoniagenes strain ATCC 6872 generates a manganese-metallocofactor (R2F) and a stable tyrosyl radical (Y•) involved in ribonucleotide reduction ppt
... pitch standard (g = 2.0028) A solution of 10 mm CuSO4 in m NaClO4 and 10 mm HCl was used as the standard for spin integration Further EPR conditions are provided in the legend to Fig Q-band EPR ... procedure and some applications Proc Natl Acad Sci USA 76, 4350–4354 Kinter M & Sherman NE (2000) Protein Sequencing and Identification Using Tandem Mass Spectrometry Chichester, England Pal BC, ... method using a Fe standard (Merck, Darmstadt, Germany) 4860 and manganese by oxidation to MnO4) as described previously [26] Fractions from ammonium sulfate precipitation and UNOTM sphere Q chromatography...
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Tài liệu Báo cáo khoa học: The role of the ESSS protein in the assembly of a functional and stable mammalian mitochondrial complex I (NADH-ubiquinone oxidoreductase) pptx
... Immunochemical assays and antibodies Mitochondrial protein samples (between 50 and 100 lg) were separated by SDS/PAGE and BN/PAGE and transferred to Immobilon-P (0.2 l) membranes Anti-HA and anti-porin ... V79-G35 They were amplified by RT-PCR using primers from the 5¢- and 3¢-untranslated regions and sequenced directly in both directions Each of the mutants was found to have a premature chain-termination ... ESSS, and two other complex I subunits (MWFE and the PSST) in the mitochondria As shown in Fig 3A, the mutant mitochondrial extract has no ESSS-HA (as expected), and no signal for the MWFE and...
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Đề tài "Weyl group multiple Dirichlet series III: Eisenstein series and twisted unstable Ar " doc
... Eisenstein series and twisted unstable Ar By B Brubaker, D Bump, S Friedberg, and J Hoffstein Abstract Weyl group multiple Dirichlet series were associated with a root system Φ and a number field ... functional equations are deduced from the functional equations of rank one Eisenstein series In the approach of [3] and [4], the bookkeeping is very manageable, and these foundations seem good ... for Conjectures and Definition If each aij with i = is equal to one of the two terms above it (ai−1,j−1 or ai−1,j ), then the Gelfand-Tsetlin pattern T is called stable A stable Gelfand-Tsetlin pattern...
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Báo cáo khoa học: Knock-out of the chloroplast-encoded PSI-J subunit of photosystem I in Nicotiana tabacum PSI-J is required for efficient electron transfer and stable accumulation of photosystem I pot
... 1.0, 0.5, and 0.25 lg Chl of the wild-type and 1.0–0.5 lg Chl of the mutant was separated by SDS ⁄ PAGE, blotted and analyzed with the antibodies indicated Wild-type (WT) and DpsaJ dilutions were ... and PSI, and a slow phase corresponding to inactive PSI and a contribution from absorption of oxidized Pc at 834 nm [25–27] For analysis of wild-type and mutants lacking PSI-J, Pc concentrations ... (as a loading control the left hand side shows the stained and the right hand side the actual Northern blot) (D) Immunoblot analysis of PSI complexes from wild-type and DpsaJ plants The panel on...
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Highly efficient and stable photoluminescence from silicon nanowires coated with sic
... energy band gap, a high breakdown electric ®eld, and a high saturation electron drift velocity Furthermore, it is durable at high temperature and possesses high thermal conductivity and chemical ... materials in order to advance its applications in photophysics and device physics SiNW were synthesized by thermal evaporation from a mixture of silicon and silicon dioxide powder [14,15] The SiNWs ... layer was replaced by a thin layer of stable, wide band gap semiconductor This new shell would allow the high transmission of both the excitation light and the PL emission with much less loss...
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Báo cáo khoa học: R120G aB-crystallin promotes the unfolding of reduced a-lactalbumin and is inherently unstable ppt
... mutations on the structural and functional aspects of aA-crystallin and aB-crystallin [22–27] The general conclusions from these studies were that both mutants have altered secondary, tertiary and ... intrinsically unstable and readily unfolds with time From the large number of additional cross-peaks observed in the TOCSY spectra of R120G aB-crystallin and their chemical shifts, extensive regions of ... Aromatic and NH region of the 1D 1H-NMR spectra of reduced apo-a-lactalbumin at 37 °C and pH 7.0 in (A) the absence and (B) the presence of a : subunit molar ratio of wild-type aB-crystallin and (C)...
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Báo cáo khoa học: Metabolism of N-methyl-amide by cytochrome P450s Formation and characterization of highly stable carbinol-amide intermediate pdf
... and characterization of stable carbinol-amide L Perrin et al Table Amounts of metabolites M1 and M2 recovered after 10 incubations of 100 lM tentoxin using lM of rat microsomal preparations and ... N,N-dimethylethanamine (a) and N,N-dimethylacetamide (d), C-hydroxylated compounds are more stable by 43 and 63 kcalỈmol)1, respectively As the thermodynamics of the reactions in Equations (1) and (2) does ... separated and purified metabolites M1 and M2 led to a single peak corresponding to M2 that fits with the HPLC retention time and MS cleavage of Ala1-TTX; and (c) the relative amounts of M1 and M2...
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