bài 18 tuần hoàn
VIBRATION AND SHOCK
... 1.16 or a vector of 1.16 at 180 ° By taking the square root of 0.752 plus 1.162, we get a resultant of 1.38 oz-in Now to get the proper angle: ^4 = 180 ° - tan-1 ^ - 180 ° - 32.8° - 147.2° So we ... Another imbalance of oz-in exists at station 3, located in from the right end, and at an angle of 180 ° from the same reference We want to statically and dynamically balance the rotor, by means of ... 90° The imbalance at station 3, when sensed at station 1, is X 5A2 = % = 0.83 or a vector 0.83 at 180 ° By taking the square root of 2.252 plus 0.832, we find that we must remove 2.41 oz-in Now at...
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Bài giảng Chapter 17 Free Energy and Thermodynamics
... H2O(l) HCl(g) HI(g) I2(g) NH3(g) NO2(g) O2(g) SO2(g) -1669.8 +30.71 -393.5 -635.5 -156.1 -822.16 -187 .8 -285.83 -92.30 +25.94 +62.25 -46.19 +33.84 -296.9 Entropy • entropy is a thermodynamic function ... highest entropy also has the greatest dispersal of energy Tro, Chemistry: A Molecular Approach 18 Changes in Entropy, ∆S • entropy change is favorable when the result is a more • random system ... H2O(g) HF(g) HBr(g) I2(s) N2(g) NO(g) Na(s) S(s) 28.3 152.3 2.43 197.9 41.4 33.30 27.15 130.58 188 .83 173.51 198.49 116.73 191.50 210.62 51.45 31.88 Al2O3(s) Br2(g) C(graphite) CO2(g) CaO(s)...
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Tài liệu Báo cáo khoa học: Crystal structure of the cambialistic superoxide dismutase from Aeropyrum pernix K1 – insights into the enzyme mechanism and stability pdf
... 16.6 (3.6) 18. 3 36.13–1.57 (1.61–1.57) 98731 (6589) 19.8 (33.7) ⁄ 23.6 (35.9) 0.008 1.135 6984 29 630 31.86–1.35 (1.38–1.35) 152991 (10838) 18. 8 (23.9) ⁄ 20.3 (25.4) 0.008 1.170 6823 18 734 49.75–1.48 ... Crystal structure of SOD from A pernix K1 17 18 19 20 21 22 23 24 25 26 27 608 T Nakamura et al philic archaeon, Aeropyrum pernix J Biochem 126, 218 225 Whittaker MM & Whittaker JW (2000) Recombinant ... found in the crystal structures of SODs from several sources, such as Sulfolobus solfataricus [18] , Mycobacterium tuberculosis [19], Aquifex pyrophilus [20] and P shermanii [6] These SODs are...
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Tài liệu Báo cáo khóa học: Mutations in the hydrophobic core and in the protein–RNA interface affect the packing and stability of icosahedral viruses doc
... provides new insights into protein folding, dynamics and structure Trends Biochem Sci 26, 612– 618 18 Balny, C., Masson, P & Heremans, K (2002) High pressure effects on biological macromolecules: ... in Fig according to (Eqn 3) and normalized by dividing by the number of subunits in the capsid (180 ) DV/n Changes in secondary structure upon dissociation and denaturation To further confirm the ... higher urea concentrations, both WT bacteriophage and the D11N mutant lost the ellipticity at 218 nm, indicating complete denaturation (results not shown) the data of Fig (Eqn 3) M88V and T45S...
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Tài liệu Báo cáo khoa học: Relationships between structure, function and stability for pyridoxal 5¢-phosphate-dependent starch phosphorylase from Corynebacterium callunaeas revealed by reversible cofactor dissociation studies doc
... substrate phosphate Acknowledgements The nancial support from the Austrian Science Funds (P15 118 and P 1189 8 to B.N.) is gratefully acknowledged We thank Dr Dieter Palm for communicating a protocol ... materials Recombinant CcStP and site-directed mutants thereof were produced as described elsewhere [15 ,18] Natural CcStP was puried by a reported procedure [16] If not stated otherwise, recombinant CcStP ... according to Eis et al [19] Analytical enzymes and enzyme substrates were specied in previous papers [1 518] All other chemicals were of reagent grade and obtained from Sigma and Fluka Preparation of apo-Cc...
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VITAMINS IN FOODS Analysis, Bioavailability, and Stability potx
... 165 167 167 167 168 168 169 171 171 171 172 173 173 177 178 178 179 179 179 179 179 181 182 183 183 183 187 187 Chapter 10 Vitamin B6 10.1 Background ... 18. 3.4.1 Maintenance of Stock Cultures 18. 3.4.2 Preparation of the Inoculum Culture 18. 3.4.3 Preparation of the Assay (Basal) Medium 18. 3.4.4 ... 18. 3.4.5 Setting Up the Assay 18. 3.4.6 Quantification 18. 3.5 Partial Automation of the Assay Procedure 18. 4 Turbidimetric...
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Báo cáo khoa học: Local changes in the catalytic site of mammalian histidine decarboxylase can affect its global conformation and stability pptx
... Mammalian 1-amino acid decarboxylases 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 producing 1,4-diamines: analogies among differences Trends Biochem Sci 19, 318 319 Engel, N., Olmo, M.T., Coleman, C.S., ... flexible region around Arg334 is required during the transaldimination process Protein Sci 7, 180 2 181 0 38 Bertoldi, M., Gonsalvi, M., Contestabile, R & Voltattorni, C.B (2002) Mutation of tyrosine ... twofold axial symmetry dimers similar to those described for the crystal structures of pig DDC [18] Nevertheless, it predicts a more occluded catalytic center when compared with the DDC crystal...
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Arsenic speciation in environmental and biological samples extraction and stability studies
... 2.9 18. 0 ± 2.0 80.0 ± 3.5 46.0 ± 2.2 12.2 ± 2.5 68.0 ± 2.9 50.0 ± 3.0 20.0 ± 2.2 89.0 ± 3.5 82.0 ± 3.0 17.0 ± 2.0 99.0 ± 3.0 Certified values of NIST 1568a (0.29 ± 0.03 g g−1 As) and DORM-2 (18. 0 ... extractions ¯ Sample (total content, mg kg−1 ) Extraction efficiency number of extraction Water Rice (0 .182 ± 0.031) 1st 2nd Extractions n = Chicken (0.168 ± 0.002) Methanol:water M H3 P04 1:1 9:1 1:1–9:1 ... ml of 1:1 methanol: water were added following a similar treatment performed by Shibata et al [18] The mixture was maintained at 55 ◦ C for 10 h and then treated in an ultrasonic focalized bath...
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BIS Papers No 62 Financial sector regulation for growth, equity and stability doc
... real sectors: a critical survey of the literature”, BCBS Working Papers, no 18, February 2011 (www.bis.org/publ/bcbs_wp18.htm) This is further elaborated in Committee on the Global Financial System, ... specific difficulties that are likely to be faced by EMEs in the implementation of Basel 3? 16.30 18. 30 Session II on “Implications of the Evolving Regulatory Framework for Equity in the post crisis ... financial system Some have expressed concerns that strengthening bank capital could slow growth 18 H Hannoun, “Sovereign risk in bank regulation and supervision: where we stand?”, speech to the...
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Báo cáo khoa học: Increased amylosucrase activity and specificity, and identification of regions important for activity, specificity and stability through molecular evolution doc
... 2· Mutations DNA C45T, A226G C469G, G691T,C1441T C698T,C1239T,G1597A G184A, C1317T, G1516A G99A, G495A, A1159G G1221T, G1839T A680G C123T, G1165C, A1509T C58T, G444T, T1793C N76D P157A, D231Y ... 0.60 1.19 0.19 0.14 0.28 71 165 82 1.4 1.7 2.2 0.020 0.010 0.026 0.35 0 .18 0.54 0.14 0.23 0.23 29 48 62 0.52 0.43 0.86 0. 018 0.009 0.014 0.43 (1.2)a 0.05 0.36 (2.0) 0.04 0.64 (1.2) 0.11 112 300 ... amylosucrase, from Deinococcus radiodurans, has very similar catalytic properties and stability [18] This study deals with optimization of the catalytic properties of amylosucrase to adapt it to...
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Báo cáo khoa học: Thermodynamic analysis of the unfolding and stability of the dimeric DNA-binding protein HU from the hyperthermophilic eubacterium Thermotoga maritima and its E34D mutant pdf
... bottom): 2, 5, 7, 10, 15, 20, 30, 45, 60, 75, 120, 150 and 180 lM The symbols in (B) correspond to various concentrations between and 180 lM at four different temperatures: 10, 15, 20 and 25 °C ... counterparts [4 ,18] An inspection of the three-dimensional structure of the wild-type protein (Fig 1) reveals the existence of a salt bridge between Glu34 in one chain and Lys13 in the other [18] , an ... dependence for Cp,N2 and a quadratic one for Cp,U, as described elsewhere [26] Cp;N2 ¼ aN þ bN ÁT Eqn (18) Cp;U ¼ aU þ bU ÁT þ cU ÁT2 Eqn (19) Parameters bU and cU were obtained from the nonlinear quadratic...
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Báo cáo khoa học: Solution structure and stability of the full-length excisionase from bacteriophage HK022 pot
... (residues 2–50) All heavy atoms (residues 2–50) Backbone atomsb (residues 2–11; 18 50) All heavy atoms (residues 2–11; 18 50) Ramachandran plot analysis (%)c Residues in most favoured regions Residues ... Nature 349, 178 180 Wojciak, J.M., Sarkar, D., Landy, A & Clubb, R.T (2002) Armsite binding by lambda-integrase: solution structure and functional Ó FEBS 2003 10 11 12 13 14 15 16 17 18 19 20 21 ... coilÕ conformation, are not shown The two a-helices – a1 (residues Leu5–Arg11) and a2 (residues Leu18–Glu27) – are shown in red and yellow; the loop between them is indicated by L The five b-strands...
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Báo cáo Y học: Domain organization, folding and stability of bacteriophage T4 fibritin, a segmented coiled-coil protein docx
... (1998) A conserved C-terminal assembly region in paramyosin and myosin rods J Struct Biol 122, 180 187 27 Engel, J & Schwarz, G (1970) Co-operative conformational transitions of linear biopolymers ... Wada, Y & Morishima, I (1994) ÔModuleÕ substitution in hemoglobin subunits J Biol Chem 269, 187 50 187 56 Ó FEBS 2002 Thermodynamics of segmented coiled coil protein (Eur J Biochem 269) 841 35 ... solution of 0.01 M Na phosphate buffer (pH 8.0) and 0.15 M NaCl (a) Spectra of the SM4 fibritin (182 residues per monomer) were registered at 298, 335, and 358 K The protein has the native conformation...
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Báo cáo Y học: Cytochrome c from a thermophilic bacterium has provided insights into the mechanisms of protein maturation, folding, and stability potx
... Dobson, C.M & Smith, L.J (2001) Amyloid fibril formation by a helical cytochrome FEBS Lett 495, 184 186 Tomlinson, E.J & Ferguson, S.J (2000) Conversion of a c type cytochrome to a b type that spontaneously ... Cytochromes c555 from the hyperthermophilic bacterium Aquifex aeolicus Ó FEBS 2002 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Cytochrome c structure and stability (Eur J Biochem 269) 3361 (VF5) Characterization ... periplasm [17] DsbD contains a domain with potential disulfide isomerase activity facing the periplasm [18 20] Other Dsb proteins, DsbA and DsbB, which have been determined to oxidize cysteine thiols...
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Islamic vs. Conventional Banking: Business Model, Efficiency and Stability ppt
... 0.0614* -0. 0183 -0.2275* -0.0614* -0.1443* -0 .188 5* 0. 0184 -0.0450* 0.1766* 0 .180 4* -0.4596* 0.0697* -0.8190* -0.0685* 0.4606* 0.7936* 0.0909* 0.0904* -0 .185 8* -0.1315* 0.0142 0.1168* -0.2 018* 0.2472* ... 0.886 38422 38333 3 7188 13.762 44.451 1.882 1.888 23.462 1.712 10.959 13.610 0.109 16.866 85.490 5.411 13.572 41.737 2.288 13.766 44.513 1.873 0.053 0.003 0.000 181 2 180 6 1764 185 9 1587 2086 1364 ... 49.974*** [2.761] -0.924*** [0 .183 ] -0.349*** [0. 018] -0.002* [0.001] 0.591*** [0. 018] 0.161*** [0.026] -0.068*** [0.005] -1.449*** [0.138] 0.008*** [0.002] -1.232*** [0.078] 7. 318* ** [0.290] 0.077 [0.445]...
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Báo cáo khoa học: Metal ions modulate the folding and stability of the tumor suppressor protein S100A2 docx
... (1998) Binding of Ca2+ and Zn2+ to human nuclear S100A2 and mutant proteins J Biol Chem 273, 188 26 188 34 18 Koch M, Diez J & Fritz G (2006) Purification and crystallization of the human EF-hand tumour ... S100A13, a key component of the FGF-1 nonclassical copper-dependent release complex Biophys J 91, 183 2– 184 3 29 Baudier J, Glasser N & Gerard D (1986) Ions binding to S100 proteins I Calcium- and zinc-binding ... contributes to human pancreatic cancer pathogenesis and progression Proc Natl Acad Sci USA 104, 186 36 186 41 32 Taylor KM, Morgan HE, Smart K, Zahari NM, Pumford S, Ellis IO, Robertson JF & Nicholson...
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Báo cáo khoa học: Tryptophan 243 affects interprotein contacts, cofactor binding and stability in D-amino acid oxidase from Rhodotorula gracilis ppt
... FAD (0.2 mM) in the activity assay mixture 506 d (334) (342) (338) (342) (338) (340) (337) (341) 18. 9 9.4 12.3 These values were determined in the presence FEBS Journal 273 (2006) 504–512 ª 2006 ... dimeric state to the thermal stability of the flavoprotein d-amino acid oxidase Protein Sci 12, 1 018 1029 Piubelli L, Caldinelli L, Molla G, Pilone MS & Pollegioni L (2002) Conversion of the dimeric...
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Báo cáo khóa học: High level cell-free expression and specific labeling of integral membrane proteins doc
... from the E coli strain A19 (E coli Genetic Stock Center CGSC) in a procedure modified after Zubay [18] The cells were washed in washing buffer [10 mM Tris-acetate, pH 8.2, 14 mM Mg(OAc)2], with mM ... of s The data pitch was 0.2 nm and the scanning rate 50 nmÆmin)1 The spectra were recorded from 188 to 260 nm The presented data are the average of three scans and smoothed by means-movement with ... copper blades used as sample holders and then frozen by plunging into liquid ethane cooled to )180 °C by liquid nitrogen Freeze-fracturing was performed in a Balzers 400T freeze-fracture apparatus...
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Vibration and control
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