purity viability and stability of strain properties
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
... assembly and disassembly In this work, we studied the effects of chemical (i.e urea) and physical (i.e high pressure) denaturing agents in the structure and stability of the MS2 bacteriophage, and of ... fraction Fig Dissociation and denaturation of wild-type (WT) and mutant MS2 particles (A) Light scattering and spectral center of mass measurements of WT MS2 as a function of urea concentration To ... unaffected and showed only a 10-fold loss of titer Pressure stability of the MS2 bacteriophage and ts mutants Fig High-performance gel filtration chromatography of bacteriophage MS2 and the temperature...
Ngày tải lên: 19/02/2014, 12:20
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
... dependence of the heat capacity of the initial and final conformations (Cp,N2 and Cp,U), the heat capacity of the native state was taken to be a linear function of temperature and that of the unfolded ... where Cp,N2 and Cp,U stand for the molar heat capacities of the native and unfolded states, respectively; that is, the changes of HN2 and HU with temperature Substitution of this and Eqn (10) ... some of the experimental and mathematical bases for future studies into strategies for increasing the thermal stability of proteins Materials and methods Overproduction and purification of HU...
Ngày tải lên: 23/03/2014, 12:20
Báo cáo khoa học: Solution structure and stability of the full-length excisionase from bacteriophage HK022 pot
... consists of five b-strands, whereas k Xis features only two regular b-strands and two extended sequence segments [20] Second, the ÔwingÕ b-sheet of HK022 Xis_C28S consists of three b-strands and is ... Tyr2–Thr4), b-strand (residues Val35–Lys36) and b-strand (residues Tyr41–His44) Residues Asp37–Glu40 form a reverse b-turn T between b-strands and The b-strands (residues Ile30–Phe31) and (residues ... Rheinstetten, Germany) and FELIX 97 (Accelrys, San Diego, CA, USA) programs Ó FEBS 2003 Structure and stability of HK022 excisionase (Eur J Biochem 270) 4849 Restraint generation and structure calculation...
Ngày tải lên: 23/03/2014, 15:21
Báo cáo Y học: Domain organization, folding and stability of bacteriophage T4 fibritin, a segmented coiled-coil protein docx
... Engineering and properties of fibritin deletion mutants To investigate the stability and thermodynamic properties of T4 fibritin, a set of recombinant truncated mutants was designed and analysed ... structure [9], and this mutation also seems to increase the stability of fibritin M The DHcal values of the 336 K peak of full-length fibritin, and of the 330 K peaks of the B1, SM1, SM4, and E truncated ... temperature of the maximum heat capacity, ÆDCpæmax is the excess heat capacity of proteins in the maximum of the peak, and D1 Cp is the difference between heat capacities for state and (after and before...
Ngày tải lên: 24/03/2014, 03:21
Báo cáo khoa học: Metal ions modulate the folding and stability of the tumor suppressor protein S100A2 docx
... conformation and stability of S100A2 will contribute to a better understanding of the regulation of protein function by metal ions, in particular as a putative Zn2+ sensor EF-hand EF-hand Ca2+ Ca2+ ... effects of metal ions on S100A2 folding and stability contribute to a better understanding of the Ca2+- and Zn2+-dependent regulation of the protein In the Ca2+-loaded state, S100A2 binds and activates ... mechanism of Zn2+- and Ca2+dependent activation of S100 proteins The antagonistic effect of Zn2+ and Ca2+ in the control of S100A2 stability provides a molecular rationale for the action of both...
Ngày tải lên: 30/03/2014, 02:20
Methods to access quality and stability of oils and fat containing foods
... testing of oils and fat-containing foods Number of Samples The number of samples that can be evaluated in one session is dependent on the nature of the product and on the amount of training and experience ... Historical Glimpses of Analytical and Quality Assessment Methods for Fats and Oils H.J Dutton Factors Affecting Oil Quality and Stability T.H Smouse Sensory Analyses of Oils and Fat-Containing ... determining moisture, the “Swift stability test” bath, and the analytical balance A set of calibrated weights from the National Bureau of Standards were used, and tenths of milligrams were calculated...
Ngày tải lên: 23/05/2014, 12:34
Báo cáo hóa học: "Integro-differential inequality and stability of BAM FCNNs with time delays in the leakage terms and distributed delays" doc
...
Ngày tải lên: 21/06/2014, 00:20
Báo cáo hóa học: " Research Article Existence and Stability of Antiperiodic Solution for a Class of Generalized Neural Networks with Impulses and Arbitrary Delays on Time Scales" ppt
... of periodic solution of CNNs with impulses,” Chaos, Solitons and Fractals, vol 33, no 5, pp 1686–1693, 2007 Y K Li and L Lu, “Global exponential stability and existence of periodic solution of ... and stability of periodic solutions of high-order Hopfield neural networks with impulses and delays,” Journal of Computational and Applied Mathematics, vol 224, no 2, pp 602–613, 2009 K Li, Stability ... The main purpose of this paper is to study the existence and global exponential stability of anti-periodic solutions of system 1.1 by using the method of coincidence degree theory and Lyapunov functions...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo hoa học: " Research Article Solution and Stability of a Mixed Type Additive, Quadratic, and Cubic Functional Equation" pdf
... stability of the linear functional equation,” Proceedings of the National Academy of Sciences of the United States of America, vol 27, pp 222–224, 1941 12 G Isac and Th M Rassias, “On the Hyers-Ulam stability ... equation,” Journal of Mathematical Analysis and Applications, vol 274, no 2, pp 267–278, 2002 14 L Maligranda, “A result of Tosio Aoki about a generalization of Hyers-Ulam stability of additive functions—a ... generalization of the Hyers-Ulam-Rassias stability of approximately additive a ¸ mappings,” Journal of Mathematical Analysis and Applications, vol 184, no 3, pp 431–436, 1994 11 D H Hyers, “On the stability...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article Fixed Points and Stability of the Cauchy " pptx
... “Solution of a problem of Ulam,” Journal of Approximation Theory, vol 57, no 3, pp 268–273, 1989 23 L C˘ dariu and V Radu, “Fixed points and the stability of Jensen’s functional equation,” Journal of ... x ∈ A Proof The proof is similar to the proofs of Theorems 2.3 and 3.1 Corollary 3.4 Let r > and θ be nonnegative real numbers, and let f : A → A be a mapping satisfying 3.7 and 3.8 Then there ... Proceedings of the National Academy of Sciences of the United States of America, vol 27, no 4, pp 222–224, 1941 T Aoki, “On the stability of the linear transformation in Banach spaces,” Journal of the...
Ngày tải lên: 22/06/2014, 11:20
Báo cáo hóa học: "CONVERGENCE AND STABILITY OF A THREE-STEP ITERATIVE ALGORITHM FOR A GENERAL QUASI-VARIATIONAL INEQUALITY PROBLEM" doc
... approximate solution of GQVIP Furthermore, using fixed point method, we prove the existence of unique solution of GQVIP and discuss the convergence analysis and stability of the three-step iterative ... Existence of solution, convergence analysis, and stability In this section, first we establish the existence of unique solution for GQVIP (2.10) and discuss the convergence analysis of TSIA (3.1) ... Banach spaces: properties and applications, [2] Theory and Applications of Nonlinear Operators of Accretive and Monotone Type (A G Kartsatos, ed.), Lecture Notes in Pure and Applied Mathematics,...
Ngày tải lên: 22/06/2014, 22:20
Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes pot
... bodies of one of the hybrid mushroom strains, pfle1r yielded two polysaccharides, glucan (PS-I) and a heteroglycan (PS-II) consisting of glucose, mannose, and galactose Structural investigation of ... bodies of an edible hybrid mushroom Pfle1r of Pleurotus florida and Lentinula edodes showed macrophages, splenocytes, and thymocytes activation The glucan consists of terminal, (1→3,6)-linked, and ... 61 62 63 64 65 Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes Praloy K Majia, Ipsita...
Ngày tải lên: 28/06/2014, 11:20
Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes potx
... bodies of one of the hybrid mushroom strains, pfle1r yielded two polysaccharides, glucan (PS-I) and a heteroglycan (PS-II) consisting of glucose, mannose, and galactose Structural investigation of ... bodies of an edible hybrid mushroom Pfle1r of Pleurotus florida and Lentinula edodes showed macrophages, splenocytes, and thymocytes activation The glucan consists of terminal, (1→3,6)-linked, and ... 61 62 63 64 65 Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes Praloy K Majia, Ipsita...
Ngày tải lên: 28/06/2014, 11:20
Báo cáo khoa hoc:" Formation and stability of oil-in-water nanoemulsions containing rice bran oil: in vitro and in vivo assessments" pdf
... 10.00% of rice bran oil, 5.00% of sorbitan oleate, 5.00% of PEG-30 castor oil, 0.05% of BHT antioxidant, 0.50% of preservative and 79.45% of distilled water 5.00% of sorbitan oleate, 5.00% of PEG-30 ... blend and 80% water and proceeded with further stability tests and in vitro and in vivo evaluations Stability study The formulation composed of 10:10:80 (rice bran oil, surfactant blend and water) ... The aim of this study was to obtain nanoemulsions of rice bran oil and to evaluate their physical stability, irritating potential and in vivo moisturising activity Page of Determination of nanoemulsion...
Ngày tải lên: 11/08/2014, 08:20
Báo cáo khoa học: "Survival of Clostridium perfringens During Simulated Transport and Stability of Some Plasmid-borne Toxin Genes under Aerobic Conditions" pptx
... Furthermore the stability of plasmid-borne genes (cpb1, cpb2 and etx) was assessed after exposure of C perfringens strains to atmospheric oxygen Material and Methods Bacterial strains and growth conditions ... clinical isolates and identification of enterotoxigenic Clostridium perfringens strains by classical methods and by polymerase chain reac- Survival of C perfringens and stability of plasmid-borne ... Survival of C perfringens and stability of plasmid-borne toxin genes 245 Table Number of C perfringens CCUG 2035 on Amies swab before and after storage Prepared suspension (CFU/ml) of C perfringens...
Ngày tải lên: 12/08/2014, 15:21
fracture mechanics of concrete concepts, models and determination of material properties
... model, crack band model, nonlocal strain- softening models, etc.) are described and random particle simulation o f aggregate microstructure is discussed The principles o f implementation of these models ... length for nonlocal continuum models and the strain- softening properties is then examined, and material parameters for modes II and Ill, shear fractures and mixed mode fracture are also discussed ... humidity and temperature, as well as the effect o f cyclic loading Chapter is devoted t o the effect of reinforcing bars and their bond slip on fracture propagation, and t o fracture of fiber-reinforced...
Ngày tải lên: 24/10/2014, 21:58
Transition metal oxide nanostructures shape controlled synthesis, characterizations and studies of physical properties
... edge and core region of a NW of diameter ~80 nm A low magnification TEM image of the same NW is displayed in the inset of (d) and (f) its SAED pattern (g) and (h) HRTEM images of Nb2O5 NWs of diameter ... captured near the edge and core region of a NW of diameter ~180 nm Inset of (a) is a low magnification TEM image xii LIST OF FIGURES of the same NW and (c) its SAED pattern (d) and (e) HRTEM image ... SEM image of the cobalt foil with nanowires after minutes of growth and (d) SEM image of the same region of the foil taken after a subsequent minutes of growth (e) a typical TEM image of the Co3O4...
Ngày tải lên: 14/09/2015, 14:11
Workability and stability of lightweight aggregate concrete from rheology perspective
... ON PROPERTIES OF HARDENED LWAC 122 EFFECT OF RHEOLOGICAL PARAMETERS ON STABILITY OF LWAC 127 6.1 INTRODUCTION 127 6.2 EFFECT OF LWA DENSITY AND W/C ON STABILITY ... DENSITY AND W/C ON STABILITY OF LWAC 127 6.3 EFFECT OF INCREASING AIR ENTRAINMENT ON STABILITY OF AIR ENTRAINED LWAC 133 6.4 COMPARISON OF STABILITY OF NON-AIR AND AIR ENTRAINED LWAC ... 135 6.4.1 Stability of the concretes at high yield stress of 650 Pa and low yield stresses of 200 and 350 Pa 136 6.4.2 6.5 Effect of yield stress on fluidisation of fresh concrete...
Ngày tải lên: 16/09/2015, 08:30
Coderivatives of Implicit Multifunctions and Stability of Variational Systems
... Lee and N D Yen, Fr´echet and normal coderivatives of implicit multifunctions, Appl Anal 90 (2011), pp 1011–1027 [7] G M Lee and N D Yen, Coderivatives of a Karush-Kuhn-Tucker point set map and ... Coderivatives of normal mappings and the Lipschitzian stability of parametric variational inequalities, Nonlinear Anal., 73 (2010), pp 2271–2282 [13] N T Qui, Generalized differentiation of a class of normal ... convex subset U of X is Fr´echet differentiable on a dense subset of U The class of Asplund spaces is large For instance, it contains the class of reflexive Banach spaces The calculus of normal cones...
Ngày tải lên: 12/10/2015, 10:46