thermodynamic signatures of macromolecular complexes ‒ insights on the stability and interaction
Báo cáo khoa học: Context-dependent effects of proline residues on the stability and folding pathway of ubiquitin docx
... WT*, and that the substitutions are not significantly perturbing the position of the TSE along the folding pathway [51,52] We have considered the P37/P38 mutations simultaneously and constructed the ... structure of human ubiquitin [32] The position and orientation of the side chains of Pro19, Pro37 and Pro38 are highlighted along with the F45W mutation (drawn using MOLMOL [38]) The sequences of human ... backbone assignment of WT* for comparison with P37A, P38A and the A37A38 double mutant and have examined chemical shift perturbations and the pattern of NOEs in the vicinity of the mutation sites...
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Báo cáo khoa học: Effects of a tryptophanyl substitution on the structure and antimicrobial activity of C-terminally truncated gaegurin 4 doc
... structures randomly showed a short a helical conformation in the C-terminal part The disordered conformation in the C-terminal region of D24)37 GGN4 is probably due to the break of the peptide bond at ... tryptophanyl substitution at position 16 on the biological activity was confirmed for the native GGN4 Consistent with the results of the C-terminally truncated GGN4, the D16W substitution in the native GGN4 ... with a 5-nm excitation and emission bandwidth, a 0.5-s response time, and a scan speed of 40 nmÆs)1 All samples contained lM peptide or the same concentration of NATA for control experiments,...
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effects of recognition versus disclosure on the structure and financial reporting of share based payments
... in the terms of option contracts and for substitution towards other forms of compensation I focus primarily on changes in the number of option grants because these changes are likely to have the ... granted options amounting to a median fair value of 7% of profits in 1996 and 11% of profits in 2004 I compare the terms of option grants and the properties of fair value estimation under a disclosure ... and financial reporting decisions in the context of recognition and disclosure Examples of the former include Imhoff and Thomas [1988] and Mittelstaedt, Nichols, and Regier [1995]; examples of...
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Báo cáo toán học: " Influence of different flow conditions on the occurrence and behavior of potentially hazardous organic xenobiotics in the influent and effluent of a municipal sewage treatment plant in Germany: an effect-directed approach" pot
... http://www.enveurope.com/content/24/1/2 resulting in lower concentrations of pharmaceuticals and other wastewater constituents [6] The purification efficiency of the STPs depends strongly on the hydraulic retention of ... http://www.enveurope.com/content/24/1/2 Page of 13 Figure Impact of precipitation on wastewater flow Summary of the relationship between the daily amount of precipitation in the area of Trier and the wastewater ... [21,24] The approach of SPE and fractionation in the present study (Figure 3) relies on the survey by Kern et al [25] The combination of Oasis HLB with a cation and an anion exchanger provides the...
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Báo cáo hóa học: " Impacts of Post-metallisation Processes on the Electrical and Photovoltaic Properties of Si Quantum Dot Solar Cells" potx
... existence of localised Al shunts lying across the p-type and n-type regions as the annealing improves the contact of the Al shunts to both p- and n-regions of the cell thus shorting the cell more ... a clear demonstration that the electronic band gap of the nanostructured material is enhanced due to the quantum confinement effect At present, the emphasis is on increasing Voc and the devices ... as Rsh of the cell is in the order of MX.cm2 The short circuit current increases by a factor of three due to the decrease of Rs Contact and Sheet Resistances To identify the origin of the large...
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báo cáo hóa học:" Influence of different flow conditions on the occurrence and behavior of potentially hazardous organic xenobiotics in the influent and effluent of a municipal sewage " pdf
... http://www.enveurope.com/content/24/1/2 resulting in lower concentrations of pharmaceuticals and other wastewater constituents [6] The purification efficiency of the STPs depends strongly on the hydraulic retention of ... http://www.enveurope.com/content/24/1/2 Page of 13 Figure Impact of precipitation on wastewater flow Summary of the relationship between the daily amount of precipitation in the area of Trier and the wastewater ... [21,24] The approach of SPE and fractionation in the present study (Figure 3) relies on the survey by Kern et al [25] The combination of Oasis HLB with a cation and an anion exchanger provides the...
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Báo cáo hóa học: " Influence of Uniaxial Tensile Stress on the Mechanical and Piezoelectric Properties of Short-period Ferroelectric Superlattice " potx
... reflect the slope of polarization versus stress curves The enhancement of piezoelectricity corresponds to the maximum slope of the curve of Fig 4a at rc, it is the change of magnitude of polarization ... supported by the conclusion of uniaxial tensile stress dependency of elastic constant c33 (see Fig 2b) Note that the polarization under uniaxial stress remains along the \001[ direction and that the piezoelectric ... superlattice under the loading of uniaxial tensile stress along the c axis becomes soft along the nonpolar axes To illustrate the change of chemical bonds with uniaxial tensile stress, Fig 3a and b are...
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Báo cáo hóa học: "Influence of Rare Earth Doping on the Structural and Catalytic Properties of Nanostructured Tin Oxide" docx
... series of simultaneous reactions These reactions are more or less promoted depending on the nature of the catalyst, the type of interaction with the surface of the solid material, and the different ... modification of the nanostructure and the basic sites of the particles Another phenomenon starts to occur on the surface of doped samples, a segregation process of particles of metastable solid solution, ... The results from the isotherms of the CO2 adsorption are shown in Table The CO2 adsorption isotherms are very sensitive to the presence of polar groups or ions on the surface of the solid [16]...
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Báo cáo toán học: "On a Generalization of Meyniel’s Conjecture on the Cops and Robbers Game" potx
... affect the set of possible moves of the players, and the cop number of a disconnected graph obviously equals the sum of the cop numbers for each connected component For a survey of results on the ... independence of every (2s + 2)-subset of S, (s′1 , , s′m ) is a permutation of (s1 , , sm ) Therefore, the number of ordered representations of u − v using m members of S is m!, so the number of ... − then u is on a shortest (r, x)-path, which contradicts the assumption u ∈ A Therefore, d(r, u) = s + 1, and x is on a shortest (r, u)-path Hence / by property (1), the number of neighbors of...
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Báo cáo khoa học: "The influence of cork oak pruning on the yield and growth of cork" pps
... pruning on cork production The climate is continental Mediterranean and the potential vegetation is that of the Sanguisorbo agrimonioidis-Quercetum suberis [15] type of cork oak forest in all of the ... as the height to which the trunk is stripped, the total length of stripping, the surface area stripped, and the indices and coefficients of stripping which reveal the intensity of stripping The ... Our thanks go to all the owners of the sites, the Forest Service of the province of Cáceres for allowing us to record data, and all those involved in the collection of field and laboratory data,...
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Tài liệu Báo cáo khoa học: Influence of modulated structural dynamics on the kinetics of a-chymotrypsin catalysis Insights through chemical glycosylation, molecular dynamics and domain motion analysis pptx
... rearrangement of their noncovalent interactions While the contributions of the VDW and coulombic energy parameters to these changes are evident from the results, other noncovalent interactions such ... A3 are the fractions of the fast, slow and stable amide protons and kHX,1 and kHX,2 are the apparent exchange rate constants for the fast and slow amide protons Results were interpreted thermodynamically ... The dynamics of the resulting network are then dened by the Ni ã Nj Kirchhoff connectivity matrix of interresidue contacts (G) where the off diagonal elements of G are dened as: Gij ẳ )1 if the...
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Báo cáo khoa học: Effects of salt on the kinetics and thermodynamic stability of endonuclease I from Vibrio salmonicida and Vibrio cholerae potx
... study, the effect of NaCl concentration on the kinetic constants and thermodynamic stability of VsEndA and VcEndA was investigated In addition, the effects of reciprocal mutations of two non-conserved ... boundary conditions, and the resulting grid was adopted as the boundary condition for one further focused calculation The protein molecules occupied 90% of the box in the final calculations The molecular ... compilation ª 2008 FEBS 1595 Effects of salt on Vibrio endonucleases L Niiranen et al Table Thermodynamic parameters of the thermal unfolding of VsEndA and VcEndA as a function of NaCl concentration...
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Cambridge.University.Press.The.Works.of.Archimedes.Volume.1.The.Two.Books.On.the.Sphere.and.the.Cylinder.Translation.and.Commentary.May.2004.pdf
... at the end of the second volume of the second edition: On Polyhedra On the Measure of a Circle On Plynths and Cylinders On Surfaces and Irregular Bodies Mechanics Catoptrics On Sphere-Making On ... important consideration of the work Once the groundwork is laid, in Propositions 1–22, the second half of the work is less constrained by strong deductive relations, one result leading to the next: the ... call the figure internally contained by the surface of the cone, and by the surface of the sphere inside the cone, a “solid sector.” /6/ And when two cones having the same base have the vertices on...
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Báo cáo y học: "The Influence of Hyperbaric Oxygen Treatment on the Healing of Experimental Defects Filled with Different Bone Graft Substitutes"
... Electron microscopy observations In the ultrastructural evaluation of the periosteum in one and two week specimens in the control groups without HBOT, there were numerous chondroblasts and rarely ... compared to the β-TCP Also, at four weeks, the healing of these defects was similar to that of the control group On the other hand, our ultrastructural investigation revealed that the CPCBB caused ... that the successful interaction of a bone graft substitute with the host tissue under normobaric conditions may not be indicative of the similar process under hyperbaric environment Conclusion...
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Influence of Polyferric Sulfate Coagulant on the amoA mRNA Expression of Ammonia Oxidizer in Activated Sludge
... Biosystems) RESULTS AND DISCUSSION Effects of the addition of polyferric sulfate on phosphorus removal and nitrification Phosphorus concentration was immediately decreased at the beginning of the experiment ... might be important for further investigation Number of ammonia oxidizers and copy number of amoA mRNA The time courses of the copy number of amoA mRNA and the number of ammonia oxidizer are shown ... cessation of activity This range of time-lag is reasonable to explain the result of this study Certainly, there must be some other factors affecting the ammonia oxidation performance and/ or the...
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AN ACTION RESEARCH ON THE EFFECTS OF PRE WRITING ACTIVITIES ON THE GRADE – 11 NON – MAJOR ENGLISH STUDENTS’ MOTIVATION IN WRIT
... Development and Conclusion Part 1: Introduction presents the rationale, the research questions, the method of study, the research procedure, the scope of the study, the significance of the study and the ... employs the following methods: Data is collected by means of three sets of questionnaires, one on the teachers and the others on the students in pre – improvement stage and post – improvement one The ... used in many parts of the world In the tendency of integration of the global economy, English is one of the effective communicative tools for everybody The role of English is considered to be very...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
... permission of the copyright owner Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Information Division, Food and ... impact on the microbial populations in the associated culture medium and eventually in the fish/shrimp’s gut flora, and consequently on the health status and the digestive capability of the larva ... based on a number of criteria (Fig 1.5.) Most of the criteria as identified from the viewpoint of the larva have already been discussed above with the exception of the criterion ‘purity’ One should...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
... vary considerably according to the culture conditions For example the effect of the composition of the culture medium on the proximate composition of various species of micro-algae is demonstrated ... disadvantage is the need to prevent contamination during the initial inoculation and early growth period Because the density of the desired phytoplankton is low and the concentration of nutrients ... growth depends upon the species and culture conditions of the algae making up the diet, and the bivalve culture conditions Under practical hatchery conditions, high food rations are often fed, which...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
... tract of the rotifers are killed as well The concentration of the disinfection products differs according to their toxicity and the initial condition of the rotifers Orientating concentrations ... generations of offspring before they eventually die The reproduction activity of Brachionus depends on the temperature of the environment as illustrated in Table 3.1 The life cycle of Brachionus ... not only has a regulating effect on the microflora but also increases the production rate of the rotifers For stable rotifer cultures, the microflora as well as the physiological condition of the...
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