surface forces and emulsion stability

... C Lange et al Surface charge mutants of cytochrome c6 Results and Discussion Functional characterization of wild-type cyt c6 and its mutants Wild-type cyt c6 and its mutant forms were ... pronounced between pH and for the wild-type and most mutants, with the exception of D72A, for which the biggest pH effect was observed between pH and These results indicate that the stability differences ... K8D (,) and D72A ⁄ K8A (e), and for (B) K8D ( ), D72K (s), D72N (n), D72A (,) and D72K ⁄ K8A (e) The lines correspond to the DHU(T) functions obtained by multiple fits for wild-type (A) and for...

Ngày tải lên: 30/03/2014, 20:20

... where C1 and C2 are constants, H the surface separation, and λ1 and λ the characteristic decay length of the short and long range components respectively λ1 and λ are on the order of 10 Å and 100 ... particle surfaces produce a range of surface forces such as electrosteric [Napper, 1983], charged patch [Leong 1999] and bridging [Healy and La Mer, 1964] The ability to quantify the attractive and ... attractive and repulsive forces is important in the study of colloid stability In this study, the effect of polymers and small ionic additives on the surface forces between metal and non-metal oxide...

Ngày tải lên: 11/09/2015, 10:18

... hard tip and sample without surface forces) (b) Infinitely hard materials with long-range repulsion (c) Deformable materials without surface forces (d) deformable materials with attraction and adhesion ... in its ability to measure forces at the nanoscale, allowing one to map the topography of surfaces and quantify the interacting forces between the tip and the sample surface The DC (static deflection) ... oscillatory solvation forces Specifically, we measure the oscillatory forces between a graphite surface and an AFM tip in the presence of simple organic liquids (hexadecane, dodecanol and octamethylcyclotetrasiloxane)...

Ngày tải lên: 11/09/2015, 16:04

... cutting edge and wear land will become smoother (see Fig 10), as will the workpiece surface The influence of wear land grooves on surface roughness was also observed by Solaja [8], and Ansell and Taylor ... and surface finish is therefore important Experimental work 2.1 Materials The cutting tools used were high concentration CBN compacts, referred to in this paper as CBN and CBN The materials and ... Multivariate tests were performed to measure cutting forces and machined surface roughness The operating parameters were v ϭ 56–182 m/min, f ϭ 0.08–0.31 mm/rev and ap ϭ 0.025– 0.1 mm In addition, the tools...

Ngày tải lên: 18/02/2016, 08:55

... sections through the cell to observe surface and intracellular staining Figures 3a-d show the intracellular and surface staining of PBMC in a healthy control and from a septic patient These images ... days 3, 7, and 14 for PCR studies and days 0, 1, and for measurement of soluble HLA-DR Blood (7.5 ml) was collected in preservative free heparin (final concentration of 100 iu/ml) and cells were ... cultured with GM-CSF at concentrations of 1ng/ml and 10ng/ml At time points 4, 6, and hours, cells were evaluated for surface expression of HLA-DR and HLA-DR mRNA production Control samples were...

Ngày tải lên: 03/11/2012, 09:57

... Africa, and Thailand) and balance sheets for four (Croatia, the Czech Republic, Israel, and Korea) The time intervals for the data vary considerably, with data available for most G-7 and emerging ... FINANCIAL STRUCTURE AND FINANCIAL STABILITY: DESCRIPTIVE ANALYSIS This section describes the impact of a crisis on the level and composition of GDP and the relationship between this impact and corporate ... of Crisis on the Level and Composition of GDP 12 B Corporate Financial Structure and Impact of Crisis on GDP 14 V Corporate Financial Structure and Financial Stability: Econometric Analysis...

Ngày tải lên: 17/12/2013, 05:15

... agricultural land use with farms, mainly cropping rice and fruits Some of the farms maintain small animal husbandries and fishponds Surface water, rain water and ground water are used for the drinking and ... which consists of middle to coarse sand Methods For the appraisal of the surface water and ground water resources water sampling and analyses regarding the chemical and microbiological conditions ... main problems of the surface water bodies are the high amount of suspended solids and hygienically pollutants Conclusions and Outlook Regarding the ground water and the surface water quality...

Ngày tải lên: 16/01/2014, 17:20

... and recent innovations I Figure Extent of financial stability related mandate and clarity of financial stability related objectives Clarity of formal financial stability objective High All mandates ... governance and financial stability Financial stability responsibilities in normal times – pre-crisis arrangements and recent innovations Table I Grounding of financial stability related mandates ... Central bank governance and financial stability Part II: Financial stability responsibilities in times of crisis – pre-crisis arrangements and recent innovations Mandates and powers as they stood...

Ngày tải lên: 16/02/2014, 10:20

... agreements were 19 percent And finally, Treasury and Agency securities were percent and 10 percent, respectively Sponsors are the asset management firms and their parents and affiliates Of course, ... or more accounted for 48 percent and 45 percent of the value of Fund and Fund holdings, respectively The remaining 52 percent and 55 percent of the value of Fund and Fund holdings included holdings ... issued by banks and corporations – commercial paper, bank certificates of deposit, and repurchase agreements Given the importance of short-term credit markets to both investors and businesses,...

Ngày tải lên: 19/02/2014, 14:20

... anisomycin and FBS on actin stress fibers in SMCs and their modulation by toxin B and latrunculin B Cells were first stimulated with either S1P, anisomycin or FBS for 30 and then fixed, permeabilized and ... containing actinomycin D (10 lgÆmL)1) and the cells were harvested after 0, 0.5, 1, and h Total RNA was purified and analyzed by northern blot hybridization and phosphorimaging densitometry The ... the indicated periods and the amount of GTP-loaded RhoA, Cdc42 and Rac1 was determined by pull-down assay as described in Materials and methods Total amount of RhoA, Cdc42 and Rac1 in the same...

Ngày tải lên: 19/02/2014, 16:20

... Bank of New Zealand relies upon disclosure and market monitoring Thailand and Zimbabwe have the only regulating central banks that not also grant and revoke charters, while Hungary and Mexico have ... (Singapore, Ireland and New Zealand) By contrast, 20 of the transition and developing countries’ central banks perform regulatory and supervisory duties In the that not, ie Chile, Hungary, Mexico and Peru, ... monitoring and intervention is reserved for financial institutions in serious trouble Checking that fire extinguishers and alarms are in place and in working order, and that fire breaks and walls and...

Ngày tải lên: 06/03/2014, 10:20

... classes based on their effects on stability and activity parameters of RNase-A Functional stability and activity by osmolytes Results and Discussion Protein stability and enzyme activity have a well-correlated ... compatible both with thermodynamic stability (DGD°) and function, and (b) sugar–methylamine mixtures are attractive candidates to yield amazingly enhanced protein stability and function Thus, different ... advances in understanding the effect of osmolytes on protein stability, folding and the activity of proteins and enzymes, the relationship between protein stabilization by osmolytes and its consequent...

Ngày tải lên: 07/03/2014, 00:20

... mutations from both the stability and activity mutants, and demonstrated a significant improvement in both stability and catalytic activity (Fig 1) As such, the activity and stability mutation combinations ... co-improvement in stability and activity For example, the T1 ⁄ values for AS4 and AS6 were 6.7 and 11.2 °C higher, respectively, and the catalytic activities were improved by 2.8- and 2.0-fold, respectively ... wild-type protein and two mutants, AS4 and AS7, were purified to homogeneity with purification yields of over 40%, and investigated for their stability and activity at temperatures between 40 and 80 °C...

Ngày tải lên: 07/03/2014, 00:20

... apoovorubin and holo-ovorubin are virtually the same as regards structure stability against temperature; they remain stable over 95 °C and are affected only by molar concentrations of urea and guanidinium ... with previous reports on the stability of apo-ovorubin and holo-ovorubin against temperature and chaotropes [13] Other serine protease inhibitors have a similarly high stability, ranging from pH ... buffer at pH and pH Scanning was performed with a nm bandwidth, a 100-nmÆmin)1 scan speed, and a 4s average time Each spectrum was obtained by averaging at least five individual runs, and corrected...

Ngày tải lên: 07/03/2014, 06:20

... warfighting skills – and only forces configured for combat indicate But while northern and central Europe have remained extraordinarily stable, and the eastern Germany, Poland and the Czech Republic ... significant changes in Navy carrier presence and rotation patterns are called for Given the ability to station landbased forces in Europe and the Gulf, and the size and nature of the East Asia theater, ... technological and operational advantages enjoyed by U.S forces for a generation and upon which American strategy depends Finally, and most dangerously, the social fabric of the military is frayed and worn...

Ngày tải lên: 07/03/2014, 10:20

... inter-dealer repos and dealer-to-client repos Figures are outstanding volumes for a moving panel of dealers and might be double counting repos and reverse repos 56 Gorton, Gary B and Andrew Metrick ... impact on asset prices and market dynamics, and thus propagate and amplify financial shocks throughout the financial system (Fontaine and Garcia (2012)) Copeland, Martin and Walker (2011) find ... risk-taking and the build-up of excessive leverage, e.g Gai, Haldane and Kapadia (2011) Goodhart et al (2011), Brumm et al (2011), Stein (2011) and Gorton and Metrick (2010b) Gai, Haldane and Kapadia...

Ngày tải lên: 15/03/2014, 19:20

... (lanes and 3), CD69NG70 (lanes and 5), CD69NV82 (lanes and 7) CD69NS84 (lanes and 9), rat CD69 (lanes 10 and 11) and mouse CD69 (lanes 12 and 13) was performed under nonreducing (even lanes) and ... unusual solubility and stability To assess the solubility and stability of the recombinant preparations of CD69, we concentrated both CD69NG70 and CD69NV82 using a Centricon 10 device, and were able ... solubility and stability among these proteins and allow us to select the human protein containing amino acids Gly70 to Lys199 (and the rat and mouse orthologs) as the most physically and biochemically...

Ngày tải lên: 16/03/2014, 04:20

... charge and steric effects may alter substrate binding and salt sensitivity In this study, the effect of NaCl concentration on the kinetic constants and thermodynamic stability of VsEndA and VcEndA ... mutational and structural investigations, was used to gain an insight into halotolerant adaptation Results Protein production and thermal stability The VsEndA variants Q69N and K71N and the VcEndA ... concentrations and mutations affect the stability and kinetic constants of VsEndA and VcEndA, and found the effects to be striking, especially for VsEndA Thermal stability At 175 mm NaCl, the native...

Ngày tải lên: 16/03/2014, 06:20

... Discussion Understanding and probing protein stability at high temperatures and extreme conditions is relevant for a variety of biochemical and biotechnological applications Intriguingly, the stability ... [2Fe)2S] High pH and [GdnHCl] High pH and [GdnHCl] High pH and [GdnHCl] High pH or [urea] Exposure to oxygen High [GdnHCl] Physiological High pH and [GdnHCl] High pH and [GdnHCl] High pH and [GdnHCl] ... (pH 2.5), 91 °C (pH 4), 114 °C (pH 7), and 90 °C (pH 10.5) (Fig 5) Thus, optimum stability of FdTt to heat also occurs around neutral pH, and the thermal stability is, like the resistance to chemical...

Ngày tải lên: 16/03/2014, 23:20

... Galớ, and M Gertler (2000), Monetary policy rules and macroeconomic stability: evidence and some theory, Quarterly Journal of Economics 115, 147-180 Corsetti, G., and P Pesenti (2000), Welfare and ... demand schedule in a symmetric equilibrium is w= PH mcH , P (18) and the symmetric aggregate production function is X y = yH + yH = l (19) Exchange rates and foreign demand Following Gali and ... domestic rms (17) and (18), the aggregate domestic production function (19), the optimality conditions for domestic and foreign demand for domestically produced goods (10) and (22), the smallness...

Ngày tải lên: 22/03/2014, 17:20