Báo cáo vật lý: "Emulsion Polymers of Core-Shell Styrene-Butyl Acrylate: The Effect of Feeding and Aging Time on Particle Size Distribution" pdf

... as all particles fall within the 200–300 nm range. Figure 4: Plot of conversion and particle size as a function of aging time. Table 2: Effect of aging time on the conversion of core-shell ... core-shell to feeding time) . The results of the conversion and particle size to the ratio of the feeding time are given in Table 1. Table 1 shows that as the feeding time of the core and shell ... Conversion and particle size of feeding time. Emulsion Polymers of Core-Shell 124 3.3 Morphology of Core-Shell Styrene-Butyl Acrylate Polymers by TEM Figure 5 shows the TEM of the core-shell...

Tài liệu Báo cáo khoa học: An engineered disulﬁde bridge mimics the effect of calcium to protect neutral protease against local unfolding docx

... kJÆmol)1through the introduction of the disulﬁde bridge (at5mm CaCl2 and 25 ° C) is obtained. The inﬂuence of calcium ions on the unfoldingkinetics The inﬂuence of the calcium ion concentration on unfolding ... as the last one of the four bind-ing sites.From the change of the unfolding rate constantunder extreme conditions of calcium availability, wewere able to estimate the contribution of the ... calculate the con-tribution of the disulﬁde bridge to the increase in the Gibbs free energy of activation of unfolding undernative conditions. Using the linear extrapolation model[27], the rate constant...

Báo cáo toán học: "A calmodulin inhibitor, W-7 influences the effect of cyclic adenosine 3'''', 5''''-monophosphate signaling on ligninolytic enzyme gene expression in Phanerochaete chrysosporium" pot

... report and details of the mechanism, including the effect on 10 Determination of intracellular cAMP level To confirm the effect of W-7, intracellular cAMP levels under the control and W-7-treated ... Further study is required to determine whether the CaM has other functions including post-transcriptional effects on the expression of LiP and MnP. Additionally, lipF regulation, transcription ... consisting of denaturation at 95°C for 5 s and annealing and elongation at 60°C for 30 s. The standard curve of each gene was constructed from real -time PCR results using dilution series of...

báo cáo hóa học:" A calmodulin inhibitor, W-7 influences the effect of cyclic adenosine 3’, 5’-monophosphate signaling on ligninolytic enzyme gene expression in Phanerochaete chrysosporium" pot

... W-7.Intracellular concentration of cAMP following exposure toW-7As mentioned above, W-7 repressed the activity of LiPandMnPandtranscriptionoflip and mnp genes evenin the presence of cAMP and IBMX, ... 2012, 2:7http://www.amb-express.com/content/2/1/7Page 3 of 9(Figure3).InthecaseofadditionofonlyW-7 ,the result was same as in the case of addition of cAMP,IBMX and W-7 (data not shown), which was ... of denaturation at 95°C for 5 s and annealing and elongation at 60 °C for 30 s. The standardcurve of each gene was constructed from real -time PCRresults using dilution series of the PCR product...

Báo cáo hóa học: "A calmodulin inhibitor, W-7 influences the effect of cyclic adenosine 3’, 5’-monophosphate signaling on ligninolytic enzyme gene expression in Phanerochaete chrysosporium" pptx

... production, suggestingthat the increased cAMP concentration affects the transcription of genes encoding LiPs and MnPs via reg-ulation of CaM transcription.DiscussionExpression of all lip and ... in the report and details of the mechanism, including the effect on LiP and MnP transcriptions and the relationship betweencAMP signaling and other signal transduction factors,have yet to be ... 2012, 2:7http://www.amb-express.com/content/2/1/7Page 8 of 9(Figure3).InthecaseofadditionofonlyW-7 ,the result was same as in the case of addition of cAMP,IBMX and W-7 (data not shown), which was...

Báo cáo vật lý: "Analysis of Trace Elements in Teeth by ICP-MS: Implications for Caries" pptx

... the major components of the amalgam (Cu, Zn and Hg) diffuse into the structures of the teeth. Curson and Crocker20 determined the concentrations of Zn and Pb in the pulp of the teeth. Trace ... synchrotron radiation microbeams. They found that the border of the dentine and the pulp contain high concentrations of Ca, Pb and Zn. Pinheiro et al.18 investigated how the environment and dietary ... The information on the concentrations of trace elements present in the pulps of teeth is scarce and contradictory.18–20 Carvalho et al.19 measured the concentrations of Mn, Fe, Cu, Zn and...

Báo cáo vật lý: "Influence of the Silica-to-Surfactant Ratio and the pH of Synthesis on the Characteristics of Mesoporous SBA-15" ppt

... surfactant ratio and the pH of the synthesis gel can greatly influence the characteristics of the resulting materials as they generally control the formation of micelles during the synthesis.8 ... L. (2003). Chemistry of silica at different concentrations of non-ionic surfactant solutions: Effect of pH of the synthesis gel on the preparation of mesoporous silica. Microporous Mesoporous ... aspects of the synthesis processes are involved in developing these porous materials, and they still require greater insight and understanding. A basic understanding of the synthesis conditions...

Báo cáo vật lý: "Decolourisation of Reactive Orange 16 by Activated Carbon and Copper Oxide Catalysts Supported by Activated Carbon" ppsx

... to the high oxidising power of free radicals. Production of these radicals is achieved using either single oxidants or combinations of ozone, H2O2 and UV radiation13 and a combination of ... compared to the modified and the heat-treated modified AC. Decolourisation of RO16 by the Cu catalyst increases in the presence of H2O2 and UV-light. The decolourisation efficiency of the catalyst ... before analysis. The effect of H2O2 and UV light on the decolourisation of RO16 was carried out by adding a fixed amount of 1 M H2O2 solution and irradiating the dye solution with Blak-Ray...

Báo cáo vật lý: "Flexural and Morphological Properties of Epoxy/Glass Fibre/SilaneTreated Organo-montmorillonite Composites Nor Hamidah Mohd" potx

... to enhance the interaction between the clay and the polymer.9 The surface of the MMT is commonly modified with a cation exchange technique to expand the basal spacing and make the layered ... combination of GF and OMMT could provide a synergistic effect on the mechanical and thermal properties and water absorption resistance of E.7, 8 In nature, MMT is likely to stack among the layers ... among the many modification reactions, the silanisation reaction uses alkoxysilanes and exploits the -OH reactive sites of the MMT structure. In this research, we investigate the mechanical and...

Báo cáo vật lý: "Performance of Carbide Cutting Tool when Machining Cast Iron FC 250 in Dry Condition and Using Cutting Fluid" ppt

... with emphasis on mechanisms of wear experienced by the cutting edge. In addition, the effects of other milling parameters were studied; cutting speed (m/min), axial depth of cut (mm) and feed rate ... indicate failure of the cutting edge is dependent on the parameters mentioned above. In dry machining, wear mechanisms were caused by adhesion and micro-attrition at low combination of machining ... Malaysia *Corresponding author: jaharah@eng.ukm.my Abstract: The performance of carbide cutting tool in end milling cast iron FC 250 in dry conditions and when using the cutting fluid...

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