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Facile surface modification of nanoprecipitated calcium carbonate by adsorption of sodium stearate in aqueous solution

Mutagen Formation Potential of Composite Samples Prepared by Biodegradation of Agricultural Chemicals

Mutagen Formation Potential of Composite Samples Prepared by Biodegradation of Agricultural Chemicals

... mg-AC/L of aqueous solution, 100 mg of AC was dissolved into 2 mL of ethanol and 400 µL of the solution was then added to 2 L of distilled water. The composite sample was prepared by subjecting ... mutagenicity, with MR values of 2.0 and 2.1. This indicated that in the measurement of AC-decompositions’ MFP, the MFP of the composite samples should be attained by subtracting 1.0 in MR value from the ... mutagenicity. INTRODUCTION Tap water in Japan is among the safest in the world. However, the toxicity of disinfection by- products (DBPs) produced by chlorination during the water purification...
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Tài liệu Báo cáo khoa học: Insights into the interaction of human arginase II with substrate and manganese ions by site-directed mutagenesis and kinetic studies Alteration of substrate specificity by replacement of Asn149 with Asp docx

Tài liệu Báo cáo khoa học: Insights into the interaction of human arginase II with substrate and manganese ions by site-directed mutagenesis and kinetic studies Alteration of substrate specificity by replacement of Asn149 with Asp docx

... betweenarginine and agmatine. Agmatine, which results fromdecarboxylation of arginine by arginine decarboxylase,is a metabolic intermediate in the biosynthesis of putrescine and higher polyamines ... by agmatine in E. coli agmatinase and l-arginine in B. caldoveloxarginase [37], indicating that the substrate specificity of these enzymes rely mainly in substituents at C-a.This has been, in ... group of arginine were also operativefor arginase II, both the lack of arginase activity aswell as the resistance of the Asn149Asp mutant toinhibition by l-arginine, would be explained by elec-trostatic...
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Báo cáo khoa học: Differential recognition of heat shock elements by members of the heat shock transcription factor family ppt

Báo cáo khoa học: Differential recognition of heat shock elements by members of the heat shock transcription factor family ppt

... proteins, andincreased accumulation of HSPs is essential for sur-vival of cells exposed to protein-damaging stresses,including heat shock. The structure of HSF comprisesa conserved DNA-binding ... constitutiveexpression of SV40p–LUC reporters containing contin-uous HSEs, but the levels of activation for reporterscontaining discontinuous HSEs were less than twofold(Fig. 3C). The reporter gene expression in ... of protein) of YYY49 and YYT42 con-tained approximately 1 and 2 ng of hHSF2, and those of YYT50 andYYT17 contained approximately 0.01 and 0.1 ng of hHSF4, asjudged by the intensity of each...
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Báo cáo khoa học: Functional transitions of F0F1-ATPase mediated by the inhibitory peptide IF1 in yeast coupled submitochondrial particles pdf

Báo cáo khoa học: Functional transitions of F0F1-ATPase mediated by the inhibitory peptide IF1 in yeast coupled submitochondrial particles pdf

... inhibited by IF1 in a reactivation mediumcontaining a limited concentration of IF1 (0.5 lM). Fig. 5Aindeed shows that in FCCP-containing medium, IF1-pretreated SMP were initially fully inactive ... terminalparts of curves b and c). In the experiment shown in Fig. 1 curve d, inhibition by IF1 was studied using SMP in the presence of malonate,which fully inhibited the respiratory chain (control ... concentration and rate of IF1binding to isolated bovine MF1subcomplex [31]. In this work, we have investigated the in uence of D~lHþon IF1-mediated inhibition, using yeast IF1 and coupled...
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Báo cáo khoa học: Induction of PAI-1 expression by tumor necrosis factor a in endothelial cells is mediated by its responsive element located in the 4G/5G site ppt

Báo cáo khoa học: Induction of PAI-1 expression by tumor necrosis factor a in endothelial cells is mediated by its responsive element located in the 4G/5G site ppt

... findingssuggest a common mechanism by which these signalingpathways lead to the induction of PAI-1 in endothelialcells. Interestingly, PAI-1 upregulation by TGF-b hasalso been shown to involve ... by obtaining melting curveprofiles.Assay of intracellular oxidative stressHUVEC of fewer than three passages were cultured in 35 mm dishes (Corning, NY, USA) coated with 0.1%(w ⁄ v) gelatin. ... blocked by antioxidants, it appears that the generation of ROSmay be involved in the induction of PAI-1 expression by TNFa via the activation of NF-jB.ResultsUpregulation of PAI-1 expression in...
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báo cáo hóa học:

báo cáo hóa học: " Anandamide inhibits Theiler’s virus induced VCAM-1 in brain endothelial cells and reduces leukocyte transmigration in a model of blood brain barrier by activation of CB1 receptors" pdf

... of injection, immunostained for VCAM-1. Arrows indicate VCAM-1immunostaining. Scale bar is 50 μm. (B, D) Quantification of intensity of VCAM-1 staining as described in Material and methods in ... not detected, by immunohistochemistry, in thebrains of sham animals in both type of mice, Cnr1+/+orCnr1-/-. The intracranial injection of TMEV induced theexpression of VCAM-1 in the ipsilateral ... effects of anandamide (AEA) in the regulation of VCAM-1 expressioninduced by Theiler’s virus (TMEV) infection of brain endothelial cells using in vitro and in vivo approaches.Methods: i) in vitro:...
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Báo cáo hóa học:

Báo cáo hóa học: " Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pot

... structure involving mobile-charged species in terms of the Maxwell-Wagner relaxation [5]. Internal interfaces in the polycrystalline CCTO give rise to the polarization in the insulating grain boundary ... distribution of the nanoparticles in the matrix of the composites. The surfaces of the CC3.1TO samples showed a duplex microstructure consisting of coarse grains (average grain size of approximately ... movement during the sintering process and, as a result, inhibit grain growth. The Knoop hardness values of the samples as a function of Al2O3 content are illustrated in the inset of Figure...
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Báo cáo hóa học:

Báo cáo hóa học: " Promotion of allergic immune responses by intranasally-administrated nanosilica particles in mice" pot

... also observedthat induction of oxidative stress by nanosilica particlesis decreased by surface modification of nanosilica parti-cles (unpublished data). Therefore, surface modification might ... mechanism by which nSP30 elicited animmune response, we analyzed the profiles of cytokinesreleased from splenoc ytes of OVA-exposed mice. Thesplenocytes were cultured in the presence of OVA in vitro, ... from Minister of the Environment; and by a theKnowledge Cluster Initiative; and by Food Safety Commission; and by TheNagai Foundation Tokyo; and by The Cosmetology Research Foundation;and by...
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báo cáo hóa học:

báo cáo hóa học:" Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pdf

... structure involving mobile-charged species in terms of the Maxwell-Wagner relaxation [5]. Internal interfaces in the polycrystalline CCTO give rise to the polarization in the insulating grain boundary ... distribution of the nanoparticles in the matrix of the composites. The surfaces of the CC3.1TO samples showed a duplex microstructure consisting of coarse grains (average grain size of approximately ... movement during the sintering process and, as a result, inhibit grain growth. The Knoop hardness values of the samples as a function of Al2O3 content are illustrated in the inset of Figure...
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báo cáo hóa học:

báo cáo hóa học:" Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pot

... structure involving mobile-charged species in terms of the Maxwell-Wagner relaxation [5]. Internal interfaces in the polycrystalline CCTO give rise to the polarization in the insulating grain boundary ... microstructure, consisting of coarse and fine grains, while the nanocomposites showed mainly fine grains in their microstructure due to the fact that the additive inhibited grain growth. The additive ... pressed into pellets at a pressure of 60 MPa. The PVA binder was burnt out at 550°C with a heating rate of 1°C/min. Finally, the pellets were sintered at 1,025°C for 6 h with a heating rate of 5°C/min....
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