توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱Two–Dimensional Electrophoresis Protein Profiling Of BHK Cells Infected By Rabies Virus Utilizing a Prefractionation Method
نویسنده(ها): ، ، ،
اطلاعات انتشار: سال
تعداد صفحات: ۴
Proteomic approaches to biological research that will prove the most useful and productive require robust,sensitive and reproducible technologies for both the qualitative and quantitative analysis of complex protein mixtures. Prefractionation of complex protein mixtures is an efficient method in order to increase the separation power of twodimensional electrophoresis (2DE). We were utilized Reverse Phase High Performance Liquid Chromatography (RPHPLC) for prefractionation followed by 2DE. A step gradient elution of cell lysate was improved to yield properly resolved fractions for subsequent analysis by 2DE. Utilizing this prefractionation step showed improved resolving power up to 20 percents.<\div>

۲Interaction of Cu (II) 5–(Hexadecyl pyridynium–4–yl)–10, 15, 20–tris (Butyl Pyridynium–4–yl) Porphyrin with anionic surfactant
نویسنده(ها): ،
اطلاعات انتشار: همایش ملی مهندسی شیمی، سال
تعداد صفحات: ۷
Spectroscopic characterization of porphyrins interacting with different micelles has attracted the interest of many researchers in the last decades incorporation of porphyrins in micelles dramatically influences their aggregation mode [4]. Porphyrin aggregates studied by several techniques such as UV\vis absorption spectroscopy by observing spectral shifts in the Soret band from monomers to the red region (J–aggregates) or to the blue (H–aggregates); resonance light scattering (RLS) which displays enhancement of light scattering intensity due to aggregated forms, whereas the monomeric porphyrin does not show RLS effect. In this study an attempt is made to gain more insight into the nature of interaction of a watersoluble porphyrin with biological structure using simplest model for membrane in the aqueous solution of ionic micelle (SDS) [4].Interactions of the water soluble Cu (II) 5–(Hexadecyl pyridynium–4–yl)–10, 15, 20–tris (Butyl Pyridynium–4–yl) Porphyrin (CuMHxTB), with ionic micelle in aqueous solutions have been studied by optical absorption and resonance light–scattering (RLS) spectroscopy .The presence of three different species of Cu(II)MHxTB in anionic sodium dodecyl sulfate (SDS) solution has been demonstrated: free metalloporphyrin monomers, and metalloporphyrin–surfactant aggregates (at below the SDS critical micelle concentration (CMC)), micellized monomer(at upon the (CMC)).<\div>

۳FRP Retrofitting of Reinforced Concrete Beam–Column Joints
نویسنده(ها): ، ،
اطلاعات انتشار: چهارمین کنفرانس بین المللی مقاوم سازی، سال
تعداد صفحات: ۱۲
Fibre reinforced polymer (FRP) has been widely used for retrofitting\upgrading of reinforced concrete joints. The efficiency of this composite system in enhancing the performance of deficient RC joints has been proven in past studies. Relocating plastic hinge from the column face toward the beam is accounted as one of the most effective methods for upgrading of RC beam–column joints which could prevent the formation of undesirable weak–column strong–beams mechanism. This study is conducted in order to investigate the effectiveness of FRP retrofits in improving the performance of the beam to column joints through the relocation of plastic hinges away from the beam–column connections. The studied joints are selected from the RC frames designed based on intermediate ductility levels. The well–known finite element software, ANSYS, is employed to carry out the nonlinear finite element analysis. Different configurations of FRP application including a novel configuration at beam–column joints are assessed and the efficiency of each composite architecture in relocating the plastic hinge is discussed. The parameters studied for each technique are the thickness of FRP and the length of FRP. The results show that the proposed configuration is not only capable of relocating plastic hinges and improving the load carrying capacity of the joints but also prevents the premature failure of de–bonding. The latter also has been proven by the experimental tests<\div>

۴Recycling of used tires as an adsorbent for the removal of Parachlorophenol from aqueous solutions: Characterization, adsorption and equilibrium studies
نویسنده(ها): ، ، ،
اطلاعات انتشار: دومین کنفرانس بین المللی مدیریت پسماند بازیافت و بیومس، سال
تعداد صفحات: ۲۳
Parachlorophenol has an extended usage in refineries, petrochemical industries, insecticide and herbicide manufacturing industries. The purpose of this study is determination of optimum adsorption parameter of 4–chlorophenol by carbon adsorbent. Activated carbon was made in laboratory conditions by using pyrolysis furnace in 750◦C for 2.5 hours. Scanning Electron Microscope (SEM) was used for determining structural characteristics of the activated carbon produced from recycled used tires and BET isotherm was used to find out its special surface. The structure of produced activated carbon in this study has a special surface of 111.702 m2\g. The internal diameter of holes was 1.54 nm and the total volume of them was 0.124 cc\g. The removal efficiency was reduced from 88.59% to 69.25% by changing the pH from 3 to 9. In addition, the efficiency was reduced from 88.59% to 75.95% when the primary concentration of Parachlorophenol increased from 10 mg\L to 60 mg\L. On the other hand, changing the temperature from 10 to 30◦C increased it from 65.86% to 74.53%. Moreover contact time had direct impacts on the removal efficiency. The results conform Freundlich isotherm (R2 =0.9958). The efficiency of Parachlorophenol removal would be decreased by increasing pH and concentration of the pollutant, and would be increased by adding temperature and contact time. As a conclusion, because of the cheapness of recycled tiers, the produced activated carbon from them can be used as an effective and low–cost method for Parachlorophenol removal from aqueous solutions.<\div>
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