Mahmoud ABDOU | Head of Department | Professor Doctor - Head of Production Department | Egyptian Petroleum Research Institute, Cairo | EPRI
The rheology behavior of water bentonite suspensions has been studied through recording the viscosity measurements to study the thixotropy of the suspensions using local Egyptian bentonite at 5.0%
Gel fraction increases with doses for all concentrations, and nearly 100% conversion of gel is attained at 5 KGy for homogeneous solutions in the range of 20–50% concentration. On the one hand, total gel fraction not greater than 86% is obtained
Synthesis and characterization of high molecular weight hydrophobically modified polyacrylamide nanolatexes using novel nonionic - CORE
6 and 0.89 · 10 6. ª 2013 Production and hosting by Elsevier B.V. on behalf of Egyptian Petroleum Research Institute. 1. Introduction The water-soluble hydrophobically modified polyacrylamide (HMPAM) has been extensively investigated in the last
Polyacrylamide gels are characterized by two parameters: total monomer concentration (%T, in g/100 ml) and weight percentage of crosslinker (%C). By varying these two parameters, the pore size of the gel can be optimized to yield the best
Running agarose and polyacrylamide gels
The basics. Agarose gels can be used to resolve large fragments of DNA. Polyacrylamide gels are used to separate shorter nucleic acids, generally in the range of 1−1000 base pairs, based on the concentration used (Figure 1). These gels can be
Gel strength of 1.5% agar at 20 C is 70–1000 g/cm 3. The viscosity and the average molecular weight of 1.5% agar at 60 C is 10–100 centipoise and 36–144 kDa, respectively []. 2.1.4. Polyacrylamide Polyacrylamide (PAM) is a water-soluble polymer,
Inverse Emulsion Polymerization for the Synthesis of High Molecular Weight Polyacrylamide and Its Application as Sand Stabilizer
Recipes of solution (S) and emulsion (E) polymerization experiment of acrylamide at 50 C. All quantities are given in grams. The weight average molecular weight was calculated from the GPC and the viscosity average molecular weight was
This recipe is sufficient to cast a 30-ml gel. Adjust volumes for the number and size of the gels being poured. 6 15% Separating Gel 3x BN-Gel Buffer (recipe 4) 5.00 mL Acrylamide/Bisacrylamide 5.63 mL Glycerol 70% 4.38 mL APS, 10% in dH 2 O 42
Adsorption behavior of surfactant-polyacrylamide mixtures with kaolin
Abstract. The adsorption behavior of three surfactants—hexadecylpyridinium bromide (HPyBr), sodium dodecylbenzene sulfonate (SDBS), and Triton X-100 (TX-100)—on kaolin from aqueous solution is monitored as a function of pH. The nature and shape
Preparation of protein samples for SDS-polyacrylamide gel electrophoresis: procedures and tips Anthony C. Grabski 1and Richard R. Burgess2— Novagen, Inc. and 2McArdle Laboratory for Cancer Research, University of Wisconsin-Madison, Madison, WI
Western Blot Troubleshooting | Thermo Fisher Scientific - HK
Most of the nonionic detergents (e.g., Triton X-100, NP-40, and Tween 20 detergents) interfere with SDS- polyacrylamide gel electrophoresis (SDS-PAGE). Keep the ratio of SDS to nonionic detergent at 10:1 or greater to minimize these effects.
buffer is effective when the immediate downstream application is SDS-PAGE (denaturing polyacrylamide gel electrophoresis). The formulation includes two ionic detergents and one nonionic detergent in Tris buffer: 25 mM Tris-HCl, pH 7.6, 150 mM
