Determination the optimal mix design plays an important role in order to gain the maximum characteristic strength. This research was conducted as a case study for Manjil tunnel project located in Qazvin-Rasht highway. For this purpose, 18 concrete mix designs were prepared at the study phase of the project with specifications such as conventional water-to-cement ratios of 0.4, 0.5 and 0.6, the ...

1. The interaction of electron-transporting particles from heavy mitochondria of ox heart with several fluorescent probes was examined. 2. 1-Anilinonaphthalene-8-sulphonate and 2-(N-methylanilino)naphthalene-6-sulphonate both show an energy-dependent response. 3. Energy transfer between the electron-transporting particles and the dyes and the kinetics of the dye-particle interaction were studie...

Nowadays, workability is absolutely necessary for piping concrete, which influenced by characteristics of structure fresh cement paste. In this paper, the movement particles in electric field and flocculent units at different W/C were observed, rheologic paste pastes with naphthalene sulphonate (NS) poly carboxylate (PC) superplasticizers investigated using rotational viscometer (NXS-11A). It f...

In addition to their catalytic functions, cytosolic glutathioneS-transferases (GSTs) are a major reserve of high-capacity binding proteins for a large variety of physiological and exogenous non-substrate compounds. This ligandin function has implicated GSTs in numerous ligand-uptake, -transport and -storage processes. The binding of non-substrate ligands to GSTs can inhibit catalysis. In the pr...

The dimeric enzyme creatine kinase from rabbit muscle was treated with three derivatives of iodoacetamide that are capable of introducing fluorescent groups into the enzyme. All the three reagents (4-iodoacetamidosalicylate (IAS), 5-[N-(iodoacetamidoethyl)amino]-naphthalene-1-sulphonate (IAEDANS) and 6-(4-iodoacetamidophenyl)aminonaphthalene-2-sulphonate (IAANS)) were shown to react at the same...

The changes of binding and fluorescent parameters of 1-anilino-8-naphthalene sulphonate (ANS) bound to lymphocyte membrane after irradiation in vitro were investigated. No significant dose dependence was found for either fluorescence or its polarization within the dose range of 0.1 to 0.7 Gy from a gamma-neutron field 252Cf source. Marked changes were however found for parameters of ANS binding...