Showing papers in "Journal of Saudi Chemical Society in 2012"

TL;DR: In this paper, the authors summarize data reported in literature for application of nano-sized catalyst in our daily life which are useful for human beings and discuss improvement in catalytic properties due size of catalyst reduced to nano scale.

TL;DR: In this paper, a Schiff base derived from indole-3-carboxaldehyde and m-aminobenzoic acid was synthesized and characterized by elemental analysis, molar conductance, IR, UV-Vis, magnetic moment, powder XRD and SEM.

TL;DR: The recent development in peptide coupling reagents is summarized and no versatile coupling reagent useful for both amide and ester bond formation, as well as for solution and solid-phase peptide synthesis has been yet developed.

TL;DR: In this paper, the adsorption behavior of Rhodamine B dye from aqueous solutions was investigated onto the cation-exchange resin, Duolite C-20 (hydrogen form).

TL;DR: Antioxidant study showed that Propolis ethanolic extract was a more potent antioxidant than C. sativus extract, and both extracts were non-toxic, as they did not cause any mortalities or signs of toxicity in mice when administered orally at doses up to 5 g/kg b.wt.

TL;DR: In this paper, the authors report on the effect of both, water pH and the presence of surfactant molecules (anionic, cationic or non-ionic) on the stability of an Algerian crude oil (Haoudh el Hamra well) aqueous emulsion prepared by a mechanical agitation procedure.

TL;DR: In this article, six fungal isolates belong to Aspergillus niger, Penicillium spp., and Pleurotus osstreatus were used for decolourization activities of some acid and reactive dyes, after they screened for optimum efficiency and the condition for temperature and pH were optimized.

TL;DR: In this article, the effect of calcination temperatures on dry reforming catalysts supported on high surface area alumina Ni/γ-Al 2 O 3 (SA-6175) was studied experimentally.

TL;DR: In this paper, the linear attenuation coefficients of barite concrete were measured using gamma spectrometer that contains a NaI(Tl) detector and 16k channel MCA, and it was found from this measurement that the chemical media decreased the particle attenuation coefficient of the concrete and the barite rate is important for concrete production.

TL;DR: In this paper, photocatalytic decolorization of BGY, an anionic dye, has been investigated in TiO 2 and ZnO aqueous dispersions under UV-light irradiation.

TL;DR: In this paper, a review on the processing techniques of inorganic-organic hybrid nanocomposites and their natural reactivity is presented, where three different types of matrices are discussed in general, and the perusal of this review enables the researchers to design a novel and simple route in processing the hybrid nano-composites.

TL;DR: The bioactivity of the essential oil extracted by hydrodistillation from Lantana camara leaves was assessed under laboratory conditions as discussed by the authors, and the tested essential oil showed good fumigant activity within 1 week of exposure for all tested doses.

TL;DR: In this article, a bipyrazolic compound named N, N -bis (3-carbomethoxy-5-methylpyrazol-1-ylmethyl) cyclohexylamine (BiPyA) was used as an effective inhibitor of copper corrosion.

TL;DR: The results of experimental investigation on the study of dissolution kinetics of a Nigerian galena ore in hydrochloric acid solution were discussed in this article, where the influence of acid concentration, temperature, particle size, stirring speed and solid/liquid ratio on the extent of dissolution was examined.

TL;DR: In this paper, the photostabilization of polystyrene (PS) films by 2-N-salicylidene-5-(substituted)-1,3,4-thiadiazole compounds was investigated.

TL;DR: In this paper, the major and trace element contents of Na, K, Cu, Fe, Zn, Mn, Ca, Mg, Cr, Ni, Pb, Se, As and Cd in six herbal drugs were determined by ICP-AES.

TL;DR: The proposed method was successfully applied to the content uniformity testing of tablets and for determination of clop- idogrel in presence of its co-administered drug, acetyl salicylic acid.

TL;DR: In this article, 1,3-diphenyl-propenone was used as key starting chalcone to react with different active methylene reagents under phase-transfer catalysis condition.

TL;DR: In this article, an expeditious synthesis of 2-aryl-benzimidazoles by condensation of o-phenylenediamine with various araldehydes is described.

TL;DR: In this article, a rapid, sensitive and selective method for the determination of nickel based on the rapid reaction of nickel(II) with 5-(4′-chlorophenylazo)-6-hydroxypyrimidine-2,4-dione has been developed.

TL;DR: An optimized reaction condition for the microwave promoted synthesis of newer 3-thiazole substituted 2-styryl-4(3H)-quinazolinone derivatives is described, which have been screened for their in vitro antibacterial and antifungal activities against Escherichia coli, Pseudomonas aeruginosa, Bacillus megaterium, and Aspergillus niger.

TL;DR: In this article, the photostabilization of poly(methyl methacrylate) (PMMA) films by Schiff bases of 2,5-dimercapto-1,3,4-thiadiazole compounds was investigated.

TL;DR: Wang et al. as mentioned in this paper used ICP-MS to detect mineral elements in wheat, millet, corn, soybeans, and corn from Beijing market of China using the RSDs (relative standard deviation) range from 085% to 352% and the detecting limits range from 1 3 to 085μg/L.

TL;DR: In this article, the synthesis of novel achiral and chiral amides incorporating 1,3,4-oxadiazole ring are reported. All the synthesized amides are characterized 1 H, 13 C, FTIR and elemental analysis techniques.

TL;DR: In this paper, some toxic metal ions have been trapped in hardened CMs and OPC and they have been leached with deionized water and acetate buffer to achieve maximum retention (∼99%) of ions, whereas when buffer solution is used to leaching, most of the ions except Cr2O72- (75-89%) show only 20-45% retention.

TL;DR: In this paper, the redox behavior of Cd(II) with cyclic amino acid, pro- line, have been studied in 0.1 M KCl, 0.4 M NaClO4 and acetate buffer of different pH.

TL;DR: In this article, various oxime-ether derivatives of cholesterol were synthesized by alkylation of the steroidal oxime with 1-(2-chloroethyl) pyrrolidine hydrogen chloride/chloroethylamine hydrochloride in the presence of sodium methoxide in dry methanol.

TL;DR: This article has been retracted at the request of the Editor-in-Chief because of excessive self-citations of the author in various articles submitted to the journal.