Aims: To study N-acetylglutamate hydrolysis under acidic and basic conditions, using molecular modeling techniques. Study Design: Hydrolysis of N-acetylglutamate was studied under acidic and basic conditions to establish the differences in chemical properties and conditions of...
Open access
Research Article10.9734/IRJPAC/2015/19769
A simple and green room temperature Na2CO3-catalysed three-component reaction of benzaldehydes, malononitrile and phloroglucinol in water to give 2-amino-4H-benzopyrans in 70-96% yields is described. The reaction was tolerated by electron-donating and electron-withdrawing substit...
Open access
Research Article10.9734/IRJPAC/2015/20066
The laboratory study examines the suitability of shrub willow for paper making applications. The shrub willow was harvested, debarked, chopped, sorted and hydrothermal pretreated before sulfate pulping. After pulping a four stage bleaching process followed. The results show that...
Open access
Research Article10.9734/IRJPAC/2015/19131
The interactions of cationic dyes (methyl violet) with anionic surfactant sodium dodecyl sulfate (SDS) was studied in process of solubilization. The critical micelle concentration of the SDS with and without dye was determined by spectrophotometry and specific conductometry metho...
Open access
Research Article10.9734/IRJPAC/2015/19603
Antibody-antigen interactions play a major role in many biological systems and can be used in sensors to capture target molecules. We investigated, as an example, the interaction behaviour of Picloram, a herbicide, which can contaminate fresh water supply, and its corresponding a...
Open access
Research Article10.9734/IRJPAC/2015/19579
The H3PO4-promoted reactions of benzaldehydes, active methylene compounds and urea are reported. Benzaldehydes, ethyl acetoacetate and urea react in the presence of H3PO4 to give substituted pyrimidin-2-ones in 49-84% yields. The three-component reaction failed when either ethyl...
Open access
Research Article10.9734/IRJPAC/2015/20189
In this study samples of soil and water from different villages in the Bahi wetlands were analyzed for radioactivity levels of 226Ra, 232Th and 40K using gamma ray spectrometry. The mean activity concentration of 226Ra, 232Th and 40K in soil were found to be highest in the northe...
Open access
Research Article10.9734/IRJPAC/2015/17747
Adsorption of Manganese (VII) ions from aqueous solution onto a activated orange peels powder as low cost adsorbent has been investigated. The effects of various parameters such as contact time, initial manganese ion concentration, pH, particle size and adsorbent dose on the remo...
Open access
Research Article10.9734/RJPAC/2015/17917
Aims: To synthesize a new aromatic dialdehyde using 1equivalant of 2, 4, 5, 6-tetrachloro-1,3-bis(chloromethyl)benzene and 2 equivalant of 3-hydroxybenzaldehyde. The dialdehyde obtain is to be reacted with 2 equivalant of 2-aminophenol to obtain the corresponding di-imine from th...
Open access
Research Article10.9734/IRJPAC/2015/18611
Aim: To determine the relationship between the volumes of biogas that can be produced using different biomass/water ratios. Study Design: Biogas was produced by the anaerobic digestion or fermentation of plantain leaves. A practical laboratory scale experimental design was used t...
Open access
Research Article10.9734/IRJPAC/2015/18140
Aims: The main objective of the study was designed to screen the phytochemical constituents of the seed of Decalepis hamiltonii Wight & Arn and also to study its effect on blood glucose level of rats. Study Design: Evaluation of Antidiabetic Activity of Ethyl Linoleate. Place...
Open access
Research Article10.9734/IRJPAC/2015/19222
The kinetics of oxidation of Losartan Potassium [LP] by N-Chlorosuccinimide [NCS] in HCl medium is studied spectrophotometrically at 205 nm at 298 K. The reaction rate shows fractional order dependence on [LP], [HCl] and first order dependence on [NCS]. The reaction rate also sho...
Open access
Research Article10.9734/IRJPAC/2015/18332
In a mixture of nitric acid and chloric acid, nitrate has been proven to be the oxidizing agent for the organic matrix to be digested. White precipitates obtained occasionally after microwave-assisted pressure digestion with potassium chlorate in dilute nitric acid solution, have...
Open access
Research Article10.9734/IRJPAC/2015/18714
A simple, sensitive and accurate kinetic spectrophotometric method for the determination of Rizatriptan Benzoate in pure and dosage form is described. The method is based on spectro-photometrically monitoring the oxidation of the drug by a known excess of Chloramine-B in HCl medi...
Open access
Research Article10.9734/IRJPAC/2015/17935
Pyrolytic study of copolymer, i. e., P(S-co-MMA) blended with SnCl4 was performed using inert atmosphere. Five different proportions of polymer-additive blends (additive ratio from 2.5% to 12.5%) were formulated using a common solvent, i. e., acetone. Thermal degradations proceed...
Open access
Research Article10.9734/IRJPAC/2015/18689