Skip to content

All published articles 1032

Photocatalytic Degradation of Carbon Monoxide (CO) Using Bi2O3 Modified TiO2 Photocatalyst

Nusaiba Islam, Sharmin Jahan Proma, Ashiqur Rahman & Ashok Kumar Chakraborty · International Research Journal of Pure and Applied Chemistry · 2017

TiO2 modified Bi2O3 nanoheterojunction was prepared using maleic acid as an organic linker. TiO2 phatocatalyst cannot perform photocatalytic reaction in the visible region. It only can work in the UV light region because of its band gap 3.2 eV. On the other hand Bi2O3 modified Ti...

Open access Research Article 10.9734/IRJPAC/2017/34828

Simple Synthesis of Sulfonyl Amidine-Containing Glucosidase Inhibitors by a Chemoselective Coupling Reaction Between D-Gluconothiolactam and Sulfonyl Azides

Muhammad Aswad, Junya Chiba, Takenori Tomohiro & Yasumaru Hatanaka · International Research Journal of Pure and Applied Chemistry · 2017

In this report, we describe a simple synthesis of gluconoamidinylsulfones as a new class of potential inhibitors toward glycan processing enzymes. Gluconoamidinylsulfones have a glucose-based sulfonyl amidine skeleton, thus would form a distorted half-chair conformation with posi...

Open access Research Article 10.9734/IRJPAC/2017/34259

Crystal Structure and Thermal Properties of Racemic SrC4H4O6•4H2O Single Crystals

T. Fukami, S. Hiyajyo, S. Tahara & C. Yasuda · International Research Journal of Pure and Applied Chemistry · 2017

Single crystals of racemic strontium tartrate tetrahydrate, SrC4H4O6·4H2O, were grown at 308 K by a gel method using silica gel as the medium of growth. Differential scanning calorimetry, thermogravimetric-differential thermal analysis, and X-ray diffraction measurements were per...

Open access Research Article 10.9734/IRJPAC/2017/34299

Effects of CaCO3 and Kaolin Filler Loadings on Some Mechanical Properties of Poly Urethane Foams

M. B. Dalen & S. D. Mador · International Research Journal of Pure and Applied Chemistry · 2017

In Nigeria, the foam industries basically use CaCO3 as filler in polyurethane (PU) foam manufacture. This has contributed to the high importation of this mineral, thereby, increasing dependency on imported goods. It is for this reason that, kaolin, a clay deposit commonly found o...

Open access Research Article 10.9734/IRJPAC/2017/31143

Structural Modification of Cellulosic Fabric via Esterification Using Jatropha curcas Seed Oil

F. I. Omizegba, K. A. Bello, J. O. Abayeh, H. M. Adamu, D. E. A. Boryo & S. A. Osemeahon · International Research Journal of Pure and Applied Chemistry · 2017

This paper presents the results of x-ray diffraction of a cellulose fabric treated with oils extracted from the seed of Jatropha curcas; the oils were extracted with hexane under reflux while the fabric was purified by scouring, bleaching and mercerization to remove dirt and colo...

Open access Research Article 10.9734/IRJPAC/2017/32685

Murex Turnispina Shell as Catalyst for Bio-diesel Production

M. O. Ekeoma, P. A. C. Okoye, V. I. E. Ajiwe & B. H. Hameed · International Research Journal of Pure and Applied Chemistry · 2017

Excellent heterogeneous catalyst was developed from waste murex turnispina shell and used in the transesterification of waste cooking oil (WCO) with methanol to obtain fatty acid methyl ester (FAME), otherwise known as bio-diesel. Finely ground murex turnispina shell was subjecte...

Open access Research Article 10.9734/IRJPAC/2017/32578

Adsorption of 2, 4 Dichlorophenoxyacetic Acid on Different Types of Activated Carbons Based Date Palm Pits: Kinetic and Thermodynamic Studies

A. M. Youssef, H. EL-Didamony, S. F. EL- Sharabasy, M. Sobhy, Asaad F. Hassan & Roman Buláneke · International Research Journal of Pure and Applied Chemistry · 2017

The removal of 2,4-dichlorophenoxyacetic acid (2,4-D) from waste water was studied by three activated carbon samples (AP21, AZ21 and AN13) prepared from date palm pits (DP) as a precursor and phosphoric acid, zinc chloride and sodium hydroxide as activating agents. Different tech...

Open access Research Article 10.9734/IRJPAC/2017/33073

Synthesis of Novel 1,2,4-triazole-DTC Based Metallo-phosphorous Nanoformulations as Larvicide against Aedes aegypti

Khushbu Gumber, Anjali Sidhu & Devinder K. Kocher · International Research Journal of Pure and Applied Chemistry · 2017

Aims: The present study involved the synthesis of heteroleptic metal complexes and their nanoformulations as potential larvicidal agent. Study Design: Metal complexes nanoformulations. Place and Duration of Study: Department of Chemistry, Punjab agricultural University, Ludhiana,...

Open access Research Article 10.9734/IRJPAC/2017/32958

A Theoretical Study of the Relationships between Electronic Structure and Inhibitory Effects of Caffeine Derivatives on Neoplastic Transformation

Gaston Assongba Kpotin, Gauthier Kankinou, Urbain A. Kuevi, Juan S. Gómez-Jeria & Jean-Baptiste Mensah · International Research Journal of Pure and Applied Chemistry · 2017

A DFT study of the relationships between electronic structure and inhibitory effects of caffeine derivatives on neoplastic transformation was carried out. We obtain one statistically significant equation (R=0.97, R²= 0.94, adjusted R²= 0.92, F(7,34) =71.40 (p<0.00001), SD=0.14...

Open access Research Article 10.9734/IRJPAC/2017/32694

UV Derivative Spectrophotometric Method for Determination of Bisoprolol Fumarate in Bulk and Tablet Formulation

Elsadig H. Rudwan, Amna B. W. E. Mohammed & Ahmed E. M. Saeed · International Research Journal of Pure and Applied Chemistry · 2017

Simple, cost effective, accurate and reproducible UV derivative-spectrophotometric method were developed and validated for the estimation of bisoprolol fumarate in pharmaceutical preparations. Bisoprolol fumarate was estimated at 233 nm in 50% methanol. The beer’s law was obeyed...

Open access Research Article 10.9734/IRJPAC/2017/31256

Activated Periwinkle Shells for the Binding and Recognition of Heavy Metal Ions from Aqueous Media

Kehinde N. Awokoya, Rasheed O. Sanusi, Vincent O. Oninla & Olumuyiwa M. Ajibade · International Research Journal of Pure and Applied Chemistry · 2017

The potential of a low-cost periwinkle shell powder (PSP) for the adsorption of Cr(II) and Zn(II) ions from aqueous media was investigated by batch mode. The PSP produced was chemically activated with 0.1M H2SO4. Scanning electron microscopy, Fourier transform infrared spectrosco...

Open access Research Article 10.9734/IRJPAC/2016/31440

Excitation Wavelength Dependence of Dual Fluorescent Molecules

Firew Tarekegn Gemeda, Mesfin Redi Abshiro & Ahmed Mustefa · International Research Journal of Pure and Applied Chemistry · 2017

The effect of various polar solvents on the absorption and dual fluorescence of 4- (dimethylamino)benzaldehyde (DMABA) was investigated. It was found that in non- polar solvents DMABA shows only one emission band, however in polar solvents second emission band at longer wavelengt...

Open access Research Article 10.9734/IRJPAC/2016/31560

A New RP-HPLC Method for Quantitative Analysis of Atorvastatin Calcium in Bulk and Pharmaceutical Dosage form by Using Design of Experiment Technique Optimization

Elsadig H. Rudwan, Amna B. W. E Mohammed & Ahmed E. M. Saeed · International Research Journal of Pure and Applied Chemistry · 2017

A rapid high-performance liquid chromatography method was developed and validated for the determination of atorvastatin calcium in pharmaceutical dosage forms, and for evaluation of its stability in stress testing. Separation of atorvastatin was successfully achieved on a C-18 co...

Open access Research Article 10.9734/IRJPAC/2016/31250

Effect of Mono and Multivalent Dopants on Electrical Conductivity and Solid-State 1H NMR Spectra of Polyaniline

Akira Kawahara, Shigeyuki Tsuji & Hisashi Honda · International Research Journal of Pure and Applied Chemistry · 2017

Solid-state 1H nuclear-magnetic-resonance (NMR) measurements of polyaniline doped by HClO4, H2SO4, and H3PO4 were performed with magic-angle-spinning (MAS) methods to reveal the effects of protonation on chain arrangements and the electrical conductivity of polyaniline. In this s...

Open access Research Article 10.9734/IRJPAC/2016/31542

Synthesis and Characterization of Polypropylene and CTAB Modified Diatomite Composites

Özkan Demirbaş & Onur Ulus · International Research Journal of Pure and Applied Chemistry · 2017

Polypropylene (PP) has been used extensively in many parts of the industry. The main reason for the frequent use of polypropylene is low cost, easy processing and high performance. Diatomite (D) has superior properties in terms of surface area, thermal conductivity, porosity, par...

Open access Research Article 10.9734/IRJPAC/2016/30960