We have studied the static longitudinal polarizability, and first and second hyperpolarizabilities of push-pull conjugated polyenes (NH2-(CH=CH)N-NO2) within finite field scheme. Ab initio methods and density functional theory (DFT) are used to evaluate electron correlation effec...
Open access
Research Article10.9734/AJOCS/2018/41290
Aims: Our primary purpose is investigating the critical role of simple ammonium cations, different substituents and their synergetic effect in the design of efficient pyrazole-derived salts. Study Design: The salts composed of pyrazole-derived anions containing different substitu...
Open access
Research Article10.9734/AJOCS/2018/41128
3-Methyl-4-[3-(3-methoxybenzyl)- benzylidenamino]-4, 5-dihydro-1H-1, 2,4- triazol- 5- onewas synthesized by the reaction of 3-methyl-4-amino-4,5-dihydro-1H-1,2,4-triazole-5-one with 3-(3-methoxybenzyl)-benzaldehyde which was synthesized by the reaction of 3-hydroxybenzaldehyde wi...
Open access
Research Article10.9734/AJOCS/2018/40462
A multi-functional bleaching equipment for laboratory use was developed. The setup allowed the bleaching of four pulp samples at the same time. The bleaching setup works for traditional oxygen and ozone bleaching, using caustic soda and calcium hydroxides as bleaching additive. T...
Open access
Research Article10.9734/AJOCS/2018/40620
Aims: A simple, gradient RP- HPLC method has been developed and validated for Eltrombopag in bulk and tablet formulation. Methodology: The method was validated to meet official requirements including selectivity, stability, linearity, precision and accuracy. Successful estimation...
Open access
Research Article10.9734/AJOCS/2018/40542
Chitosan (CS) reacted with different organic reagents to give CS-CA, CS-CN, and CS-TEOF. CS-TEOF reacted with 2-aminothiophenol, 2-aminophenol, and phenyl hydrazine to give the CSTEOF-ATP, CSTEOF-AP and SCTEOF-PH, respectively. The modified chitosan derivatives represented the N-...
Open access
Research Article10.9734/AJOCS/2018/40345
This review was aimed to highlight the role of ZnO and TiO2 nanoparticles (NPs) as textile protective agents against Ultra Violet radiation. Different synthetic methods of ZnO and TiO2 NPs that affecting their nano size and their ability to absorb UV radiation have been reported....
Open access
Research Article10.9734/AJOCS/2018/40329
Roofing sheets (coloured, colorless and rusted) in Sochia and Demekpe areas of Makurdi Benue state, Nigeria were analyzed to determine the level of heavy metals (Fe Zn, Cu, Pb and Cd) using Atomic Absorption Spectrophotometeric method (AAS). The result ranged from 1.58 mgL – 3.00...
Open access
Research Article10.9734/AJOCS/2018/35442
The surfactant properties of Cissus populnea plant which has been locally recognized as a natural surfactant was assessed in this work. The defatted surfactant extract from the leave, root and stem-bark of Cissus populnea was characterized using FTIR spectroscopy. IR absorption b...
Open access
Research Article10.9734/AJOCS/2018/39509
This current paper studied the effect of variations in deposition voltage on lead sulphide (PbS) thin film, using electrodeposition technique, with zinc plate as the substrate. The result showed an inverse relationship between voltage and the thickness of the film. An inverse rel...
Open access
Research Article10.9734/AJOCS/2017/40415