We investigate in this study, the quantum chemical computations of a series of tetrathiafulvalene (TTF) separated by thiophene 1-4 using the DFT/B3LYP method with 6-31G (d,p) basis set. The optimized structures and geometrical parameters were determined by the same method cited a...
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Research Article10.9734/AJOCS/2018/41530
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...
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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...
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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...
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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...
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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...
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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-...
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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....
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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...
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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...
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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...
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Research Article10.9734/AJOCS/2017/40415
Ijeoma Solomon Okoro, Terrumun Amom Tor-Anyiin, John Ogbaji Igoli, Xavier Siwe Noundou & Rui Werner Maçedo Krause·Asian Journal of Chemical Sciences·2018
Aim: Anthocleista djalonensis A. Chev. is a plant with several chemical constituents which accounts for its ethno-pharmacological uses. The present study is aimed at identifying and characterizing the active principles from the roots of the plant. Place and Duration of Study: The...
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Research Article10.9734/AJOCS/2017/37147
The solubility of benzoic acid was determined in six alcohols (isobutanol, n-pentanol, isoamylol, 2-pentanol, tert-amyl alcohol and n-hexanol) from (288.15 to 336.15 K) by the dynamic method. The value of solubility rises with the increase of temperature and the order of solvents...
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Research Article10.9734/AJOCS/2017/39216
The use of different plant parts for the prevention and cure of ailments, infections and diseases as an alternative to the use of orthodox medicine is gaining more attention. Moreso, resistance to orthodox drugs has been confirmed in various literature. The free radical scavengin...
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Research Article10.9734/AJOCS/2017/38036
The ammonium acetate and formate ionic liquids (ILs) were synthesized in the neutralization reaction with different cations of alkanol amine and alkyl amine with formic and acetic acid as an anion. Thin layer Chromatography monitored the reaction and the synthesized six ILs was c...
Open access
Research Article10.9734/AJOCS/2017/38877