Thermosensitive amino acid derivative with oligoethyleneoxy chains with tunable lower critical solution temperature (LCST) were prepared from L-methyl phenylalaninate and 3,5-diaminobenzoic acid derivative with oligoethyleneoxy chains. The solution properties and the effects of s...
Open access
Research Article10.9734/ACSJ/2016/28842
Single crystals of racemic calcium tartrate tetrahydrate, CaC4H4O6·4H2O, 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 perfo...
Open access
Research Article10.9734/ACSJ/2016/28258
Syzygium guineense leaf and bark are used for the treatment of tuberculosis, chronic diarrhea, cough, dysentery, malaria, amenorrhea, wounds, ulcers, rheumatism and infections. The various compounds in the n-hexane extract of the leaf were analysed by TLC and identified by GC-MS...
Open access
Research Article10.9734/ACSJ/2016/27372
Vergush A. Pivazyan, Emma A. Ghazaryan, Roza S. Shainova, Rafael A. Tavalyan, Armen G. Ayvazyan & Aleksandr P. Yengoyan·Chemical Science International Journal·2016
By functionalization of 4-hydrazinyl-6-methyl-2-(alkylthio)pyrimidines the corresponding acetohydrazides, N-phenylhydrazine-1-carboxamides(thioamides) were obtained. The heterocyclization of the same hydrazides lead to nonfused pyrazolyl-pyrimidines and pyridazinyl-pyrimidines an...
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Research Article10.9734/ACSJ/2016/28201
A prospective study on the synthesis of sulfomethylated urea, thiourea and aniline is presented. Experiments were performed under atmospheric pressure. The obtained products and compositions based thereon can be used as inhibitors of mineral scales. Products were prepared at four...
Open access
Research Article10.9734/ACSJ/2016/26805
It was discovered that an increase in the proportion of secondary fibers has a negative impact on strength and thickness swelling (TS) properties of experimental boards. However, the highest MOR value of 20.0 MPa was found for type 1 board (C1) produced with a 90/10 Wood/Seconder...
Open access
Research Article10.9734/ACSJ/2016/27758
The inhibitive performance of hydroxypropyl cellulose (HPC) and and its combination with potassium iodide (KI) on mild steel corrosion in 0.5 M H2SO4 acid solution was studied using the potentiodynamic polarization, gravimetric measurement technique and theoretical computations....
Open access
Research Article10.9734/ACSJ/2016/28250
M. Abdullah-Al-Mamun, M. Rahman, G. M. Arifuzzaman Khan, M. Helal Uddin, S. M. Abdur Razzaque, J. A. Foisal, M. Hasanuzzaman, S. Rahman & M. Shamsul Alam·Chemical Science International Journal·2016
In this work microfibrillated Cellulose (MFC) was prepared from cotton linter which was collected from a textile mills in Pabna, Bangladesh. MFC was characterized by WAXD, FTIR, SEM and OM measurements. MFC was synthesized by several steps such as alkali treatment, followed by Na...
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Research Article10.9734/ACSJ/2016/27903
Aims: To synthesize and characterize novel ester, amide and ether (from deacetyl) derivatives of xylopic acid. Methodology: Base catalysed ester formation was employed in the synthesis of the esters while direct coupling with HBTU was employed in the synthesis of the amide deriva...
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Research Article10.9734/ACSJ/2016/27962
The potential genotoxicity and cytotoxicity of water effluent from a pharmaceutical industry in Ogidi, Anambra State, Nigeria was evaluated using Allium cepa Linn assay. This is an alternate first-tier assay to experiments on animals for preliminary toxicity screening in accordan...
Open access
Research Article10.9734/ACSJ/2016/27604
It was realized that both boric acid (BA) and secondary fibers (S) from Old Corrugated Container (OCC) negative impact on thickness swelling (TS) properties of boards in water. However, the highest Modulus of Elasticity (MOE) values of both type boards were found at 90/10 Wood/Se...
Open access
Research Article10.9734/ACSJ/2016/27757
It was realized that both boric acid (BA) and secondary fibers (S) from recycled newsprint papers had negative impact on thickness swelling (TS) properties of boards in water. The highest TS value of 48% was observed in both type boards that produced only from 100% secondary fibe...
Open access
Research Article10.9734/ACSJ/2016/27276
The inhibition of mild steel corrosion in 1M H2SO4 solution by Microdesmis puberula leaf extract was studied by weight loss and hydrogen evolution methods. Results obtained show that Microdesmis puberula leaf extract was a good inhibitor of mild steel corrosion in sulphuric acid...
Open access
Research Article10.9734/ACSJ/2016/28419
The aim of this study was to assess the levels of trace metal in soils and leafy vegetables at Ibeno, as a result of crude oil exploration activities in the area. The study areas were Mkpanak, Iwuoachang and Ukpenekang all in Ibeno Local Government Area of Akwa Ibom State, Nigeri...
Open access
Research Article10.9734/ACSJ/2016/27123
New Ruthenium (II) complexes of mixed ligands, hydroxamic acid (L1 = AHA (acetohydroxamic acid) and L2 = BHA (benzohydroxamic acid)) and 1, 10-phenanthroline (phen) were synthesized, characterized by FT-infra red spectrophotometer, UV-visible spectrometer, ESI-mass spectrometer a...
Open access
Research Article10.9734/ACSJ/2016/27299