Twenty-one novel chromophoric chain β-substituted butadienyl asycyanine colorants have been synthesized by catalytic condensation of (i) dimethylaminostyryl phenyl ketone, (ii) 4ʹ-dimethylaminostyryl-4ʹ-nitrophenyl ketone and (iii) 4ʹ-dimethylaminostyryl-4ʹ-methoxyphenyl ketone w...
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Research Article10.9734/CSJI/2019/v26i230090
A very simple, ultra-sensitive and highly selective non-extractive spectrophotometric method for the determination of trace amounts of lead using 5,7-dibromo-8-hydroxyquinoline (DBHQ) has been developed. DBHQ reacts in a slightly acidic (0.0006-0.0025 M HCl) aqueous solution with...
Open access
Research Article10.9734/CSJI/2019/v26i230087
Red Onion skin extract (ROSE)- azo compound of 2-aminophenol and Cu (II) metal complex of the azo compound (Cu-APmROSE) were formed and characterized using FT-IR spectroscopy, UV-Visible absorption spectroscopy and Scanning electron microscopy. The IR Spectra showed the values of...
Open access
Research Article10.9734/CSJI/2019/v26i230086
This study was carried out to examine the alkaline solvolysis of pigmented postconsumer polyethylene terephthalate (PET) in solutions of C1 – C3 primary alcohols via microwave heating. The effect of various process parameters such as flake pigmentation, time and sodium hydroxide...
Open access
Research Article10.9734/CSJI/2019/v26i130082
Gazala Mohamed Ben-Hander, Ashraf Ahmed Ali Abdusalam, Bahruddin Saad, Ahmad Makahleh & Salizawati Muhamad Salhimi·Chemical Science International Journal·2019
A method for the determination of metformin hydrochloride (MH) in pharmaceutical formulations by capillary electrophoresis with capacitively coupled contactless conductivity (C4D) detection was investigated. The separation was achieved under normal polarity mode at 17.5°C, 30 kV,...
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Research Article10.9734/CSJI/2019/v26i130081
Ionic liquid (IL), 1-dodecyl-3-methylimidazolium-3-hydroxy-2-naphthoate (C12mimHNC) was synthesized and coated on the surface of NiTi as solid phase microextractiom fiber coating for determination the octadecylamine in brine. Prior to modification with IL, the NiTi was hydrot...
Open access
Research Article10.9734/CSJI/2019/v26i130080
For two decades and beyond, remarkable progress has been made in the use of chemical vapour deposition methods for comprehending 2D materials growth. This review is aimed at providing an overview of several synthesis, characterizations and applications of large area graphene film...
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Research Article10.9734/CSJI/2019/v26i130079
Bee venom (BV) has a long history of use in Korea for the relief of pain symptoms and for the treatment of various inflammatory diseases, including rheumatoid arthritis. There is some evidence for the underlying mechanisms involved in the venom’s anti-inflammatory and analgesic a...
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Research Article10.9734/CSJI/2019/v26i130078
Heavy metal concentration in roadside soil and plants are increasingly becoming of health concern. This work determined the concentration of selected heavy metals (Cd, Pb, Zn, Cr, Fe, Mg, Mn, Co, Ni and Cu) in roadside soils and plants samples from selected sites (Plaifu, Shiwa,...
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Research Article10.9734/CSJI/2018/v25i430076
This study was carried out to determine the levels of available nutrient parameters present in leachates from some selected dumpsites in Port Harcourt metropolis. Leachates from the 3-selected dumpsites were analyzed and compared with the seasons, controls and established standar...
Open access
Research Article10.9734/CSJI/2018/v25i430075
Microcrystalline celluloses (MCC) were prepared from α-celluloses obtained from fluted pumpkin stalk and pod. The substrates were subjected to treatment with 2% (w/v) NaOH, 3.5% (w/v) NaOCl and 17.5% (w/v) NaOH solutions respectively to obtain alpha celluloses. Acid hydrolysis of...
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Research Article10.9734/CSJI/2018/v25i430074
Synthetic polyelectrolytes are currently the most used ones in the industry on account of the following advantages: structuration according to specific requirements, greater purity, higher quality, stability and greater efficiency compared to natural ones; they do not add insolub...
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Research Article10.9734/CSJI/2018/46483
Use of botanical environmentally friendly and biodegradable insect repellants as opposed to chemical insecticides is increasingly becoming important as an alternative method of insect control. Housefly (Musca domestica L.) has potential of transmitting pathogen causing diseases s...
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Research Article10.9734/CSJI/2018/46383
The actions of Phenacetin (N-(4-Ethoxyphenyl) acetamide) on the sensory tracts of the spinal cord has exposed its biological importance. It has been observed to be a non-opioid analgesic. The derivatives of Phenacetin were calculated using quantum chemical calculation and the des...
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Research Article10.9734/CSJI/2018/46237
Red Onion skin extract (ROSE) -azo compound of 2-aminobenzoic acid and Iron (III) metal complex of the azo compound (Fe-ABmROSE) were synthesized and characterized using FT-IR spectroscopy, UV-Visible absorption spectroscopy and Scanning electron microscopy. The IR Spectra showed...
Open access
Research Article10.9734/CSJI/2018/45361