A novel polymer based on sorbitol, polyethylene glycol, citric acid has been synthesized using HCl as catalyst. The experimental conditions, order of addition of ingredients, ratio of ingredients, catalyst, time and temperature have been standardized to get desired molecular weig...
Open access
Research Article10.9734/IRJPAC/2015/12459
Solutions of sodium dodecyl sulphate (SDS) and polyvinyl alcohol (PVOH) were used respectively as surfactants in comparative viscosity measurements of pure polyvinyl acetate (PVAc) emulsion, natural rubber (NR) latex and their blends using Ostwald glass capillary viscometer. Resu...
Open access
Research Article10.9734/IRJPAC/2015/7688
The mannich reaction is one of the most important C-C bond formation methods in organic synthesis. The mannich-reaction is employed in the organic synthesis of natural compounds like for instance peptides-nucleotides-antibiotics and alkaloids. Other application are in agroche...
Open access
Research Article10.9734/IRJPAC/2015/13111
Over 100 heterometallic FeCu complexes, from heterodi- to heteropolymeric have been included in this review. The complexes contain the FeCu, Fe2Cu, FeCu2, FeCuMo; Fe3Cu, Fe2Cu2, Fe2CuM (M=Hg or Co); Fe4Cu, Fe3CuTe; Fe4Cu2, Fe3Cu3; FeCu6, FeCu2Ru4; Fe4Cu4, Fe4Cu5; Fe6Cu5 and {FeCu...
Open access
Research Article10.9734/IRJPAC/2015/12290
Assessment of the phytochemical, proximate, vitamins and mineral composition of S. gilo L was undertaken using standard methods. The phytochemical screening revealed that the plant contained tannins, saponins, phenols, cyanogenic glycosides, alkaloids and flavonoids, The results...
Open access
Research Article10.9734/IRJPAC/2015/12484
An easy and cost effective method of synthesis of Li4Fe(CN)6 has been reported. The material, as obtained, has been characterized by UV-VIS, FTIR, powder XRD and SEM-EDX. Cyclic-voltametry and charge-discharge studies were carried out for electrochemical characterization of the s...
Open access
Research Article10.9734/IRJPAC/2015/10924
Fatty acids (FAs) play a major role in many physiological functions and offer various health benefits. Separation and isolation of fatty acids thus, is of great interest. A set of experiments were conducted to evaluate the effectiveness of select transition metal salts in separat...
Open access
Research Article10.9734/IRJPAC/2015/11921
Samples of extracts from Hibiscus sabdariffa calyxes were stored with different preservatives (sodium benzoate, sodium metabisulphite, boric acid and citric acid) for eight weeks and studied forthnightly for change in certain parameters. A sample (control) was also stored without...
Open access
Research Article10.9734/IRJPAC/2015/10940
The bioavailability of lead (Pb), cadmium (Cd) and chromium (Cr) in blood and urine samples of electronic repairers in Kaduna-Nigeria was assessed using Fast Sequential Atomic Absorption Spectrophotometry. The mean blood concentrations of Pb, Cd and Cr in the subjects were 29.33±...
Open access
Research Article10.9734/IRJPAC/2015/12580
A novel fluorescent biosensor with ultra-sensitivity and selectivity for telomerase detection has been designed based on oligonucleotide-adsorption to graphene oxide (GO). This PCR-free method employs fluorescent ssDNA as a probe, which exhibits minimal background fluorescence in...
Open access
Research Article10.9734/IRJPAC/2014/12197