Aims: To synthesize some isoniazid-derived imines by the condensation of isoniazid (INH) with some substituted benzaldehydes as well as pyridine carboxaldehydes and to determine their structures by spectroscopic methods. Methodology: Isoniazid was mixed with equimolar amounts of...
Open access
Research Article10.9734/IRJPAC/2016/27100
A portion of neem oil was epoxidized using per acid generated in-situ. Polyesterification of crude neem oil (CNO) and epoxidized neem oil (ENO) was carried out using glycerol and phthalic anhydride to synthesize two different alkyd resins; crude neem oil modified alkyd resin (CNO...
Open access
Research Article10.9734/IRJPAC/2016/26098
This study is aimed at preparing collagen fiber from cow hide and to utilize it as cheap, effective and alternative adsorbent against the more expensive and relatively less effective techniques for the removal of Cu(II) ion from aqueous solution and to find a suitable pH, equilib...
Open access
Research Article10.9734/IRJPAC/2016/23392
Although Emodin is a well-known natural antioxidant, not much is documented on how the cleavage of its free O-H bond (non-hydrogen bond donor) is affected by solvation. Herein, we report on a Density Functional Theory (DFT) study of solvent effects on the enthalpy of homolytic an...
Open access
Research Article10.9734/IRJPAC/2016/27385
In this letter, through computational study based on density functional theory (DFT/B3LYP) using basis set 6-31G (d,p) a number of global and local reactivity descriptors were computed to predict the reactivity and the reactive sites on the molecules. The molecular geometry and t...
Open access
Research Article10.9734/IRJPAC/2016/27066
Heterocyclic compounds are acquiring more importance in recent years because of their pharmacological activities. Compounds containing imidazole moiety have many pharmacological properties and play important role in biochemical processes. Imidazole is a natural compound which exi...
Open access
Research Article10.9734/IRJPAC/2016/24493
Aims: To estimate method’s precision of five different analytical techniques when the chemical elemental contents in IAEA A-13 reference material were measured. Methodology: The appraisal of using radionuclide energy dispersive X-ray fluorescence (REDXRF), instrumental neutron ac...
Open access
Research Article10.9734/IRJPAC/2016/26354
TiO2@activated bagasse fly ash nanocomposite (TiO2/ABFA) was prepared and used as a photocatalyst for cadmium and methyl orange dye removal from bi-component pollutant solutions. Various weight ratios of TiO2 to ABFA (1:3, 1:2, and 1:1) were synthesized. Three systems were applie...
Open access
Research Article10.9734/IRJPAC/2016/25911
In this paper, 2,6-di(pyridin-2-yl)pyridin-4(1H)-one was synthesized from ethyl picolinate and acetone via Kröhnke-type reaction. Initially, optimization of the reaction conditions for the synthesis of 1,5-bis(2′-bipyridyl)pentane-1,3,5-trione 2, such as the molar ratio of ethyl...
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Research Article10.9734/IRJPAC/2016/26003
Seven novel 2-amino-6-oxo-3-(piperidinylamidino)-4-aryl-6,7-dihydro-pyrano[2,3-d]-5,7-thiazol derivatives, which are different with the products of 2-amino-3-cyano-6-oxo-4-aryl-6,7-dihydro-pyrano[2,3-d]-5,7-thiazol derivatives in the conventional heating conditions, were synthesi...
Open access
Research Article10.9734/IRJPAC/2016/25957
The synthesis of an air-stable manganese(+I)-primary phosphine complex from fac‑[Mn(CO)3 (CH3CN)3]PF6 and (o-FC6H4)PH2 is described. The X-ray single crystal structure of the manganese (I) complex is reported.
Open access
Research Article10.9734/IRJPAC/2016/25519
New cooling paints were developed by exploiting the vaporization heat of water. These systems were prepared using various ratios of three copolymer components N-isopropylacrylamide (NIPAAm), butyl acrylate (BA), and N,N-dimethylacrylamide (DMAAm). The homopolymer of NIPAAm dissol...
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Research Article10.9734/IRJPAC/2016/25473
Dye sensitized solar cells (DSSCs) have emerged as an efficient third generation solar cells. This is a photo-electrochemical cell where the junction consists of a semiconductor–electrolyte interface. The DSSC was fabricated using TiO2 nanoparticles, wide band gap semiconductor,...
Open access
Research Article10.9734/IRJPAC/2016/24519
Medicinal plants have always played a key part in health care. In fact, plants represent an enormous pool of new, undiscovered, and bioactive molecules. Therefore, ethnopharmacological and ethnobotanical studies are essential to discover new substances for the treatment of diseas...
Open access
Research Article10.9734/IRJPAC/2016/25091
We demonstrated an improvement in efficiency of Dye sensitized solar cells (DSSCs) decorated with silver (Ag) nanoparticles (NPs) through successive ion layer adsorption and reaction (SILAR). The DSSCs employing FTO/TiO2/AgNPs and FTO/AgNPs/TiO2 as photoanodes show remarkably enh...
Open access
Research Article10.9734/IRJPAC/2016/25042