Mustafa Lawar, Safia Elbadwe, Ismail Yalçin, Kayhan Bolelli, Hakan Sezgin Sayiner & Fatma Kandemirli·Asian Journal of Chemical Sciences·2019
The pKa values were calculated for some acetoxy group molecules using CBS-Q method which is one of the Complete Basis Set methods to find accurate energies. The acetoxy group molecules were also planned by Quantitative Structure Activity Relationship (QSAR) to study their effect...
Open access
Research Article10.9734/ajocs/2019/v6i218991
The medicinal herb Brachystelma togoense schtlr (Apocynaceae) is used traditionally for treatment of ailments. The secondary metabolites, phaeophytin a, α-amyrin and lupeol were isolated from the CH2Cl2 and MeOH extracts of Brachystelma togoense. The structures were elucidated...
Open access
Research Article10.9734/ajocs/2019/v6i118990
Aims: The aim of the study was to investigate if spruce wood flour can be an alternative cellulosic-based wood additive for papermaking. Place and Duration of the Study: This study was conducted at the State University of New York, College of Environmental Science and Forestry in...
Open access
Research Article10.9734/ajocs/2019/v6i118989
Lecithin based Oil-in-Water (O/W) emulsion finds a lot of applications in food and cosmetic industries. The stability of O/W emulsion depends on properties of the emulsifying solution and the ionic impurities present. The present experiment well explained the role of polyvalent L...
Open access
Research Article10.9734/ajocs/2019/v6i118988
Two complexes of Cu(II) and Ni(II) with the ligand N- (4-methoxybenzylidene) isonicotinohydrazide, having the formula [M(La)2]2+ (M = Cu(II) and Ni(II)) were synthesized. The ligand was synthesized by the condensation of isonicotinic acid hydrazide (isoniazid) with 4- methoxybenz...
Open access
Research Article10.9734/ajocs/2019/v6i118987
In this work a study was performed using UV/Vis spectrophotometer to determine the concentrations of caffeine in coffee, tea and chocolate milk available in local market in Riyadh, Saudi Arabia. Quantitative analysis was carried using dichloromethane as extracting solvent. Result...
Open access
Research Article10.9734/ajocs/2019/v6i118986
The contamination of the world’s water supply due to various contaminants has caused the clean water supply to shrink around the globe. The problem is not only an issue with developing nations; in fact, many developed countries are facing the same turmoil. With the globalization,...
Open access
Research Article10.9734/ajocs/2018/v5i318984
Background and Objective: Endothelial nitric oxide synthase gene polymorphism (eNOS) is one of three isoforms that synthesize nitric oxide (NO), that participates in several biological processes have been associated with obesity. This study was undertaken to determine if eNOS ge...
Open access
Research Article10.9734/ajocs/2018/v5i218981
This laboratory handsheet and Fourdrinier pilot paper machine study examine the suitability of willow as a commercial hardwood pulp replacement including utilizing recycled pulp for paper production. The hand sheet study contains 16 different and the pilot paper machine study eig...
Open access
Research Article10.9734/ajocs/2018/v5i218980
In this paper, the esterification reaction for a batch reactor between adipic acid (AA) and 1,6-hexanediol (1,6-HD) catalyzed by tetrabutyl titanate (Ti(OBu)4) was studied in the temperature range of 413-443 K. A kinetic model based on the assumption of 3.5-order reaction was pro...
Open access
Research Article10.9734/AJOCS/2018/46013