Spectrophotometric and electrochemical studies were successfully used in quantitative analysis of Amitriptyline Hydrochloride (ATH) and Nortriptyline Hydrochloride (NTH). Conductometric titration were carried out in equeous solution using iodide and dopamine and serotonine as titrant. Two new methods using spectrophotometry are dascribed for the determination of (ATH) and (NTH) with potassium b...

Green synthesis of nanoparticles supports reuse, reduce and recycle concept towards the environmental friendly synthesis and also produce the good results compare to chemical methods in some of the cases. MgO nanoparticles can be prepared by solution combustion synthesis using citric acid is a fuel. The same citric acid is available in the nature in so many form just like tamarind, lemon and or...

Most dyes constitute a class of electrolytes display ing peculiar properties in their relationship with water. There is a great deal of evidence that dye ions aggregate in aqueous solutions.15 Several methods have been proposed for the study of this phenomenon. Although very promising, vapour pressure osmometry has been almost completely neglected. Milicevic and Eigenmann6 reported the values o...

Azo dyes are widely used in textile, printing, cosmetic, drug and food-processing industries. They are also used extensively in laboratories as either biological stains or pH indicators. The extent of such use is related to the degree of industrialization. Since intestinal cancer is more common in highly industrialized countries, a possible connection may exist between the increase in the numbe...

In this paper, a cloud point extraction method for the determination of trace amounts of Orange II by spectrophotometry is described. The method is based on the extraction of Orange II from aqueous solution using mixed micelles of non-ionic surfactant, Triton X-100 and cationic surfactant cetyltrimethyl ammonium bromide (CTAB) in acidic media. The extracted surfactant rich phase is diluted with...

Degradation of dyes is an important environmental issue. In order to avoid the carcinogenic risks in anaerobic-aerobic biological process for wastewater containing azo dyes, a hemin based biomimetic oxidative degradation of azo dyes was developed. Acid orange 7 (AO7) was selected as the model for azo dye and the high efficient degradation was achieved in hemin/H2O2 system at pH 11.0. Degradatio...

Carrot (Daucus carota), which can be orange, yellow, purple, white and red in color due to the difference pigments it contains, is a very rich food terms of carotene ascorbic acid. In this study, effects exogenous Glutamine (Gln) pre-treatments ( 1, 2, 3, 4 mM) on some germination parameters carrot seeds (orange, purple), are known sensitive salt stress according cultivar, were investigated und...

sour orange is one of native fruits of iran, which are widely used in the food industry, medicine and cosmetics. sour orange peel is rich source of pectin and generally discarded as waste. in this research, response surface methodology (rsm) with box–behnken design was employed to optimize and to study the effects of the independent variables (temperature, time and ph) on the yield of pectin an...

Betulinic acid is a widely available plant-derived triterpene which is reported to possess selective cytotoxic activity against cancer cells of neuroectodermal origin and leukemia. However, the potential of betulinic acid as an antiproliferative and cytotoxic agent on vascular smooth muscle (VSMC) is still unclear. This study was carried out to demonstrate the antiproliferative and cytotoxic ef...

Many of the flavor compounds in citrus fruit are synthesized by oxidation-reduction reactions mediated by enzymes in the fruit. The oxidant in some of these reactions is the coenzyme, NADP. One possible way to regenerate this coenzyme to the active oxidized form is through the enzymic oxidation-reduction reactions involving glutathione and ascorbic acid. A system which degrades ascorbic acid in...