In recent years the computational chemistry becomes of great importance in many chemical and pharmaceutical scientific fields. Since many of the oxadiazole derivatives have a wide range in biological, and pharmacological activities.Therefore this work involves a theoretical study for two series of oxadiazole derivatives.
Three new antibacterial ligands have been prepared in this work by the reaction of 6-amino penicillanic acid (6-APA) with terephthaladehyde, glyoxal and vanillin to produce L1, L2and L respectively.
This work involves the synthesis of different five, six and seven membered heterocyclic rings starting from different chalcone derivatives. This work is divided into five different parts:
Background:
Hormone therapy is the first targeted therapy also called estrogen suppression therapy often used as an adjuvant therapy to reduce the risk of cancer back after surgery or cancer that has spread. Tamoxifen is used to treat early breast cancer in women who have already been treated with surgery, radiation, and/or chemotherapy. It is used to reduce the risk of developing a more serious type of breast cancer in women.
Magnesium is a reactive element, poor corrosion resistance and highly unstable, which have limited its industrial applications.One of the most effective ways to improve the corrosion resistance of Mg and its alloys is to form a coating on the surface to isolate them from the environment.This can be achieved by forming or applying some type of functional barrier layer. There are several surface coating treatment techniques,including electrochemical plating (electroplating), conversion coating,anodizing, hybrid coatings, and vapor-phase process.
The present thesis consists of four chapters that throws the light on studying the corrosion behavior of`α-brass in the acidic media using the potentiostatic polarization. Each chapter discusses many topics can be demonstrated as following:
1. Chapter one discusses the introduction topics about corrosion, corrosion forms, electrochemical aspects and copper alloys.
2. Chapter two discusses the experimental procedures and techniques about characterization of the pomegranate and red apple peels and the polarization study.
In this study, Heterocyclic Compounds were synthesized by several steps as following:
First step: the 1-[4-(5-Bromo-pentyloxy)-phenyl]-ethanone (B1) was synthesized by treatment of 4-hydroxyacetophenon (A) with 1,5-dibromo pentane in presence of anhydrous potassium carbonate and acetone.
Filtration of waste water accompanied with the oil from the well during the refining process, represents a real problem at some case since it may be the source of bacterial growth.Here in this project, MgO nanoparticles has been prepared by sol- gel method to produce particles with sizes range (40nm), while Ag nanoparticles has been prepared by simple chemical method with sizes range (50.73nm).
This study aimed to extract the crude from corn silk using (99.9% ethanol .80% ethanol and water) solvents then study the effect of those extract on inhibition urease enzyme which causes infection kidney stones
• This study included measurement of blood serum tests (uric acid ,glucose, Albumin ,total protein , Globulin) and kidney function tests among (100) patients (60 male and 40 female) of kidney stone in
Heavy metals, such as mercury (Hg), lead (Pb) and cadmium (Cd) are, widely known of being toxicants, also persistent organic pollutants, such as polychlorinated biphenyls (PCBs) and bisphenol-A (BPA), exposure have been attached to a variety of toxic effects in human.
