Guanine

1. Introduction: Squamous cell carcinoma of the head and neck (SCCHN) can be ranked as the sixth leading cancer by incidence worldwide (1,2). Every year, there are more than 550,000 patients diagnosed with head and neck cancers worldwide and around 300,000 related deaths (3). Squamous cell carcinomas represent 90% of cases and mostly arise from the epithelial lining of the oral cavity, oropharynx, larynx, and hypopharynx. SCCHN can be divided into three stages: early stage (I/II), locally…

ABSTRACT Vitamin d is organic substance necessary in our diets for growth and development of our body. Vitamin c prevents cancer and cold. Vitamin c is present in citrus fruits . Heating effect on fruit juices were tested how they effcts on ascorbic acid present Deficiency of vitamin c is very rare in western countreis . But it is still liable in alcoholic and drug addicts .whose diet hardly includes vitamin mainly found in poor peopl. Vitamin c is no doubt important for our health but we can…

INTRODUCTION Oral Controlled Release Drug Delivery Systems1, 2: Oral controlled release drug delivery is a drug delivery system that provides*give the continuous oral delivery of drugs at predictable and reproducible kinetics for a predetermined period throughout the course of GI transit and also the system that target the delivery of a drug to a specific region within the GI tract for either local or systemic action. All the pharmaceutical products formulated for systemic delivery via*throw…