Essays

Introduction: Gel electrophoresis is an important molecular biology tool: it enables us to study DNA. It can be used to determine the sequence of nitrogen bases, the size of an insertion or deletion, or the presence of a point mutation; …

Introduction: In this experiment, a mixture of two compounds, cyclohexane and toluene, was separated into fractions by the techniques of simple and fractional distillation. The individual fractions that were gathered from the distillation were analyzed using gas chromatography (GC) and …

There are many people in the world today that are drug addicts and cannot quit by themselves which is where the methadone clinics come into the picture. Methadone reduces the withdrawal symptoms therefore making it easier to quit drugs. Even …

Becton Dickinson, merupakan salah satu manufaktur terbesar supplies medis, yang mendominasi pasar suntikan dan jarum suntuikan. Pada tahun 1986, Becton Dickinson memperoleh hak khusus untuk mempatenkan suntikan yang baru di temukan oleh Charles B. Mitchell. Tahun 1988, dengan melakukan beberapa …

Australia is one of the leading countries responding to the global health cost relating to illicit drug use. Australian Governments work collaboratively with organisations and communities to address the social, economic, and health issues faced by illicit drug users and …

The goal of infection control is to prevent the spread of infection from one patient to another patient and to the treating healthcare worker. Prevention of cross infection is the most important aspect of infection control and measures to achieve …

Introduction: Trying to find a good, quantitative procedure that students can use for exploring photosynthesis is a challenge. The standard procedures such as counting oxygen bubbles generated by an elodea stem tend to not be “student” proof or reliable. This …

Magnetic Resonance Imaging (MRI) is a safe and painless test that uses a magnetic field and radio waves to produce detailed pictures of the body’s organs and structures. An MRI scanner is a large doughnut-shaped magnet that often has a …

For Activity A, we first tested enzyme activity. First, we used an H2O2 syringe to transfer 10 mL of H2O2 into an unlabeled 60-mL cup. Then, we used a transfer pipet to add one mL of catalase solution into the …

I Background Boyle’s Law states that the volume of a fixed mass of gas varies inversely with pressure at a constant temperature. II Purpose The purpose of this experiment was to show that the pressure on the air in the …