HEAVY METAL IONS DETECTION USING GRAPHENE FET DNA SENSOR

Heavy metal ion is defined as a metallic and toxic chemical substances that has
very high density. The example of heavy metal ions are cadmium, mercury, arsenic,
lead and chromium. They are very harmful and can cause many health issues towards
people as they are very easy to enter our body via water, food and air. Although in
very low-dose exposure, they can cause serious health complication. Thus, the
prevention stage like detection of ions is required in order to prevent them from
penetrate into human body.