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May 28th, 2007
The formation of cancer is a relatively straightforward biological process. In our bodies, cells are constantly dieing and new cells regrown to replace those lost. Within the cell are instructions that tell the cell when it should die. This process is known as apoptosis. Cancer occurs when the cells mutate so that apoptosis does not occur and cells continue to grow in an unregulated fashion.
Cancer treatments work by removing the mutated cells. This can be done physically, such as with surgery where the cancerous tumour is cut from the body, by use of radiation to destroy the tumour or chemically, using specific chemotherapy drugs.
Nanotechnology and Cancer Treatment
A great deal of research is underway into using nanotechnology for the treatment of cancer. The cancer treatments can be divided into two main categories:
· Targeted drug delivery
· Physical destruction
This article deals with the physical destruction of cancer.
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