Abstract
The application of nanotechnology in medicine is one of the hot spots now. In this paper, the tumor treatment has carried on the detailed elaboration, from three major treatments called surgery, radiotherapy and chemotherapy. The past treatments and the existing defects of each methods were illustrated, respectively. Then by referring to the relevant literature, what changes the nanotechnology will exert on the three methods were analyzed. In the end, this article presented some shortages and challenges of nanotechnology. According to the research results, nanotechnology can effectively improve the therapeutic effect of the three methods from the following aspects: Firstly, it can improve the accuracy and safety of surgery; Secondly it can enhance the sensitivity of tumor tissues to radiotherapy; Thirdly, it can improve the therapeutic effect of chemotherapy with nano-drugs. In contrast, the low safety and non-standardization of product quality are the main limitations of this technology.
Highlights
The death rate for five leading types of cancer in the United States from 1999 to 2007 are shown below
The death rates for five cancers were stable during this time
For lung, the death rate was much higher than others in the graph [1]
Summary
The death rate for five leading types of cancer in the United States from 1999 to 2007 are shown below. The percentage of deaths from malignant neoplasms, both for men and women in the United States, 2004 are showed as follow Through observing this graph, lung cancer had the highest death rate from cancer, among men (31.3% of all cancer deaths among men) and among women (25.6% of all cancer deaths among women). Traditional treatments for cancer include surgery, radiation and chemotherapy. Nanotechnology is the science and technology of making substances with single atoms and molecules, studying the properties and applications of materials with structural dimensions ranging from 1 to 100 nanometers. It has been used in physics, biology, chemistry and medical. In view of the shortcomings of nanotechnology, corresponding improvement measures and research directions will be proposed
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