Abstract
This paper overviews the application of Nano systems in the diagnosis of cancer. The biophysics and the biochemical reactions in the process of detecting the cancer is discussed here. The various methods in the detection of cancer cells is summarized. Before the anatomic abnormality is detected, the cancer detection is very important. The methods of detection which consumes less time and which are cost effective are discussed in this review. In the last two decades, information technology has led to the economic growth. This technology has developed a lot of sensors which are self-powered and help in the early detection of cancer cells. The objective of this work is to bring out the difficulties in the drug targeting and the challenges that are faced in the nano systems growth.
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