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Nanobiotechnology and Therapeutics
Abstract
Nanobiotechnology deals with the application of the tools and processes of nanotechnology to build devices for studying and manipulating biological systems. Current approaches of diagnosis and treatment of various diseases, especially cancer have major limitations such as poor sensitivity or specificity and drug toxicities respectively. Novel and improved methods of cancer detection based on nanoparticles are required to be developed. Some of the nanoparticles used for diagnostic purposes are paramagnetic nanoparticles, quantum dots, nanoshells and nanosomes. Drugs with high toxic potential like cancer chemotherapeutic drugs can be given with a better safety profile with the utility of nanotechnology. These can be made to act specifically at the target tissue by active as well as passive means. Simultaneously, other alternative ways of therapy such as heat induced killings of cancer cells by nanoshells and gene therapy are also being developed. Thus, it indicates that nanomedicine in future would play a crucial role in the treatment of human diseases.
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