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• Developed from the concepts of Richard Feyman. Nanotechnology is the science of arranging matter at the atomic level. • Base unit of this science is the nanometer, which is approximately 2 to 5 atoms across Nanotechnology is the engineering of tiny machines, with nanomedicine being one of its applications. It is used for the prevention and treatment of diseases in the human body. Nanotechnology will allow us to economically create a extensive range of complex molecular machines (as well as, molecular computers). It will let us build an amount of computer controlled molecular tools much that are smaller than a human cell but built with the accuracy and precision of drug molecules. For the first time, these tools will permit medicine to intervene in a advanced and controlled way at the cellular and molecular level. They could remove obstructions in the circulatory system, kill cancer cells, or take over the function of sub cellular organelles. Just as today we have the artificial heart, so in the future we could have the artificial mitochondrion. Nanotechnology will offer us new instruments to examine tissue in extraordinary detail. Sensors smaller than a cell would give us an inside and a precise look at constant functions. Tissue that was either chemically fixed or flash frozen could be analyzed literally down to the molecular level, giving a completely detailed "snapshot" of cellular, sub cellular and molecular activities. |