In this paper, nano technology, nano sensor, nano devices, bionics of nano technology are discussed. The significance of the topic includes its contribution to biology and medicine as well as to engineering and technology. Cell may be the best object to be researched. Cell membrane may be the key of such a study. By means of simulating the structure and function of a cell's membrane, a molecular network model of nanofactory are suggested. Methodologies for realizing such models are presented. Among them, nano fabrication biotechnology, chemical method and nano integration are illustrated. Nano fabrication in a broad sense will be preferable to others. At last, a diagram showing the perspectives of the new technologies including measuring and control of psychological state, establishing platform for monitoring a single cell, constructing nano robot and nanofactory etc. was depicted.
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