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December 27th, 2007
Nanobioelectronics is a new, rapidly developing discipline, combining achievements of nanoelectronics and molecular biology. Science community has already developed theory and practical approaches to nanobioelectronics - DNA based nanocables, electronic sensors, storage devices and logical components. Basics of nanobioelectronics are processes of charge transport in biological macromolecules and applications of abovementioned molecules in building molecular structures of nanosize. Integration of nanoelectronic devices and such complex biological structures as cells throws a bridge between biotechnology and nanobioelectronics.
Size of biological materials, such as DNA (deoxyribonucleic acid), RNA (ribonucleic acid), proteins and biomembranes and etc, is comparable with sizes of nanotubes, nanoparticles and quantum dots. Combination of biomaterials with metal or semiconducting particles, fullerenes or carbon nanotubes results in a new class of materials for creating unique electronic or optical systems. Main trends of nanobioelectronics include creating hybrid biosensors, complex DNA-based nanoelectronic circuits, designing nanobiotransistors, diodes, nanoengines, nanotransporters and etc. Such devices require quantum-mechanical modeling and supercomputer calculations.
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