Release date: 2009-08-19 US development of bio-nanoelectronic devices
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In the latest issue of the Proceedings of the National Academy of Sciences, US researchers reported that they have developed a nano-electronic device incorporating biological components using lipid-film nanowires. This bio-nanoelectronic device not only improves the performance of diagnostic tools, Moreover, the level of nerve repair technology can be improved.
Modern communication devices rely on electric fields and currents to transmit information, while biological systems use membrane receptors to control signal transmission, which can be much faster than the world's most powerful computers. For example, converting sound waves into nerve impulses is a very complicated process, but the human ear can do this effortlessly. Combining biological systems with electronic devices will undoubtedly help improve the performance of electronic devices such as computers. Based on this, the researchers turned their attention to the lipid film. Lipid membranes are ubiquitous in cells and form a stable, self-healing barrier. This barrier is difficult to penetrate for ions and small molecules; it can also hold a variety of proteins that allow them to recognize, transport and signal in cells.
The researchers said that they used a two-layer lipid film to wrap the nanowires to form a protective barrier on the outer layers of the nanowires, allowing the lipid membrane to effectively bind to the nanowires. Using this bio-nanoelectronic device, researchers can monitor the transmission of specific information and control membrane proteins, thereby enabling the intervention of biological components to improve the performance and efficiency of electronic circuits. Shanghai Medical Device Industry Association
US development of bio-nanoelectronic devices