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Researchers from the Institute of Industrial Science at the University of Tokyo have designed linear nanomotors that can be made to move in controlled directions by laser light. The technology has applications in microfluidics, including lab-on-a-chip systems with optically actuated pumps and valves, and the researchers envision using the technology to develop a new platform for nano-size machinery with moving parts that follow predetermined paths while being propelled by unfocused light. The technology could ultimately reduce the cost and complexity of such devices while improving precision and reliability.
The system consists of linear motors made from gold nanorods that move directionally according to their orientation upon being…READ MORE