biotech
UV-light Controlled Nanomachines
Filed in archive Diagnostics, Methodologies and Instrumentation by ruth on July 9, 2007
UV-light Controlled Nanomachines
Nanomachines can be remotely controlled by light, according to physicists from University of California at Berkeley.

By shining ultraviolet laser light on tiny molecules of azobenzene adhered on a layer of gold, they could force the molecules to change shape at will. Potentially, the molecules could be incorporated into nanomachines in the form of remotely controlled switches, Pistons or other movable components.

Scientists have experimented with shape-shifting azobenzene in previous studies, but the molecules only responded properly when suspended in liquids or incorporated into plastics, neither of which makes a very good foundation for complex nanomachines.


Find more details from the full report.

[In Photo: Adding legs to molecules of azobenzene adhered to a gold surface allows them to change shape when illuminated with a UV laser. (Credit: M. J. Comstock et al. Physical Review Letters)]

Permalink: UV-light Controlled Nanomachines
Tags: nanomachines  biotech  light  controlled  2007  center+dubai  biotech+center  middle+east 
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