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Rust
makes nanocapsules open by remote control
The polymers and iron oxide nanoparticles self-assemble into nanocapsules that can carry drugs. A magnetic field heats the nanoparticles and therefore the nanocapsules. At 40 degrees Celsius the nanocapsules contract, which squeezes out the contents within a few minutes.
The nanocapsules could be used to delivers drugs that are released by remote control.
Research paper:
Temperature-Sensitive Nanocapsules for Controlled Drug Release Caused by Magnetically Triggered Structural Disruption
Advanced Functional Materials, published online January 12, 2009
Researchers' homepages:
Department of Materials Science and Engineering, National Chiao Tung University
I-Wei Chen
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Back to TRN January 19/26, 2009
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