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December 18, 2007
Carbon nano-tubes used to attack bacteria and other bad shit
There are carbon nano-tube developments coming out of RPI these days at a breakneck pace. Amazing stuff.
...A team of Rensselaer researchers led by Ravi S. Kane, professor of chemical and biological engineering, has worked for nearly a year to develop a means to remotely deactivate protein-wrapped carbon nanotubes by exposing them to invisible and near-infrared light. The group demonstrated this method by successfully deactivating anthrax toxin and other proteins....
...Kane’s new method for selective nanotube-assisted protein deactivation could be used in defense, homeland security, and laboratory settings to destroy harmful toxins and pathogens. The method could also offer a new method for the targeted destruction of tumor cells. By conjugating carbon nanotubes with peptides engineered to seek out specific cancer cells, and then releasing those nanotubes into a patient, doctors may be able to use this remote protein deactivation technology as a powerful tool to prevent the spread of cancer.
Kane’s team also developed a thin, clear film made of carbon nanotubes that employs this technology. This self-cleaning film may be fashioned into a coating that — at the flip of a light switch — could help prevent the spread of harmful bacteria, toxins, and microbes...
I always recognized the engineering potential of nano-tubes, but this biomed aspect might ultimately have even more impact. The notion of self cleaning food prep surfaces and plates at the local ptomaine palace or in disease ridden 3rd world countries is compelling.