Researchers at the University of Montreal, Polytechnique Montréal and CHU Sainte-Justine have used magnetic nanoparticles to open the blood brain barrier and deliver chemical molecules directly into the brain. Although the technique has not yet been tested on humans, the research is important since 98% of modern-day therapeutics are unable to cross this barrier. The method could be used to help remove brain tumours in patients, without having to perform surgery, as well as more effectively treat certain neurological, neurodegenerative and psychiatric disorders…..
http://nanotechweb.org/cws/article/tech/60813