Brown chemists create cancer-detecting nanoparticles
(Brown University) A team led by a Brown University chemist has created the smallest iron oxide nanoparticles to date for cancer detection by magnetic resonance imaging. The magnetic nanoparticles operate like tiny guided missiles, seeking and attaching themselves to malignant tumor cells. Once they bind, the particles emit stronger signals that MRI scans can detect.
In a sharp turnaround, the Republican candidates has opened a 5-point lead on his Democratic rival and is seen as a stronger manager of the economy, according to a Reuters/Zogby poll.
AFP - Georgia's South Ossetia and Abkhazia regions planned rallies Thursday to ask Russia for recognition as independent states, two weeks after Russian troops occupied both provinces.