It should go without saying that, when it comes to drugs -- legal or otherwise -- dose matters. Take too little and a drug can be ineffective; take too much and it can be lethal.
For years, researchers around the world have been working to build more targeted drug delivery systems that allow for more precise dosing tailored to a specific patient's specific needs. The hope is to avoid negative side effects (death among them) altogether.
Reporting in the journal ACS Nano, researchers led by Dr. Xinyan Tracy Cui at the University of Pittsburgh say their new approach allows them to electronically control the release of very specific amounts of drugs to certain parts of the body.… Read more