The human brain does not have a standard blood supply like many other organs in the body. It is protected by something called the blood-brain barrier (BBB). The BBB protects our brain from chemicals, drugs, and other toxins. Because of this barrier, it can be difficult to deliver therapeutic drugs directly to the brain and treat diseases. However, bioconjugated quantum rods and targeted probes may change all that. This nanoparticle-based concept may allow doctors to send certain drugs through the BBB and even use nanoprobes to diagnose different brain disorders. View the abstract here. I'm constantly amazed when I see where nanotechnology is taking us in the medical field.