Surgery

Focused ultrasound technique gets quality assurance protocol

For the past several years, Washington University in St. Louis researchers have been using focused ultrasound combined with microbubbles to target an opening in the tough, protective blood-brain barrier to deliver drugs or ...

Medical research

Injecting iron supplement lets scientists track transplanted stem cells

A new, noninvasive technique for tracking stem cells after transplantation—developed by a cross-disciplinary team of radiologists, chemists, statisticians and materials scientists at the Stanford University School of Medicine—could ...