A nanotechnology-based drug delivery system developed at UVA Health to save patients from repeated surgeries has proved to have unexpectedly long-lasting benefits in lab tests—a promising sign for its potential to help human patients. A nanotechnology-based drug delivery system developed at UVA Health to save patients from repeated surgeries has proved to have unexpectedly long-lasting benefits in lab tests—a promising sign for its potential to help human patients. Bio & Medicine Nanomaterials Phys.org – latest science and technology news stories