Really inking skin

Skin grafts are a tedious, painful process for burn victims. Bioprinting is an exciting new field of research that is improving this procedure. Using a small sample of healthy skin, bioengineers can produce "inks" containing the patient's own stem cells. These inks are applied to the burned area to generate new, healthy tissue. Researchers at Wake Forest are beginning clinical trials using modified ink jet printers. A group at the University of Pittsburg has some impressive results using airbrush guns: