Northstar Medical Radioisotopes LLC won FDA approval for its Radiogenix system for radioisotope separation to produce the medical isotope technetium-99 (Tc-99m) with the company's non-uranium molybdenum-99 (Mo-99). Approval has followed partial development funding by the Department of Energy and represents the first domestic source of Mo-99 in more than 25 years, which is hoped to alleviate supply disruptions, reliance on foreign supply, and environmental and nuclear concerns.