It is unfortunate that technetium is radioactive, otherwise this method could be used in situations other than with steel in carefully sealed containers.

These radioactive drugs can be used for the diagnosis and ... The most widely used radioisotope in diagnostic nuclear medicine is technetium-99m. It can be attached to several specific molecules, ...

Radioactive Technetium-99m is used in medicine to image the skeleton and heart and has a six-hour half-life. If it is injected into a patient and considered to be safe in 10 half-lives ...

The truck was en route to a Macon hospital and was carrying Technetium-99M, which is a radioactive isotope that is used in medical imaging. But just before 7 a.m., the sheriff's office says the ...