Gadolinium chelates are commonly used to improve tissue contrast in MRI. Until recently the use of gadolinium was thought to be risk-free compared with alternative contrast agents. Recent studies ...

In this model, green gadolinium is surrounded by blue chelate ions, themselves surrounded by water (gray oxygen and red hydrogen atoms).

A group of scientists from IOCB Prague, led by Dr. Miloslav Polášek, have created compounds that are up to a million times ...