That substance, known as a tracer, has been tagged with a tiny amount of short-lived radioactive material that emits positrons. It takes about an hour for the tracer to circulate throughout the body, ...

For the first time, researchers have succeeded in passing an antibody through the blood-brain barrier to act as a tracer for PET imaging of the brain. This resulted in more precise information being ...

University of Warwick researchers have built a new diamond-based magnetic field sensor that could be used to better find tumours through tracing magnetic fluid injected in the body. A cancer diagnosis ...