positron camera

positron camera

[′päz·ə‚trän ‚kam·rə]
(engineering)
An instrument that uses photomultiplier tubes in combination with scintillation counters to detect oppositely directed gamma-ray pairs resulting from the annihilation with electrons of positrons emitted by short-lived radioisotopes used as tracers in the human body.
References in periodicals archive ?
The scientists will rely on a positron camera - normally used in hospitals to trace the progress of a drug through a patient's bloodstream - to solve the problem baffling the food giants.
Dr David Parker, in charge of the three-year project, said: "We are the first university to use the positron camera outside of medical field.
To help, the university is buying a state-of-the-art positron camera, used in hospitals to track the progress of a drug through a patient's bloodstream.