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.
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.
In addition, it houses a cyclotron and chemistry laboratories for the production of radiopharmaceuticals, molecular and cellular biology laboratories, associated physiology installations, positron cameras, high-resolution magnetic resonance imaging devices, and electroencephalographic mapping devices.