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Target intelligence / Profile preview
Positron-Emission Tomography Imaging Agent (PET Imaging Agent)
- Target
- PET Imaging Agent
- Molecular classification
- Radiolabeled small molecule, Probe
01
Overview
A positron-emission tomography (PET) imaging agent is a molecule labeled with a positron-emitting radionuclide used to visualize and quantify biological processes in vivo. These agents target specific biological molecules, receptors, enzymes, or cellular transporters. Upon positron emission and annihilation, gamma photons are detected by a PET scanner to create three-dimensional images reflecting the tracer's distribution.
- Other names
- PET radiotracerRadiopharmaceutical
02
Mechanism of action
Binds target molecule, emits positrons, detected by scanner to visualize distribution.
03
Biological functions
In vivo imagingTargeted molecular detectionQuantification of biological processes
04
Disease associations
OncologyNeurologyCardiologyAlzheimer's DiseaseCoronary Artery Disease
05
Safety considerations
Radiation exposureBiodistribution and clearanceOff-target bindingPotential for allergic reactions
06
Biomarkers
Glucose metabolism (FDG)Amyloid plaques (PiB)Myocardial perfusion (Ammonia)
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