Glossary
Properties and applications of astatine in nuclear medicine

Specific activity; activité spécifique

Ratio of the activity of a radioactive substance per unit mass.

Capture électronique (CE); electron capture (EC)

Process during which the nucleus of a radioactive atom absorbs an electron from its valence shell. This is accompanied by the conversion of a proton in the nucleus into a neutron, followed by the emission of γ, X or Auger electrons.

Brachytherapy; curietherapy

A radiotherapy technique in which a sealed radioactive source is placed directly in contact with the cancerous tumor to be treated. After a specific time, determined by the characteristics of the tumor and the patient, the radioactive source is removed.

Reactive oxygen species (ROS); reactive oxygen derivatives (DRO)

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