Biomedical Engineering Online

Commonly Used Radionuclides in Nuclear Medicine

Carbon 11

• Half-life: 20.38 minutes
• Production: Cyclotron
• Chemical form: 3-N-methylspiperone

Flourine 18

• Half-life: 109.77 minutes
• Production: Cyclotron
• Chemical form: Flourodeoxyglucose

Phosphorus 31

• Half-life: 14.29 days
• Production: Reactor
• Chemical form: Phosphates

Chromium 51

• Half-life: 27.704 days
• Production: Reactor
• Chemical form: Sodium chromate

Cobalt 57

• Half-life: 270.9 days
• Production: Cyclotron
• Chemical form: Cyanocobalamin

Gallium 67

• Half-life: 78.26
• Production: Cyclotron
• Chemical form: Citrate complex

Molybdenum 99

• Half-life: 66.0 hours
• Production: Reactor
• Chemical form: Molybdate in column

Technetium 99m

• Half-life: 6.02 hours
• Production: Generator
• Chemical form:TcO4 and complexes

Indium 111

• Half-life: 2.83 days
• Production: Cyclotron
• Chemical form: DTPA and oxine

Iodine 123

• Half-life: 13.2 hours
• Production: Cyclotron
• Chemical form: Mainly iodine

Indium 111

• Half-life: 60.14 days
• Production:Reactor
• Chemical form: Diverse proteins

Iodine 131

• Half-life: 8.04 days
• Production: Reactor
• Chemical form: Diverse compounds

Xenon 133

• Half-life: 5.245 days
• Production: Reactor
• Chemical form: Gas

Thalium 201

• Half-life: 3.044 days
• Production: Cyclotron
• Chemical form: Thallous chloride

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