Positron Emission of Carbon-11
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11C → 11B + e+ + νe
ภาพรวม
Carbon-11 undergoes positron emission to become boron-11 with a short half-life of 20.4 minutes. C-11 can be incorporated into virtually any organic molecule for PET imaging because carbon is present in all organic compounds. Its short half-life limits use to facilities with on-site cyclotrons.
ผู้เข้าร่วม
ตัวอย่างในชีวิตประจำวัน
C-11 labeled methionine PET scans help distinguish brain tumor recurrence from radiation necrosis after cancer treatment.
ความสำคัญทางอุตสาหกรรม
C-11 PET tracers are used in neurological research, oncology, and cardiology. Cyclotron production requires specialized radiopharmacy facilities.
คุณสมบัติ
- ประเภท
- Nuclear
- ย้อนกลับได้
- ไม่
- พลังงาน
- คายความร้อน
- ΔH
- -96000000.0 kJ/mol