Nuklida · radioaktif
Galium-68 (⁶⁸Ga)
Galium-68 (⁶⁸Ga) adalah isotop radioaktif galium dengan 31 proton dan 37 neutron (nomor massa 68). Waktu paruhnya 67,842 menit (± 0,016 menit), meluruh terutama lewat peluruhan beta plus (β⁺).
Data nuklida
- Unsur
- Galium (Ga, Z = 31)
- Nomor massa (A)
- 68
- Proton (Z)
- 31
- Neutron (N)
- 37
- Massa atom
- 67.927980161 ± 0.000001535 u
- Waktu paruh
- 67,842 menit (± 0,016 menit)
- Mode peluruhan
- Peluruhan beta plus (β⁺) ( 100 %)
- Inti anak
- Seng-68 (⁶⁸Zn)
- Tahun penemuan
- 1937
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Kegunaan isotop galium
- 68Ga (with a half-life of 68 min) is a radioactive isotope that emits positrons, which are used to produce high-resolution imaging with positron emission tomography (PET). Unlike 18F, which is most commonly used, 68Ga is more easily produced using a cost-effective generator with the parent radionuclide 68Ge (with a half-life of 271 days) (Fig. IUPAC.31.1). Once produced, 68Ga easily couples to biomolecules (most commonly peptides) that target G-protein coupled receptors, which are over-expressed on human tumor cells. The labeled protein acts as a radioactive tracer for cancer diagnostics. PET images are often coupled with CT images to get a more complete picture of the body,,,,,,. Radiopharmaceutical 67Ga (with a half-life of 78 h) is a gamma-emitting isotope used in scintigraphy for medical imaging,,.
Isotop galium lainnya
⁵⁶Ga, ⁵⁷Ga, ⁵⁸Ga, ⁵⁹Ga, ⁶⁰Ga, ⁶¹Ga, ⁶²Ga, ⁶³Ga, ⁶⁴Ga, ⁶⁵Ga, ⁶⁶Ga, ⁶⁷Ga, ⁶⁹Ga, ⁷⁰Ga, ⁷¹Ga, ⁷²Ga, ⁷³Ga, ⁷⁴Ga, ⁷⁵Ga, ⁷⁶Ga, ⁷⁷Ga, ⁷⁸Ga, ⁷⁹Ga, ⁸⁰Ga, ⁸¹Ga, ⁸²Ga, ⁸³Ga, ⁸⁴Ga, ⁸⁵Ga, ⁸⁶Ga, ⁸⁷Ga, ⁸⁸Ga