Open Access Articles- Top Results for Yttrium-90


Name, symbol Yttrium-90,90Y
Neutrons 51
Protons 39
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Yttrium-90, 90Y, is a medically significant isotope of yttrium.[1] Yttrium-90 has a wide and valuable use in radiation therapy to treat cancer.[2]


90Y undergoes β decay to zirconium-90 with a half-life of 64 hours and a decay energy of 2.28 MeV.[3] It also produces 0.01% 1.7 MeV[4] photons along the way. Interaction of the emitted electrons with matter can lead to Bremsstrahlung radiation.


Yttrium-90 is a decay product of strontium-90 which makes up about 5% of the nuclear daughter isotopes when uranium is fissioned.[5][not in citation given] Yttrium-90 is produced by chemical high-purity separation from strontium-90, a fission product of uranium in nuclear reactors.[6]

See also


  1. ^ Vincent T. DeVita; Theodore S. Lawrence; Steven A. Rosenberg; Robert A. Weinberg, Ronald A. DePinho (1 April 2008). DeVita, Hellman, and Rosenberg's cancer: principles & practice of oncology. Lippincott Williams & Wilkins. pp. 2507–. ISBN 978-0-7817-7207-5. Retrieved 9 June 2011. 
  2. ^ Arkadiy Kheyfits (October 2010). "Yttrium-90 Radioembolization". Radiology Today. Retrieved 2012-10-23. 
  3. ^ "Table of Isotopes decay data". The Lund/LBNL Nuclear Data Search. February 1999. Retrieved 2012-10-23. 
  4. ^ Rault, E.; Vandenberghe, S.; Staelens, S.; Lemahieu, I. (2009). Optimization of Yttrium-90 Bremsstrahlung Imaging with Monte Carlo Simulations. 4th European Conference of the International Federation for Medical and Biological Engineering 22. pp. 500–504. Retrieved 21 October 2013. 
  5. ^ "Strontium | Radiation Protection | US EPA". EPA. 24 April 2012. Retrieved 2012-10-23. 
  6. ^ "PNNL: Isotope Sciences Program - Yttrium-90 Production". PNNL date=February 2012. Retrieved 2012-10-23. 

External links

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