Editing Technetium (section)

===Particle accelerators===
The feasibility of technetium-99m production with the 22-MeV-proton bombardment of a molybdenum-100 target in medical cyclotrons following the reaction <sup>100</sup>Mo(p,2n)<sup>99m</sup>Tc was demonstrated in 1971.<ref>{{cite journal|last1=Beaver|first1=J. E.|last2=Hupf |first2=H. B. |title=Production of <sup>99m</sup>Tc on a Medical Cyclotron: a Feasibility Study|journal=Journal of Nuclear Medicine|date=November 1971 |volume=12|issue=11|pages=739–741 |pmid=5113635|url=http://jnm.snmjournals.org/content/12/11/739.full.pdf}}</ref> The recent shortages of medical technetium-99m reignited the interest in its production by proton bombardment of isotopically enriched (>99.5%) molybdenum-100 targets.<ref name="bbc-20150530">{{cite news |url=https://www.bbc.co.uk/news/magazine-32833599 |title=The element that can make bones glow |author=Laurence Knight |work=BBC News |date=30 May 2015 |access-date=30 May 2015}}</ref><ref>{{cite journal|display-authors=4|author=Guérin B|author2=Tremblay S|author3=Rodrigue S|author4=Rousseau JA |author5=Dumulon-Perreault V|author6=Lecomte R|author7=van Lier JE|author8=Zyuzin A|author9=van Lier EJ |name-list-style=vanc |title=Cyclotron production of <sup>99m</sup>Tc: an approach to the medical isotope crisis|journal=Journal of Nuclear Medicine |date=2010|volume=51|issue=4|pages=13N–6N|pmid=20351346 |url=http://jnm.snmjournals.org/content/51/4/13N.full.pdf}}</ref> Other techniques are being investigated for obtaining molybdenum-99 from molybdenum-100 via (n,2n) or (γ,n) reactions in particle accelerators.<ref>{{cite journal |last1=Scholten|first1=Bernhard|last2=Lambrecht|first2= Richard M.|last3=Cogneau |first3=Michel|last4= Vera Ruiz|first4=Hernan|last5=Qaim|first5=Syed M.|title=Excitation functions for the cyclotron production of <sup>99m</sup>Tc and <sup>99</sup>Mo|journal=Applied Radiation and Isotopes|date=25 May 1999|volume=51|issue=1 |pages=69–80|doi=10.1016/S0969-8043(98)00153-5|bibcode=1999AppRI..51...69S }}</ref><ref>{{cite journal |last1=Takács|first1=S.|last2=Szűcs|first2=Z. |last3=Tárkányi |first3=F. |last4=Hermanne|first4=A. |last5=Sonck|first5=M.|title=Evaluation of proton induced reactions on <sup>100</sup>Mo: New cross sections for production of <sup>99m</sup>Tc and <sup>99</sup>Mo |journal=Journal of Radioanalytical and Nuclear Chemistry|date=1 January 2003|volume=257|issue=1|pages=195–201|doi=10.1023/A:1024790520036|s2cid=93040978}}</ref><ref>{{cite journal|last1=Celler|first1=A.|last2=Hou|first2=X.|last3=Bénard|first3=F. |last4=Ruth |first4=T. |title=Theoretical modeling of yields for proton-induced reactions on natural and enriched molybdenum targets|journal=Physics in Medicine and Biology|date=2011|volume=56|issue=17|pages=5469–5484 |doi=10.1088/0031-9155/56/17/002|pmid=21813960|bibcode=2011PMB....56.5469C|s2cid=24231457 }}</ref>