Literature DB >> 19013077

In-target produced [11C]methane: Increased specific radioactivity.

Jan Andersson1, Phong Truong, Christer Halldin.   

Abstract

The (14)N(rho, alpha)(11)C reaction on N(2)-O(2) or N(2)-H(2) gaseous systems as targets in proton bombardment allows for the production of [(11)C]CO(2) and [(11)C]CH(4.) We report the target production of [(11)C]CH(4) and the gas phase iodination to produce [(11)C]CH(3)I with high specific radioactivity (SA). SA was calculated for four different radiopharmaceuticals produced in-house from both target produced [(11)C]CO(2) and [(11)C]CH(4.) For [(11)C]raclopride we obtained an average SA of 3908 GBq/mumol (106000 Ci/mmol) at the end of bombardment for the last 52 productions, which is a 32-fold increase compared to when using the in-house [(11)C]CO(2) target.

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Year:  2008        PMID: 19013077     DOI: 10.1016/j.apradiso.2008.09.010

Source DB:  PubMed          Journal:  Appl Radiat Isot        ISSN: 0969-8043            Impact factor:   1.513


  17 in total

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