Christine E Schmidt, Leah Gajecki, Melissa A Deri, Vanessa A Sanders
{"title":"Current State of <sup>44</sup>Ti/<sup>44</sup>Sc Radionuclide Generator Systems and Separation Chemistry.","authors":"Christine E Schmidt, Leah Gajecki, Melissa A Deri, Vanessa A Sanders","doi":"10.2174/1874471016666221111154424","DOIUrl":null,"url":null,"abstract":"<p><p>In recent years, there has been an increased interest in <sup>44</sup>Ti/<sup>44</sup>Sc generators as an onsite source of <sup>44</sup>Sc for medical applications without needing a proximal cyclotron. The relatively short half-life (3.97 hours) and high positron branching ratio (94.3%) of <sup>44</sup>Sc make it a viable candidate for positron emission tomography (PET) imaging. This review discusses current <sup>44</sup>Ti/<sup>44</sup>Sc generator designs, focusing on their chemistry, drawbacks, post-elution processing, and relevant preclinical studies of the <sup>44</sup>Sc for potential PET radiopharmaceuticals.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":"16 2","pages":"95-106"},"PeriodicalIF":1.5000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10375575/pdf/","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current radiopharmaceuticals","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.2174/1874471016666221111154424","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHARMACOLOGY & PHARMACY","Score":null,"Total":0}
引用次数: 2
Abstract
In recent years, there has been an increased interest in 44Ti/44Sc generators as an onsite source of 44Sc for medical applications without needing a proximal cyclotron. The relatively short half-life (3.97 hours) and high positron branching ratio (94.3%) of 44Sc make it a viable candidate for positron emission tomography (PET) imaging. This review discusses current 44Ti/44Sc generator designs, focusing on their chemistry, drawbacks, post-elution processing, and relevant preclinical studies of the 44Sc for potential PET radiopharmaceuticals.