Current State of 44Ti/44Sc Radionuclide Generator Systems and Separation Chemistry.

IF 1.5 4区 医学 Q3 PHARMACOLOGY & PHARMACY
Christine E Schmidt, Leah Gajecki, Melissa A Deri, Vanessa A Sanders
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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.

44Ti/44Sc 放射性核素发生器系统和分离化学的现状。
近年来,人们对 44Ti/44Sc 发生器的兴趣与日俱增,因为它是一种无需近端回旋加速器的现场 44Sc 医疗应用源。44Sc 相对较短的半衰期(3.97 小时)和较高的正电子支化率(94.3%)使其成为正电子发射断层扫描(PET)成像的可行候选物质。本综述讨论了目前的 44Ti/44Sc 发生器设计,重点是其化学性质、缺点、洗脱后处理以及 44Sc 用于潜在 PET 放射性药物的相关临床前研究。
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来源期刊
Current radiopharmaceuticals
Current radiopharmaceuticals PHARMACOLOGY & PHARMACY-
CiteScore
3.20
自引率
4.30%
发文量
43
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