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Study of Technetium Sorption Behavior on Nanodiamonds Using 99,99m Tc Isotopes
Radiochemistry ( IF 0.9 ) Pub Date : 2020-12-28 , DOI: 10.1134/s1066362220060077
A. G. Kazakov , B. L. Garashchenko , R. Yu. Yakovlev , S. E. Vinokurov , B. F. Myasoedov

Abstract

Nanodiamonds (NDs) were investigated as potential carriers of 99mTc, which is widely used for the diagnosis of diseases in nuclear medicine. The sorption of 99Tc(VII), 99mTc(VII), and 99mTc(IV) by commercial NDs and their reduced, aminated, and oxidized forms was studied. The physicochemical parameters of the Langmuir and Freundlich isotherms for the sorption of 99Tc(VII) by the used ND samples were determined. The Sn(II): Tc(VII) ratio for the quantitative reduction of Tc to the oxidation state IV was optimized. It was shown that the initial (commercial) and oxidized NDs are promising carriers of 99mTc(IV) for nuclear medicine.



中文翻译:

用99,99m Tc同位素研究纳米金刚石对of的吸附行为

摘要

研究了纳米金刚石(NDs)作为99m Tc的潜在载体,它被广泛用于核医学疾病的诊断。研究了工业ND对99 Tc(VII),99m Tc(VII)和99m Tc(IV)的吸附及其还原,胺化和氧化形式。确定了用过的ND样品吸附99 Tc(VII)的Langmuir和Freundlich等温线的理化参数。优化了将Tc定量还原为氧化态IV的Sn(II):Tc(VII)的比例。结果表明,最初的(商业的)和氧化的NDs是有希望的核医学99m Tc(IV)的载体。

更新日期:2020-12-29
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