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<p>The growing demand for high-specific-activity <sup>177</sup>Lu necessitates efficient Yb/Lu separation. This study synthesized and characterized novel phosphorus-containing levextrel resins. HEH(EHP)-based resin achieved over 99% Lu adsorption under low acidity with a separation factor (<i>SF</i><sub><i>Yb/Lu</i></sub>) exceeding 3, while HDEHP-based resin showed faster kinetics. Using the optimized HDEHP/HEH(EHP)-XAD-7 resin, a three-cycle process yielded 94.98% Lu recovery, and a secondary separation achieved 83.37% Yb removal. These findings demonstrate the resin’s high efficacy for producing high-purity <sup>177</sup>Lu.</p> Graphical abstract <p></p>

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Preparation of phosphorus-containing levextrel resin for efficient separation of Lutetium/Ytterbium

  • 期刊论文

  • 发表日期：

    2025年11月11日

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  • Mingbo Ji,
  • Jiexian He,
  • Dacan Yang,
  • Yiqun Cui,
  • Wenxue Zhang,
  • Xiaolong Liu,
  • Fuqiu Ma,
  • Haining Feng,
  • Guixiang Wang

摘要

The growing demand for high-specific-activity 177Lu necessitates efficient Yb/Lu separation. This study synthesized and characterized novel phosphorus-containing levextrel resins. HEH(EHP)-based resin achieved over 99% Lu adsorption under low acidity with a separation factor (SFYb/Lu) exceeding 3, while HDEHP-based resin showed faster kinetics. Using the optimized HDEHP/HEH(EHP)-XAD-7 resin, a three-cycle process yielded 94.98% Lu recovery, and a secondary separation achieved 83.37% Yb removal. These findings demonstrate the resin’s high efficacy for producing high-purity 177Lu.

Graphical abstract