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. Author manuscript; available in PMC: 2021 May 11.
Published in final edited form as: Inorg Chem. 2020 Mar 27;59(7):5116–5132. doi: 10.1021/acs.inorgchem.0c00372

Table 2.

Half-lives of Lanthanide Complexes of OxyMepa and Oxyaapa when Challenged with 100 Equivalents of DTPA ([LnL] = 100 μM, pH = 7.4 in 0.1 M MOPS, 22 °C).

Ln-OxyMepa Ln-Oxyaapa
La3+ < 10 sa 3.3 ± 0.2 h
Gd3+ 17 ± 1 s 44.8 ± 1.6 h
Lu3+ 161 ± 3 s ≈ 6 weeksa
a

The half-life is too short or too long to measure accurately.