What question did this study set out to answer?

The study aims to explore the removal of gadolinium ions from water and their replacement from MRI contrast agents.

April 1, 2026Nano SelectOpen Access

Removal of Gadolinium Ions Using Modified Sea Sand Substrate From Water Environment and Impact of Ions on Gadolinium Replacement From Contrast MRI Agent

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Experimental study demonstrates effective removal of gadolinium ions in water, suggesting a solution for reducing environmental impact.

The study aims to explore the removal of gadolinium ions from water and their replacement from MRI contrast agents.
Utilized modified sea sand with 3-aminopropyltriethoxysilane for gadolinium capture.
Conducted ICP-MS measurements to analyze gadolinium ion concentrations.
Tested various temperature and mixing durations for optimization.
Evaluated the influence of Fe 3+ and Cu 2+ on gadolinium displacement from Gadovist.
Achieved nearly 90%-100% removal of gadolinium ions from water under specified conditions.
Observed minimal release of gadolinium ions from Gadovist when treated with Fe 3+ and Cu 2+ ions.
Initial gadolinium ion concentration was 0.1 mg·L −1, with final readings down to 1 µg·L −1.

Prucek et al. (2026) studied this question.

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