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Heavy Metal Index

Enhanced Sensitivity and Accuracy of Tb3+-Functionalized Zirconium-Based Bimetallic MOF for Visual Detection of Malachite Green in Fish

This study made a ratiometric fluorescent probe from a zirconium-based metal-organic framework functionalized with terbium and used it, including with a smartphone readout, to detect the dye malachite green in fish. The analyte is malachite green; zirconium was not measured in fish.

Key numbers

  • This paper reports no numerical findings relevant to zirconium exposure.

Methods (brief)

Hydrothermal synthesis of the probe, fluorescence resonance energy transfer measurements, smartphone color analysis and spiked fish recovery tests.

Evidence fitness

Off-topic for dietary exposure. The paper uses zirconium as a sensing material for a dye residue; it does not support dietary exposure or toxicity claims for zirconium.

Limitations

No zirconium was measured in food, water, soil or human samples, so nothing in the paper describes exposure.

Update history

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