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This is a In Vitro Study study (also classified as: Observational).

August 19, 2025Food FrontiersOpen Access

Novel Cu:ZnS Quantum Dots‐Sodium Alginate Composite Fluorescent Hydrogel for Simultaneous Visual Detection and Efficient Removal of Pb(II)

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Composite hydrogel demonstrates efficient lead removal in beverages, highlighting a novel detection method.

The composite fluorescent hydrogel achieved over 99.62% removal efficiency for Pb(II).
Fluorescence quenching allowed visual detection of Pb(II) in concentrations ranging from 0.1 to 60 mg/kg.
Automated cyclic operation facilitated the fully integrated detection and removal of lead from samples.
The approach showcases benefits including high efficiency, non-toxicity, and convenience for monitoring heavy metal contamination.

Lan et al. (2025) studied this question.

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