Developed biosensor detects bioavailable Hg(ii) at 1.2 nM in various water types, suggesting a reliable alternative to traditional methods.
We developed a pyomelanin-powered biosensor for ultrasensitive Hg( ii ) detection in water. It achieves a 1.2 nM detection limit, works in tap, lake, and seawater without extraction, and offers a robust alternative to traditional methods.
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Tang et al. (2025) studied this question.
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