DNAzyme-aptamer electrochemical biosensor for Pb(II) and Hg(II) determination: robust validation in food matrices and water samples
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A dual-recognition electrochemical biosensing platform was developed for the sensitive and selective determination of trace Pb(II) and Hg(II) in food and water matrices. The design integrates a Pb(II)-responsive DNAzyme and an Hg(II)-responsive aptamer on a gr... ...
