Zongjie Ma

Engineering a Single-Plasmid Dual-Pigment Escherichia coli Biosensor for Simultaneous Colorimetric Detection of Pb(II) and Hg(II)

Abstract This work presents an engineered single-plasmid, dual-pigment whole-cell biosensor for simultaneous colorimetric detection of Pb(II) and Hg(II). To address the challenge of signal interference in cocontaminated environmental samples, a Pb(II)-responsive PbrR regulatory m...