Mussel adhesive protein-based whole cell array biosensor for detection of organophosphorus compounds

► Novel whole cell array biosensor for efficient detection of neurotoxic organophosphate compounds. ► Mussel adhesive protein as an effective microbial cell-immobilizing linker. ► Recombinant Escherichia coli cells containing periplasmic-expressing organophosphorus hydrolase. ► Quantitative detection, high reproducibility, good long-term stability, and adequate reusability.