Scheme 1. Fabrication of the P. aeruginosa Functional Sensor; (A) Conjugation of the Peptide Substrate to the Magnetic Beads; (B) Sticking the Gold Plated Cellotape on the Paper Solid Support; (C) Self-Assembly of the Magnetic Beads Conjugated Peptides to the Sensor Surface; and (D) Application of the Test Sample and Color Change Observation.
