Fig. 8From: Colorimetric bacteria sensing of Pseudomonas aeruginosa using gold nanoparticle probesA Sensitivity determining of the gold NP probes hybridization with P. aeruginosa DNA using different concentrations of bacterial genomic DNA. 1, before hybridization; 2, 100 ng/μL; 3, 50 ng/μL; 4, 10 ng/μL; 5, 5 ng/μL; 6, 1 ng/μL; 7, 0.5 ng/μL; 8, 0.1 ng/μL; 9, 0.01 ng/μL. B The gold nanoparticles’ color changed by increasing DNA concentrationsBack to article page