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Fig. 6 | Nanoscale Research Letters

Fig. 6

From: Using Positively Charged Magnetic Nanoparticles to Capture Bacteria at Ultralow Concentration

Fig. 6

Capture efficiencies of E. coli by NP+ or NP− at various concentrations indicated. The left image is the photograph of LB-agar plates coated with E. coli captured by NP+ and NP−. The right image shows the bacterial capture efficiency of NP at different concentrations indicated. E. coli (2 × 102 CFU in 1 mL PBS solution) without NP incubation was counted as 100% and served as control. *P < 0.05, **P < 0.01, ***P < 0.001

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