Fig. 8.
Confocal laser microscopic images of E. coli cells with (A) CDs-1 and (B) CDs-2 (25.6 mg/mL) after incubation at 37 °C for 6 h: (a) Bright field and fluorescence mode at excitation wavelengths of (b) 365, (c) 475, and (d) 532 nm.
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