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Fig. 4 | Journal of Nanobiotechnology

Fig. 4

From: De novo design of a pH-triggered self-assembled β-hairpin nanopeptide with the dual biological functions for antibacterial and entrapment

Fig. 4

a The entrapment phenomenon caused by SAP. b Plots of colony forming units (CFU/mL) of the supernatant of E. coli ATCC 25,922 treated with 250 μg/mL SAP for 8 h in HEPES buffer at pH = 5.0, 6.0 and 7.0. c Plots of colony forming units (CFU/mL) of bacterial supernatant treated with different concentrations of SAP for 8 h in HEPES buffer at pH = 6.0. d Deltavision OMX SR fluorescence microscopic images analysis of E. coli strain BL21 consisting of PET-28a-EGFP plasmid treated with 250 μg/mL SAP or not. e Fluorescence microscopic images analysis of phagocytosis of E. coli (green) particles pretreated with 250 μg/mL SAP for 1 h by RAW 264.7 cells (DAPI, blue) or not

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