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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Nanomedicine. 2010 Nov 19;7(3):305–314. doi: 10.1016/j.nano.2010.11.003

Figure 5.

Figure 5

Fluorescent microscopy images of live and dead bacterial cells in presence of silver NPs, using green and red UV-visible filters, respectively. (A, B) 100 μg/mL Ag-SiO2 NPs + E. coli ATCC 25922; (C, D) 8.5 μg/mL Ag colloid NPs + E. coli ATCC 25922; (E, F) control having only E. coli ATCC 25922; (G, H) 100 μg/mL Ag-SiO2 NPs + E. coli O157:H7; (I, J) 8.5 μg/mL Ag colloid NPs + E. coli O157:H7; (K, L) control containing only E. coli O157:H7.