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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: Water-Soluble Fullerenol with Hydroxyl Group Dependence for Efficient Two-Photon Excited Photodynamic Inactivation of Infectious Microbes

Fig. 5

TEM images. a Showing bare bacteria without any treatment. Bacteria treated with material for b 3 h and d 3 days of incubation. e The photoexcited material-treated bacteria (3 h of incubation) with a TPE power of 211.2 nJ pixel−1 with 800 scans (approximately 3.2621 s of total effective exposure time; Ex, 760 nm). c Uptake assay of bacteria and material at 37 °C. f Viability (%) was quantified following the determined viable count of material-treated bacteria via CFU assay by short excitation with the same treatment. Delivered dose OD600 ~ 0.05 of E. coli and 3 μg mL−1 water-soluble fullerenol C60(OH)46. Data are means ± SD (n = 6)

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