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. Author manuscript; available in PMC: 2016 Oct 8.
Published in final edited form as: J Mater Chem B. 2015 Oct 22;3(46):8939–8948. doi: 10.1039/C5TB01866H

Figure 6.

Figure 6

In vitro assessment of photothermal therapy mediated by FA-CuS NPs. KB cells that overexpress folate receptors were incubated with FA-CuS NPs, PEG-CuS NPs, or FA-CuS NPs plus FA for 2 h and washed. (a–d) No laser treatment. (e–h) NIR laser irradiation (808 nm, 1.5 W/cm2 for 2 min). Live cells were stained with calcein AM (green) and dead cells were stained with ethidium homodimer-1 (red).