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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Biomaterials. 2013 Mar 22;34(19):4643–4654. doi: 10.1016/j.biomaterials.2013.02.063

Figure 7.

Figure 7

a) MDA-MB-435 cell viability at different concentrations of free Ce6 and AuNCs@SiO2-Ce6 for 12 h at 37 °C with or without irradiation with a 671 nm laser (2 W/cm2). b-d) Calcein AM and ethidium homodimer-1 co-staining images of MDA-MB-435 cells incubated with AuNCs@SiO2-Ce6 at a concentration of 10 μM for 2 h at 37 °C prior to irradiation for 1 min with a 671 nm laser (2 W/cm2). b) MDA-MB-435 cells without irradiation. c) MDA-MB-435 cells with irradiation. d) MDA-MB-435 cells on the boundary of laser spot. The scale bar is 50 μm.