Figure 4
From: Core – shell upconversion nanoparticle – semiconductor heterostructures for photodynamic therapy
Cytotoxicity evaluation of CSNPs.
Cell viability of (a) 4T1 and (b) MDA-MB-231 breast cancer cells incubated with different concentration of CSNPs (10, 25 and 50 μg/mL) at different incubation times (16, 26 and 48 h) without 980 nm NIR light exposure.
