Fig. 8From: Novel Chemo-Photothermal Therapy in Breast Cancer Using Methotrexate-Loaded Folic Acid Conjugated Au@SiO2 NanoparticlesApoptosis assay using DAPI staining for MCF-7 or MDA-MB-231 cells, images captured using an inverted microscope. The untreated cells as the negative control (a), cells treated with laser (75 J/cm2) as positive control (b) cells treated with Au@SiO2 nanoparticles (NP (c), cells treated with laser (75 J/cm2) and Au@SiO2 nanoparticles (NP) (d), cells treated with MTX without laser irradiation (e), cells treated with MTX and laser irradiation (f), cells treated with MTX-FA-loaded Au@SiO2 nanoparticles (NPD) without laser exposure (g), and cells treated with MTX-FA-loaded Au@SiO2 nanoparticles (NPD) with Laser exposure (h)Back to article page