Figure 5
From: Confocal imaging of single BaTiO3 nanoparticles by two-photon photothermal microscopy
Effect of PLL coated BaTiO3 nanoparticles on the metabolic activity of HeLa cell as measured by MTT assay for various concentrations. Data is represented as mean ± standard error mean of three independent experiments. P < 0.05 is indicated with a*.
