Figure 1From: Spontaneous confocal Raman microscopy--a tool to study the uptake of nanoparticles and carbon nanotubes into cells Characterization and confocal fluorescence imaging of PLGA NPs in cells. (a) TEM morphology of PLGA NPs stabilized with PEI and (b)CLSM images of HepG2 cells after being co-cultured with PLGA NPsstabilized with PEI.Back to article page