Figure 2: (2A)- lomustine loaded chitosan-HMP nanoparticles (A3), (2B)-lomustine loaded chitosan-TPP nanoparticles (A4), (2C)-lomustine loaded PEG coated chitosan-HMP nanoparticles (A9), (2D)-lomustine loaded PEG coated chitosan-TPP nanoparticles (A10).