chapter 1 Fundamentals of Drug Nanoparticles / chapter 2 Manufacturing of Nanoparticles by Milling and Homogenization Techniques / chapter 3 Supercritical Fluid Technology for Particle Engineering / chapter 4 Polymer or Protein Stabilized Nanoparticles from Emulsions / chapter 5 Physical Characterization of Nanoparticles / chapter 6 Nanoparticle Interface: An Important Determinant in Nanoparticle-Mediated Drug/Gene Delivery / chapter 7 Toxicological Characterization of Engineered Nanoparticles / chapter 8 Injectable Nanoparticles for Efficient Drug Delivery / chapter 9 Polymeric Nanoparticles for Oral Drug Delivery / chapter 10 Brain Delivery by Nanoparticles / chapter 11 Nanoparticles for Ocular Drug Delivery / chapter 12 DNA Nanoparticle Gene Delivery Systems / chapter 13 Nanotechnology and Nanoparticles: Clinical, Ethical, and Regulatory Issues