chapter 1 Solid Lipid Nanoparticles-Concepts, Procedures, and Physicochemical Aspects -- chapter 2 Production of Lipospheres for Bioactive Compound Delivery -- chapter 3 Characterization of Solid Lipid Nano- and Microparticles -- chapter 4 Lipospheres as Delivery Systems for Peptides and Proteins -- chapter 5 Lipospheres for Vaccine Delivery -- chapter 6 Solid Lipid Nanoparticles: Interaction with Cells, Cytokine Production, and Enzymatic Degradation -- chapter 7 Delivery of Lipophilic Compounds with Lipid Nanoparticles-Applications in Dermatics and for Transdermal Therapy -- chapter 8 Cationic Lipospheres as Delivery Systems for Nucleic Acid Molecules.