| Popis: |
This chapter provides an overview of surfactants and surface properties that play important roles in pharmaceutical formulations. Examples of ionic, nonionic, and zwitterionic surfactants are provided. Structures of different lipids and their applications as excipients or actives are discussed. A brief introduction to the HLB system is provided. Examples of drug products in the marketplace that use various surfactants and lipids are listed indicating the importance of surfactants and lipids in pharmaceutical formulations. Surface and interfacial tension measurement, and the significance of the role of surface tension and contact angle in designing the pharmaceutical formulations has been discussed. |
