Several types of carriers are employed in targeted drug delivery systems:
1. Nanoparticles: These are often made from materials like gold, silver, or polymers. They can be engineered to carry drugs and target specific cells. 2. Liposomes: These are spherical vesicles composed of lipid bilayers and can encapsulate both hydrophilic and hydrophobic drugs. 3. Micelles: These are formed from amphiphilic molecules and are particularly useful for delivering hydrophobic drugs. 4. Monoclonal Antibodies: These are engineered antibodies that can bind to specific antigens present on the surface of target cells.
