Neoglycoconjugates are not only useful for the basic understanding of protein-carbohydrate interactions, but they have many practical applications as well. They are powerful reagents in many cell biology studies and excellent tools for the isolation and characterization of animal and plant lectins, separation of cells, as well as for the targeting of drugs, artificial vaccines, and diagnostic reagents. Volume 247 and its companion Volume 242 contain many practical methods on how to prepare and use neoglycoconjugates. Volume 242 deals with synthesis and 247 with biomedical applications.