Crystallizing dishes, diffusion cells, reaction dishes and plates, combustion boats, sample containers, and pans are examples of containers known as special purpose dishes, which are designed for specific procedures or uses. They can be made of glass, ceramic, metal or plastics, depending on the application. Study and characterize antibody-antigen binding interactions with Thermo Scientific™ Pierce™ Immunodiffusion Plates, which are standard Ouchterlony gel plates containing patterns of six wells around one well.