title: Specifically impermeable precipitate membranes formed through double diffusion in gels: behavior with complex forming and with simple systems.
mesh_terms: D000937:Antigen-Antibody Reactions; D005779:Immunodiffusion; D008433:Mathematics; D008566:Membranes; D010539:Permeability; D013501:Surface-Active Agents
chemical_list: D013501:Surface-Active Agents