Fecha de publicación: -- Fuente: WIPO "tomato" This disclosure provides compositions, systems and methods for adsorbing contaminants, e.g., in food containers, drug packaging and drug delivery devices, using polymers entrained with metal-organic frameworks (MOFs). Also provided are shaped forms of materials comprising MOFs, and related methods to provide the shaped forms. Such methods include extrusion, injection molding and 3D printing techniques, among others.