gel PAGE Date from BAE: 6/2/2016 Polyacrylamide gel electrophoresis (PAGE), describes a technique to separate biological macromolecules, usually proteins or nucleic acids, according to their electrophoretic mobility. Mobility is a function of the length, conformation and charge of the molecule. Gels can be native or denaturing (urea for nucleic acids, SDS for proteins). A low-throughput method. PubChem AID: 449751