A U.S. Patent Application for a “Chromatography Medium” was published by Puridify on September 12th, 2019. The present invention is a chromatography medium comprising one or more electrospun polymer nanofibres wherein the electrospun cellulose nanofibers are fused together at points where the nanofibers intersect one another, and which in use form a stationary phase comprising a plurality of pores through which a mobile phase can permeate, and wherein the chromatography medium has affinity chromatography protein ligand surface functionality interactive with target molecules. Learn More