Chemical-responsive ortho-vanillin functionalized PEG hydrogel as colorimetric sensor for biogenic amines detection in smart food packaging materials

M.Godoy Zúniga, E.Oh, T.Nguyen, R.Ding, Z.Duan, J.Nam, J.Suhr, “Chemical-responsive ortho-vanillin functionalized PEG hydrogel as colorimetric sensor for biogenic amines detection in smart food packaging materials”, Food Packaging and Shelf Life, 2026.01