N-Dodecyl-β-D-maltoside (Lauryl Maltoside) is a derivatives of pyrene (Py), and it is a alkyl maltopyranoside detergent, especially in transporters and respiratory complexes. N-Dodecyl-β-D-maltoside has also been employed in applications such as in the purification and stabilization of RNA polymerase and detection of protein-lipid interactions.