Reeve et al. [11] prepared various PLA stereo copolymers from
mixtures of (D)- and (L)-lactide. The resulting materials exposed to
a fungal protease showed a degradation rate dependent by the (L)
repeat unit content. In a more recent paper [12], the same authors
have showed as the film crystalline order, the chain stereochemical
composition, and the repeating unit sequence distribution affected
interactions between PLA films and proteinase K.