Fig. 3
From: The role of microplastics as vectors of antibiotic contaminants via a molecular simulation approach

(A) The structure of Amoxicillin, Tetracycline, and Ciprofloxacin. (B) The structure of polypropylene and aged polypropylene, polystyrene, and aged polystyrene. (C) The initial snapshot of the simulation boxes for tetracycline drug, (a) polypropylene with tetracycline pollutant molecules; (b) aged polypropylene with tetracycline pollutant molecules; (c) polystyrene with tetracycline pollutant molecules; (d) aged polystyrene with tetracycline pollutant molecules.