Fig. 2From: A carrier-free supramolecular nano-twin-drug for overcoming irinotecan-resistance and enhancing efficacy against colorectal cancerMolecular simulations reveal the self-assembly mechanisms between Ir and Nir. (A) Molecular dynamics simulation of Ir and Nir over a 50 ns time scale. (B) Stacking manner of Ir and Nir in the assembled state. (C) Hydrogen bond interactions between Ir and Nir. (D) π-π stacking between Ir and NirBack to article page