Li, L.; Yuan, C.; Chen, D.; Ribbe, A. E.; Kittilstved, K. Thayumanavan, S. “Utilizing Reversible Interactions in Polymeric Nanoparticles to Generate Hollow Metal Organic Nanoparticles” Angew. Chem. Int. Ed. 2015, 54, 12991–12995. (DOI: 10.1002/anie.201505242)