Nanoparticle-directed and ionically forced polyphosphate coacervation: a versatile and reversible core–shell system for drug delivery. - Müller, Werner E. G.; Tolba, Emad; Wang, Shunfeng; Neufurth, Meik; Lieberwirth, Ingo; Ackermann, Maximilian; Schröder, Heinz C.; Wang, Xiaohong (Scientific Reports, 2020)