Fig. 9
From: Customizing delivery nano-vehicles for precise brain tumor therapy
a Confocal images of an in vitro BBB model after incubation with represented for NPs size ranging from 25 to 100Â nm [63]; b combined chemo-immunotherapeutic nanoparticles (DOX@MSN-SS-iRGD&1MT) through MSNs-based drug delivery system [96]; c Mechanism of tracking drug delivery (Ru@Pen@PEG-AuNS) for AD therapy [97]; d Permeability coefficient of AgNPs and TiO2 NPs are both used [98]