Figure 3.
TEM image of the iron oxide core in GGC.
Notes: Magnification 75,000×. Reproduced from Shi D, Sun LL, Mi G, et al. Controlling ferrofluid permeability across the blood-brain barrier model. Nanotechnology. 2014; 25(7):075101. © IOP Publishing. Reproduced with permission. All rights reserved.21
Abbreviations: GGC, glycine, glutamine acid, and collagen; TEM, transmission electron microscopy.