Fig. 3From: Remote-controllable bone-targeted delivery of estradiol for the treatment of ovariectomy-induced osteoporosis in ratsMagnetic properties of NPs. TEM images (a) of PEG-PLGA-AL@E2 NPs, PEG-PLGA@Fe3O4/E2 NPs and PEG-PLGA-AL@Fe3O4/E2 NPs. MFM images (b) and magnetic hysteresis curves (c) of PEG-PLGA-AL@Fe3O4 NPs and PEG-PLGA-AL@Fe3O4/E2 NPsBack to article page