Fig. 8From: Cell membrane-camouflaged inorganic nanoparticles for cancer therapya Schematic representation of STM-SPIO preparation procedure. b Macrophage uptake of SPIO and STM-SPIO of three different concentrations. c Quantitative measurement of intracellular Fe level in the macrophages by using inductively coupled plasma mass spectrometry (ICP-MS). d Effect of alternating magnetic field (AMF) treatment on prostate cancer cells solutions. e The particle size of MSC membrane-camouflaged superparamagnetic iron oxide NPs incubated with water, 25% and 50% FBS-containing DMEM at 30Â min, 4Â h, and 24Â h, respectively. f Viability assay of prostate cancer cells. Reprinted with permission from Refs [82]Back to article page