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. 2024 Feb 29;15:1839. doi: 10.1038/s41467-024-46046-9

Fig. 8. Magnetic excitation extension design and functional demonstration of MagCaps.

Fig. 8

a Light-assisted capsule with additional wireless luminescence functionality: schematic diagram of function integration of targeted locomotion and luminescence (i), structural diagram of the capsule (ii) and magnetic field-induced LED lighting (iii). b Experimental demonstration of targeted locomotion driven by a low-frequency (< 1 Hz) magnetic field (generated by a permanent magnet D50 × L20 mm, N35) and luminescence supplying with ultra-high-frequency (35.7 kHz) magnetic field. c Structural diagram of a thermal-assisted capsule with additional wireless heating functionality (i) and heating process for varying magnetic nanoparticle content (ii). (n = 3). Source data are provided as a Source Data file. d Multifunctional demonstration of the magnetic-thermal capsule: targeted locomotion under a low-frequency (< 1 Hz) field generated by a magnet (i), drug release under a 30 Hz, 30 mT high-frequency field (ii), heating under an ultra-high-frequency (38.5 kHz) magnetic field (iii), locomotion away from the target region under a low-frequency (< 1 Hz) field (iv), and temperature of the capsule and the target region at different times (v-vi). Scale bar: 10 mm.