Fig. 2: Magnetic hydrogel patches and their pH-dependent swelling behavior. | Communications Engineering

Fig. 2: Magnetic hydrogel patches and their pH-dependent swelling behavior.

From: Multi-contrast magnetic particle imaging for tomographic pH monitoring using stimuli-responsive hydrogels

Fig. 2: Magnetic hydrogel patches and their pH-dependent swelling behavior.

a Uniformly cured hydrogel patches with embedded Synomag magnetic nanoparticles in the dry state. b Magnetic hydrogel patches in different swollen states in pH 2, 4, 7, and 10. c Mean swelling ratio for magnetic hydrogel patches after 24 h in different pH solutions compared to the dry state. Error bars denote standard deviations with n = 6, statistical significance indicated with stars.

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