3D bioprinting of nanoparticle-laden hydrogel scaffolds with enhanced antibacterial and imaging properties.

Consistent with the compressive test, the elastic moduli measurements obtained from indentation showed a decreasing trend in the moduli by increasing the dose of SPIONs in the bioink, ranging from 143.8 ± 24.5 kPa (no SPIONs) to 100.8 ± 20.2 kPa (100 μg/mL SPIONs) ( Figure 3 D).

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