Fig. 2: Fabrication and characterization of Z@P-M MNs. | Nature Communications

Fig. 2: Fabrication and characterization of Z@P-M MNs.

From: Near-infrared light-driven nanomotors-based microneedles for the active therapy of bacterial infected acne

Fig. 2: Fabrication and characterization of Z@P-M MNs.The alternative text for this image may have been generated using AI.

a SEM images and EDS mapping of Z@P-M MNs (scale bar = 200 μm). n = 3 independent experiments. b Optical image of Z@P-M MNs (scale bar = 1 mm). c Mechanical properties of MNs patches with and without different concentrations of Z@P-M (ZnO2 concentration = 50 − 100 μg/mL) containing sodium hyaluronate concentration of 150 mg/mL. d TEM images of Z, Z@PAA, Z@P, and Z@P-M, and the corresponding EDS elemental mapping of Z@P-M (scale bar = 100 nm). n = 3 independent experiments. e Zeta potential of Z, Z@P, and Z@P-M. n = 3 independent experiments. f Diameter distribution of Z, Z@P, and Z@P-M. g XRD of Z, Z@P, and Z@P-M. JCPDS cards of ZnO2 (No. 13-0311) and MnO2 (No. 44-0141) were provided for comparison. h Mn 2p and O 1 s XPS spectra of Z@P-M. Data in (e) were presented as Mean ± SD. Source data are provided as a Source Data file.

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