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. 2019 Nov 8;7:296. doi: 10.3389/fbioe.2019.00296

Figure 4.

Figure 4

(A) Stereomicroscope micrographs of microparticle-loaded microneedle patches. (B) Scanning electron microscopy images of microneedle arrays. (C) 3D confocal reconstruction of a microneedle array. The FITC loaded tips are shown in green, while the sulphorhodamine B loaded PLGA μPs are in red.