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Micrographs of microparticle‐loaded microneedle patches. (a) Standard patch, (b) fluorescent micrograph of standard patch loaded with fOVA‐loaded microparticles, (c) pedestal patch with sulforhodamine B added to the first PVA/sucrose cast, and (d) confocal image of individual pedestal microneedle containing microparticles loaded with fOVA. Scale = 250 μm
