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The structure of both failed and intact alginate microbeads could be identified within the XPC refraction images with strong agreement with findings from histology. (a, c) Magnified regions of Masson's trichrome stains of Figure 4d and (b, d) corresponding regions of interest from XPC refraction image in Figure 4b of (a, b) failed (invaded) and (c, d) intact beads. Scale bar = 0.45 mm. Color images available online at www.liebertpub.com/tec
