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Generation of CMC–ALG microcapsules via microfluidic electrospray technology. (A–C) Bright-field microscopic images of the CMC–ALG core–shell microcapsules with different voltages. Scale bar represents 200 μm. (D–F) Diameter distribution of microparticles under different voltages. (A) 6 kv, (B) 7 kv, and (C) 8 kv.
