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(a) SEM cross-sectional micrograph views of agarose–alginate cryogel sheets, and (b) a magnified image demonstrating the uniform pore size distribution present within the sheet format (reproduced with permission from Tripathi, A. & Kumar, A. (2011). Multi-featured macroporous Agarose-alginate cryogel: Synthesis and characterization for bioengineering applications. Macromolecular Bioscience, 11, 22–35)
