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A. Schematic of the syringe extruder set-up with heating tape. Inset shows samples of the extrudates; (1) PLGA/lysozyme, (2) PLGA/lysozyme/PEG6000, (3) PLGA/20kDaPEG-lysozyme. B. Top down view of syringe extruder. C. Front view of syringe extruder.
