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BSA is released from AC5 and AC10 in 5 days. (A) Representative confocal laser scanning microscopy images of AC5 (left) and AC10 (right) hydrogels loaded with BSA-FITC protein acquired after 24 h in phosphate buffered saline (PBS). Scale bar: 100 μm. (B) Quantification of BSA content in PBS supernatant collected from hydrogels at different incubation times. Data are represented as cumulative percentage release relative to the initial loading dose ± SD (n = 3).
