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In vitro storage experiments of single-cell encapsulation carriers. (A) The number of remaining viable bacteria in each group after 7 days of storage at −20 °C. (B) The number of remaining viable bacteria in each group after 7 days of storage at 4 °C. (C) The number of remaining viable bacteria in each group after 7 days of storage at 25 °C. * p < 0.05, ** p < 0.01, *** p < 0.001.
