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MTT viability assays of cells with different treatments of free EM and RADA16-I-EM in situ hydrogels for 24 and 72 h. [RADA16-I] = 5 mg/mL, #p<.05, *p<.01, all values are expressed as the mean ± SD. RADA: self-assembling peptide RADA16-I; EM: emodin.
