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(A) Cell viability under different oxygen conditions with the addition of PLGA-PEG/PFOB emulsion after 12 h of hypoxia treatment and 2 h of reoxygenation treatment and (B) cell viability at 1% oxygen concentration with the addition of different concentrations of PLGA-PEG/PFOB emulsion at different times of hypoxia treatment and 2 h of reoxygenation treatment.
Abbreviations: PLGA-PEG, poly(lactide-co-glycolide)-poly(ethylene glycol); PFOB, perfluorooctyl bromide.
