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. 2020 Feb 28;15:1349–1361. doi: 10.2147/IJN.S232190

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© 2020 Hou et al.

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Time-dependent cumulative release profiles of NAC by PA-Col/NAC and Col/NAC.

Notes: (A) Whole time of the cumulative release profile; (B) first 24 hours of the profile. The gray curve demonstrated that NAC has been released up to 35.75%±0.84% in 24 h and followed by sustained release up to 40.41%±0.49% in 14th day, while the red curve indicated that NAC has been released up to 54.53%±7.45% in 24 h and followed by sustained release up to 58.56%±8.77% in 14th day.