Table 7. Viability of cells exposed to different concentrations of NAC or NAC-PLGA-NPs.

Concentration (μg ml−1)	NAC	NAC-loaded PLGA NPs
2	100.8 ± 2.4	97 ± 3.02
8	102.9 ± 2.7	104.2 ± 5.3
14	103.1 ± 3.3	103.8 ± 4.1
20	103.6 ± 2.9	109.2 ± 1.7
30	101 ± 3.4	108.9 ± 4.5
40	106 ± 5.9	113.4 ± 9.3
60	101.7 ± 6.8	112.2 ± 11.3
80	89 ± 2.4	115.8 ± 10.9
100	84.7 ± 6.7	107.9 ± 9.4