an increasing trendp = 0.005
1A , there was a significant increase in body weight in the Mix exposure group between 6 weeks and 10 ( p < 0.001), The organ coefficient of mouse lung tissue showed an increasing trend in the PS-NPs exposure group at week 4 ( p = 0.005); meanwhile, the mixed exposure group only showed a slight increase at week 8 ( p = 0.01).