| Human tissue types | MNPs types | MNPs content range | Ref |
|---|---|---|---|
| Blood | PET, PVC, PP, PMMA | 1.6 μg/mL | |
| Vitreous humor | PA66, PVC, PS | 0~15.7 μg/g | |
| Hairs | PP, PET, PS | 3.5 MPs/day | |
| Liver | PS, PVC, PET | 0~1.5 MPs/g | |
| Kidney | PS, PVC, PET | 0~0.3 MPs/g | |
| Spleen | PS, PVC, PET | 0.4~2.2 MPs/g | |
| Colon | PS, PVC, PET | 0~0.3 MPs/g | |
| Lung | PP, PET, PS | 0.56 MPs/g | |
| Placenta | PVC, PP, PBC | 0.29~9.55 MPs/g |
